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Predict the density for the following refractory high entropy alloy. | Ti50Zr25Nb25 alloy prepared by arc melting in a Ti-gettered high-purity argon atmosphere, remelted more than eight times, followed by annealing and rolling | {"density(g/cm³)": "6.01"} |
Predict the density for the following refractory high entropy alloy. | Mo25.00Nb25.00V25.00Ta12.50Al12.50 alloy prepared by vacuum arc melting in a water-cooled copper hearth under an argon atmosphere using high-purity (99.99%) raw materials that were mechanically ground and ultrasonically cleaned in ethanol for 3 minutes. High-purity Ti was used as a degassing substance. Button ingots we... | {"density(g/cm³)": "8.76"} |
Predict the density for the following refractory high entropy alloy. | Ti15Zr20Hf10Nb13V18Mo12Ta12 alloy prepared by vacuum arc melting under an Ar atmosphere, flipped and remelted eight times to ensure homogeneity | {"density(g/cm³)": "8.69"} |
Predict the density for the following refractory high entropy alloy. | Hf18.18Nb18.18Ti18.18Zr18.18Al27.27 alloy prepared by copper mold suction casting in Ti-gettered high-purity argon atmosphere, repeatedly melted at least five times for homogeneity before suction casting | {"density(g/cm³)": "6.86"} |
Predict the density for the following refractory high entropy alloy. | Hf21.05Nb21.05Ti21.05Zr21.05Al15.79 alloy prepared by copper mold suction casting in Ti-gettered high-purity argon atmosphere, repeatedly melted at least five times for homogeneity before suction casting | {"density(g/cm³)": "7.14"} |
Predict the density for the following refractory high entropy alloy. | Ti17.39Zr17.39Hf17.39Nb17.39Ta17.39W13.04 alloy prepared by arc melting in a water-cooled copper crucible under a high-purity argon atmosphere, with each ingot remelted at least 7 times and kept in liquid state for about 3 minutes during each melting process to achieve uniform element distribution | {"density(g/cm³)": "11.20"} |
Predict the density for the following refractory high entropy alloy. | W8.89Mo22.22Nb24.44Ta22.22Ti22.22 alloy prepared by vacuum arc melting with ingots re-melted five times to improve chemical homogeneity | {"density(g/cm³)": "10.7"} |
Predict the density for the following refractory high entropy alloy. | Nb25.0Mo25.0Ta25.0W25.0 alloy prepared by vacuum arc melting of Nb, Mo, Ta, W raw materials (purity >99.95%) with 8 successive remelting cycles under argon atmosphere | {"density(g/cm³)": "13.643"} |
Predict the density for the following refractory high entropy alloy. | Nb30Zr25Ti25Al15V5 alloy prepared by arc melting in a highly pure and inert argon atmosphere with 40 homogenization cycles (flipping and remelting) to incorporate all elements, then cast into a water-cooled copper die | {"density(g/cm³)": "6.13"} |
Predict the density for the following refractory high entropy alloy. | Al20Cr20Nb25Ti25Zr10 alloy prepared by vacuum arc melting | {"density(g/cm³)": "5.89"} |
Predict the density for the following refractory high entropy alloy. | Al21.9Nb32.0Ta9.0Ti26.7Zr10.4 alloy prepared by vacuum arc melting nominal mixtures of elements, remelted five times, flipped for each melt, in liquid state for 5 min per melt. Hot isostatically pressed at 1400°C and 207 MPa for 2 h, annealed at 1400°C for 24 h in flowing argon. | {"density(g/cm³)": "6.88"} |
Predict the density for the following refractory high entropy alloy. | Nb21.05Mo21.05Ta21.05W21.05Ti15.79 alloy prepared by laser powder bed fusion using a 200W fiber laser with parameters: laser power 200W, scanning speed 400mm/s, layer thickness 30μm, hatch spacing 0.10mm, laser focus diameter 60μm, in high purity argon environment (O < 300ppm) | {"density(g/cm³)": "12.1"} |
Predict the density for the following refractory high entropy alloy. | Ti36.36Zr18.18Hf9.09V18.18Nb9.09Al9.09 alloy prepared by vacuum arc melting under a Ti-gettered argon atmosphere on a water-cooled copper crucible. Raw metals of Ti, Zr, V, Nb, Al with purity of 99.95 wt% and Hf with purity of 99.5 wt% were used. The ingots were flipped and remelted at least seven times to assure chemi... | {"density(g/cm³)": "6.35"} |
Predict the density for the following refractory high entropy alloy. | Al25Ti25Nb25V25 alloy prepared by vacuum arc melting with 99.9 wt% pure metals, remelted five times, cast into water-cooled copper cavity, then annealed at 700°C for 1h followed by water quenching | {"density(g/cm³)": "5.52"} |
Predict the density for the following refractory high entropy alloy. | Al20.4Mo10.5Nb22.4Ta10.1Ti17.8Zr18.9 alloy prepared by vacuum arc melting nominal mixtures of elements, remelted five times, flipped for each melt, in liquid state for 5 min per melt. Hot isostatically pressed at 1400°C and 207 MPa for 2 h, annealed at 1400°C for 24 h in flowing argon. | {"density(g/cm³)": "7.40"} |
Predict the density for the following refractory high entropy alloy. | Mo11.11Nb22.22Ti11.11V11.11Zr11.11Al22.22 alloy prepared by vacuum arc melting of pure elements (>99.9 wt%) in water-cooled copper crucible under Ar atmosphere, flipped and remelted 6 times, followed by annealing at 1500°C for 6h | {"density(g/cm³)": "6.43"} |
Predict the density for the following refractory high entropy alloy. | Ti20Nb20Zr20Mo20V20 alloy prepared by mixing high purity metal powder (99.9% purity, 10 micron particle size) homogeneously and hot pressing sintering at 30 MPa for 4 h at 1300°C in high purity argon environment | {"density(g/cm³)": "6.8476"} |
Predict the density for the following refractory high entropy alloy. | Ti50Nb19.5V20Al10Si0.5 alloy prepared by vacuum melting furnace using 99.95% purity raw materials under Ti-gettered argon atmosphere. Intermediate alloys were prepared separately and merged. Button ingots remelted six times then drop-cast into copper molds. Cast samples cold rolled (80% reduction) and annealed at 1000℃... | {"density(g/cm³)": "5.427"} |
Predict the density for the following refractory high entropy alloy. | Cr25Nb25V25Mo25 alloy prepared by high-energy ball milling at 200 rpm for 12 h under argon atmosphere followed by spark plasma sintering at 1200°C | {"density(g/cm³)": "8.03"} |
Predict the density for the following refractory high entropy alloy. | Ti40.88Zr17.84Nb28.58V8.41Mo4.30 alloy prepared by arc melting in a Ti-gettered high-purity argon atmosphere, remelted more than eight times, followed by annealing and rolling | {"density(g/cm³)": "6.05"} |
Predict the density for the following refractory high entropy alloy. | Nb20Ti20Al20Ta20V20 alloy prepared by mixing high purity metal powder (99.9% purity, 10 micron particle size) homogeneously and hot pressing sintering at 30 MPa for 4 h at 1300°C in high purity argon environment | {"density(g/cm³)": "7.4459"} |
Predict the density for the following refractory high entropy alloy. | V16.67Nb16.67Zr33.33Ti33.33 alloy prepared by arc melting using pure metals of V, Nb, Zr, and Ti (>99.95 wt%) with re-melting at least 5 times inside a water-cooled copper cavity, followed by homogenization at 1150°C for 24 h in an argon-filled quartz tube. | {"density(g/cm³)": "6.10"} |
Predict the density for the following refractory high entropy alloy. | Ti26.32Zr26.32Nb13.16Hf13.16V13.16Al7.89 alloy prepared by vacuum arc melting in a high-purity argon atmosphere with a vacuum degree of 3 × 10−3 Pa, using mechanical and molecular pumps to prevent oxidation. The high-purity elements (≥99.9%) were cleaned using ultrasonic waves in anhydrous ethanol for 20 min to remove ... | {"density(g/cm³)": "6.86"} |
Predict the density for the following refractory high entropy alloy. | Hf16.67Nb16.67Ta16.67Ti16.67V16.67Zr16.67 alloy prepared by vacuum arc melting under argon atmosphere in a water-cooled copper hearth. Elemental metal powders with purity higher than 99.5 wt. pct were mixed uniformly in a polystyrene ball mixing jar for around 15 minutes and then pressed in a uniaxial die (12.7 mm inne... | {"density(g/cm³)": "9.36"} |
Predict the density for the following refractory high entropy alloy. | Ti19.62Zr23.58Ta14.17Nb20.25Mo22.38 alloy prepared by vacuum arc melting under argon atmosphere with purity ≥99.999%, melting current ~300A, flipped and remelted 5 times, annealed at 1000°C for 6h followed by water cooling | {"density(g/cm³)": "8.68"} |
Predict the density for the following refractory high entropy alloy. | Al18Cr28Nb18Ti18V18 alloy prepared by vacuum arc melting in low-pressure argon atmosphere with 5 re-melts, followed by homogenization annealing at 1200°C for 24h in vacuum-sealed quartz tubes | {"density(g/cm³)": "5.90"} |
Predict the density for the following refractory high entropy alloy. | Ti33.33V16.67Nb16.67Mo16.67Zr16.67 alloy prepared by vacuum arc melting using high-purity raw elements (>99.95 wt%), remelted and flipped at least six times to ensure homogeneous distribution of elements | {"density(g/cm³)": "6.75"} |
Predict the density for the following refractory high entropy alloy. | Nb25Mo25Ta25W25 alloy prepared by laser powder bed fusion using a 200W fiber laser with parameters: laser power 200W, scanning speed 400mm/s, layer thickness 30μm, hatch spacing 0.10mm, laser focus diameter 60μm, in high purity argon environment (O < 300ppm) | {"density(g/cm³)": "13.6"} |
Predict the density for the following refractory high entropy alloy. | Ti50Nb20V20Al10 alloy prepared by vacuum melting furnace using 99.95% purity raw materials under Ti-gettered argon atmosphere. Intermediate alloys were prepared separately and merged. Button ingots remelted six times then drop-cast into copper molds. Cast samples cold rolled (80% reduction) and annealed at 1000℃ for 24... | {"density(g/cm³)": "5.457"} |
Predict the density for the following refractory high entropy alloy. | Ti16.67Zr16.67Hf16.67Nb16.67Ta16.67W16.67 alloy prepared by arc melting in a water-cooled copper crucible under a high-purity argon atmosphere, with each ingot remelted at least 7 times and kept in liquid state for about 3 minutes during each melting process to achieve uniform element distribution | {"density(g/cm³)": "11.52"} |
Predict the density for the following refractory high entropy alloy. | Ti28.57Nb28.57Ta14.29Zr28.57 alloy prepared by powder metallurgy using elemental powders (purity >99.5%) blended for 10h under argon, cold isostatic pressed at 200MPa, sintered at 1300°C for 16h in vacuum (1×10⁻³ Pa), then hot deformed at 800°C with strain rate 0.001s⁻¹ | {"density(g/cm³)": "7.6"} |
Predict the density for the following refractory high entropy alloy. | Ti21.35Zr22.68Ta17.41Nb18.52Mo20.04 alloy prepared by vacuum arc melting under argon atmosphere with purity ≥99.999%, melting current ~300A, flipped and remelted 5 times, annealed at 1000°C for 6h followed by water cooling | {"density(g/cm³)": "9.16"} |
Predict the density for the following refractory high entropy alloy. | Nb30Mo25Ti25Al15V5 alloy prepared by arc melting in a highly pure and inert argon atmosphere with 40 homogenization cycles (flipping and remelting) to incorporate all elements, then cast into a water-cooled copper die | {"density(g/cm³)": "7.06"} |
Predict the density for the following refractory high entropy alloy. | Nb42Mo20Ti13Cr12V12Ta1 alloy prepared by high-energy ball milling elemental powders at 200 rpm for 12 h with a ball-to-powder ratio of 10:1 in argon atmosphere, followed by spark plasma sintering at 1200°C for 5 min under 50 MPa pressure | {"density(g/cm³)": "8.02"} |
Predict the density for the following refractory high entropy alloy. | Cr32.22Ta32.22Ti32.22Al3.70 alloy prepared by vacuum arc-melting technology using high-purity metals (≥99.9 wt%) of Al, Cr, Ta, Ti in a high-purity argon atmosphere | {"density(g/cm³)": "9.384"} |
Predict the density for the following refractory high entropy alloy. | Nb39Ti23Al15Zr10Hf5Ta5Mo2W1 alloy prepared by vacuum melting in a Ti-gettered argon atmosphere. Intermediate alloys were prepared separately, blended, and remelted six times. | {"density(g/cm³)": "7.44"} |
Predict the density for the following refractory high entropy alloy. | W20Mo20V20Cr20Ta20 alloy prepared by mechanical alloying of elemental powders for 64 hours in argon atmosphere with ball to powder ratio of 10:1 at 250 RPM, followed by cold isostatic pressing at 276 MPa and vacuum arc melting in high purity argon atmosphere with 5 remelts, then heat treated at 900°C for 48 hours | {"density(g/cm³)": "11.52"} |
Predict the density for the following refractory high entropy alloy. | Al11.7Cr19.6Nb20.2Ti39.5V9.0 alloy prepared by arc melting of high-purity (≥99.9 at%) elements in an argon atmosphere inside a water-cooled copper cavity. The produced ingot with dimensions of 6×12×40 mm³ was re-melted 5 times. The cast alloy was annealed at 1200 °C for 24 h in vacuum and cooled down on air. | {"density(g/cm³)": "5.76"} |
Predict the density for the following refractory high entropy alloy. | Ti40.33Zr40.39Nb9.52Ta4.75Mo5.01 alloy prepared by vacuum arc melting with Ti, Zr, Nb, Ta, and Mo blocks (purity >99.95 wt%) in specific atomic ratios, re-melted 5 times for homogeneity, and cast into a water-cooled copper mold (10 × 10 × 45 mm). | {"density(g/cm³)": "6.56"} |
Predict the density for the following refractory high entropy alloy. | Al14.29Nb8.94Ti35.71V35.71Zr5.36 alloy prepared by vacuum arc melting in a water-cooled copper crucible, repeated eight times with magnetic agitation for homogenization | {"density(g/cm³)": "5.36"} |
Predict the density for the following refractory high entropy alloy. | Al11.12Cr22.22Nb22.22Ti22.22V22.22 alloy prepared by vacuum arc melting in a high-purity argon atmosphere with 99.9 wt% pure raw materials, melted at least five times in a water-cooled copper hearth. | {"density(g/cm³)": "6.08"} |
Predict the density for the following refractory high entropy alloy. | Al24.4Nb12.2Ti36.6V24.4Zr2.4 alloy prepared by mechanical milling of elemental powders for 12h at 350rpm with 10:1 ball-to-powder ratio, followed by vacuum hot pressing at 1250°C for 2h under 40MPa pressure | {"density(g/cm³)": "5.02"} |
Predict the density for the following refractory high entropy alloy. | Ti38.10Zr19.05Hf9.52V19.05Nb14.29 alloy prepared by vacuum arc melting in a Ti-gettered argon atmosphere using pure elements of Ti, Zr, V, Nb and Hf (99.95 wt%). Approximately 35 g of alloy ingots was remelted seven times for homogeneity. | {"density(g/cm³)": "6.77"} |
Predict the density for the following refractory high entropy alloy. | Ti33.33Zr16.67Nb16.67Mo16.66V16.67 alloy prepared by vacuum arc melting using Ti, Zr, Nb, Mo, and V raw materials with >99.99 wt% purity. The vacuum chamber was evacuated to 3 × 10−4 Pa and then flushed with Ar gas to 0.05 MPa to prevent oxidation of the alloys during the melting process. The evacuation and flushing st... | {"density(g/cm³)": "6.69"} |
Predict the density for the following refractory high entropy alloy. | Al8.33Nb16.67Ti16.67V33.33Zr25.00 alloy prepared by arc melting in water-cooled copper cavity under low-pressure high-purity argon atmosphere, re-melted 5 times | {"density(g/cm³)": "6.17"} |
Predict the density for the following refractory high entropy alloy. | Ti40V20Zr20Nb10Al10 alloy prepared by vacuum arc melting in a water-cooled copper crucible in an argon atmosphere using high-purity (99.9 at% or better) elemental metals | {"density(g/cm³)": "5.44"} |
Predict the density for the following refractory high entropy alloy. | Ti42.51Zr42.54Nb9.97Ta4.98 alloy prepared by vacuum arc melting with Ti, Zr, Nb, Ta, and Mo blocks (purity >99.95 wt%) in specific atomic ratios, re-melted 5 times for homogeneity, and cast into a water-cooled copper mold (10 × 10 × 45 mm). | {"density(g/cm³)": "6.56"} |
Predict the density for the following refractory high entropy alloy. | Ti20V20Zr20Nb20Hf20 alloy prepared by arc melting technique using high-purity elemental metals (Ti, V, Zr, Nb and Hf) with a minimum purity of 99.8%. The chamber was evacuated and refilled with high-purity Ar gas (99.99%) several times, and the high-purity Ti getter was melted beforehand to eliminate residual oxygen in... | {"density(g/cm³)": "8.69"} |
Predict the density for the following refractory high entropy alloy. | Al7.9Hf12.8Nb23.0Ta16.8Ti18.9Zr20.7 alloy prepared by vacuum arc melting nominal mixtures of elements, remelted five times, flipped for each melt, in liquid state for 5 min per melt. Hot isostatically pressed at 1200°C and 207 MPa for 2 h, annealed at 1200°C for 24 h in flowing argon. | {"density(g/cm³)": "9.05"} |
Predict the density for the following refractory high entropy alloy. | Ti23.26Zr23.26Nb23.26V23.26Mo6.97 alloy prepared by arc-melting pure metals (>99 wt.%) in a water-cooled copper hearth under Ti-gettered argon, flipped/remelted five times, then drop-cast into a 3mm diameter copper mold | {"density(g/cm³)": "6.69"} |
Predict the density for the following refractory high entropy alloy. | Ta20Nb20V20Ti20Al20 alloy prepared by mixing raw powders (purity > 99.5 wt.%), ball-milling (stainless steel ball-to-powder ratio 10:1, 150 rpm, 8 h), and sintering via spark plasma sintering (SPS) at 1700 °C under 30 MPa pressure with 10 min holding time and 100 °C/min heating rate in argon atmosphere. | {"density(g/cm³)": "7.89"} |
Predict the density for the following refractory high entropy alloy. | Ti25.00Zr25.00Nb12.50Hf12.50V12.50Al12.50 alloy prepared by vacuum arc melting in a high-purity argon atmosphere with a vacuum degree of 3 × 10−3 Pa, using mechanical and molecular pumps to prevent oxidation. The high-purity elements (≥99.9%) were cleaned using ultrasonic waves in anhydrous ethanol for 20 min to remove... | {"density(g/cm³)": "6.63"} |
Predict the density for the following refractory high entropy alloy. | Nb16.67Mo16.67Ta16.67W16.67V16.67Cr16.67 alloy prepared by mechanically alloying equiatomic Nb, Mo, Ta, W, V, and Cr powders, followed by spark plasma sintering at 1500°C for 10 min under 30 MPa pressure in vacuum. | {"density(g/cm³)": "11.16"} |
Predict the density for the following refractory high entropy alloy. | Al9.90Mo9.90Nb19.80Ti24.75V9.90Zr25.74 alloy prepared by vacuum arc melting of pure metals (≥99.99%) under argon atmosphere, melted 10 times for 3-5 minutes each at 380-400A current | {"density(g/cm³)": "6.479"} |
Predict the density for the following refractory high entropy alloy. | Al20Nb40Ti20V20 alloy prepared by arc melting mixtures of pure metals (>99.9 wt%) in a high-purity argon atmosphere using the same arc melter and similar procedures as described previously. | {"density(g/cm³)": "6.19"} |
Predict the density for the following refractory high entropy alloy. | Ti20.00Zr20.00Nb20.00Mo20.00V20.00 alloy prepared by vacuum arc melting using Ti, Zr, Nb, Mo, and V raw materials with >99.99 wt% purity. The vacuum chamber was evacuated to 3 × 10−4 Pa and then flushed with Ar gas to 0.05 MPa to prevent oxidation of the alloys during the melting process. The evacuation and flushing st... | {"density(g/cm³)": "7.13"} |
Predict the density for the following refractory high entropy alloy. | Hf20.0Mo0.0Nb20.0Ta20.0Ti20.0Zr20.0 alloy prepared by vacuum arc melting in a water-cooled copper crucible under argon atmosphere. All raw elemental materials had purities higher than 99.9 wt%. A melting procedure was repeated at least five times to improve the chemical homogeneity of alloys. | {"density(g/cm³)": "9.91"} |
Predict the density for the following refractory high entropy alloy. | Ti35.71Nb17.86Zr17.86Hf17.86V10.71 alloy prepared by arc-melting method under high-purity argon environment with a vacuum degree of 3 × 10−3 Pa, re-melted more than six times for chemical uniformity | {"density(g/cm³)": "7.59"} |
Predict the density for the following refractory high entropy alloy. | Hf22.22Nb22.22Ti22.22Zr22.22Al11.11 alloy prepared by copper mold suction casting in Ti-gettered high-purity argon atmosphere, repeatedly melted at least five times for homogeneity before suction casting | {"density(g/cm³)": "7.71"} |
Predict the density for the following refractory high entropy alloy. | Ti35Al15V20Nb20Mo10 alloy prepared by vacuum arc melting in a water-cooled copper crucible with commercial purity (99.9%) Ti, Al, V, Nb, and Mo. Each alloy was re-melted 5 times to ensure compositional homogeneity. | {"density(g/cm³)": "6.027"} |
Predict the density for the following refractory high entropy alloy. | Mo22.22Nb22.22V22.22Ta11.11Cr22.22 alloy prepared by mechanical alloying (MA) for 60 h at 350 rpm under Ar gas protection, followed by spark plasma sintering (SPS) at 1700 ℃ with a heating rate of 100 ℃/min and axial pressure of 40 MPa for 10 min. | {"density(g/cm³)": "9.04"} |
Predict the density for the following refractory high entropy alloy. | Hf5Mo15Nb35Ta25Ti20 alloy prepared by directed energy deposition (DED) using DMG MORI AG Lasertech65 3D hybrid equipment under controlled argon atmosphere with oxygen level below 10 ppm, with manual mixing of elemental powders under argon. | {"density(g/cm³)": "10.33"} |
Predict the density for the following refractory high entropy alloy. | Ti46.15Zr23.08Nb15.38V15.38 alloy prepared by nonconsumable vacuum arc melting in a water-cooled copper crucible under a Ti-gettered argon atmosphere, repeatedly melted at least eight times with flipping after each melting, and maintained a liquid state for a total time of more than 40 min | {"density(g/cm³)": "5.84"} |
Predict the density for the following refractory high entropy alloy. | Al9.09Nb11.36Ti22.73V45.46Zr11.36 alloy prepared by vacuum arc melting in a water-cooled copper crucible under a Ti-gettered argon atmosphere, with repeated re-melting at least five times and magnetic agitation for homogeneity | {"density(g/cm³)": "5.80"} |
Predict the density for the following refractory high entropy alloy. | Cr24.9Nb22.6Ta5.9Ti24.6Zr22.0 alloy prepared by vacuum arc-melting under a titanium getter argon atmosphere, melted four times in a water-cooled copper crucible. The as-cast samples were annealed under vacuum at 1000 ℃ for 20 h. | {"density(g/cm³)": "7.25"} |
Predict the density for the following refractory high entropy alloy. | Nb20Ta20Mo20W20Ti20 alloy prepared by non-consumable vacuum arc melting method with elements of 99.9 wt% purity, mixed in equal atomic ratio, melted at least five times under high purity argon atmosphere, followed by annealing at 1000°C for 10 h under argon | {"density(g/cm³)": "11.98"} |
Predict the density for the following refractory high entropy alloy. | W23Mo23V17Cr8Ta7Fe22 alloy prepared by mechanical alloying using hardened steel vials and milling balls with 10:1 ball-to-powder ratio at 250 RPM for 48 hours, followed by cold isostatic pressing at 276 MPa and four re-melts in vacuum arc furnace under argon atmosphere | {"density(g/cm³)": "12.54"} |
Predict the density for the following refractory high entropy alloy. | Al19.23Nb19.23Ti19.23V38.46Si3.85 alloy prepared by vacuum arc melting under argon atmosphere, melted at least 5 times to ensure complete melting and uniform composition | {"density(g/cm³)": "5.456"} |
Predict the density for the following refractory high entropy alloy. | Al20Cr20Nb20V20Mo20 alloy prepared by high-energy ball milling at 200 rpm for 12 h under argon atmosphere followed by spark plasma sintering at 1200°C | {"density(g/cm³)": "7.05"} |
Predict the density for the following refractory high entropy alloy. | Nb16.67Mo16.67Ta16.67W16.67V16.67Cr16.67 alloy prepared by mechanically alloying equiatomic Nb, Mo, Ta, W, V, and Cr powders, followed by spark plasma sintering at 1400°C for 10 min under 30 MPa pressure in vacuum. | {"density(g/cm³)": "11.23"} |
Predict the density for the following refractory high entropy alloy. | Al0Nb12.5Ti25V50Zr12.5 alloy prepared by vacuum arc melting in a water-cooled copper crucible under a Ti-gettered argon atmosphere, with repeated re-melting at least five times and magnetic agitation for homogeneity | {"density(g/cm³)": "6.12"} |
Predict the density for the following refractory high entropy alloy. | Mo22.22Nb22.22V22.22Ta11.11Cr22.22 alloy prepared by mechanical alloying (MA) for 60 h at 350 rpm under Ar gas protection, followed by spark plasma sintering (SPS) at 1600 ℃ with a heating rate of 100 ℃/min and axial pressure of 40 MPa for 10 min. | {"density(g/cm³)": "9.06"} |
Predict the density for the following refractory high entropy alloy. | Al20Nb20Ti20V40 alloy prepared by vacuum arc melting under argon atmosphere, melted at least 5 times to ensure complete melting and uniform composition | {"density(g/cm³)": "5.612"} |
Predict the density for the following refractory high entropy alloy. | Nb20Mo20Ta20W20V20 alloy prepared by mechanical alloying of elemental powders (Nb, Mo, Ta, W, V) for 40 h, followed by spark plasma sintering at 1500 °C for 10 min under 30 MPa pressure and vacuum pressure <8 Pa. | {"density(g/cm³)": "11.6"} |
Predict the density for the following refractory high entropy alloy. | Ti35Zr5Hf20Nb23V3Mo11Ta3 alloy prepared by vacuum arc melting under an Ar atmosphere, flipped and remelted eight times to ensure homogeneity | {"density(g/cm³)": "8.54"} |
Predict the density for the following refractory high entropy alloy. | Al22.2Nb11.1Ti33.3V22.2Zr11.1 alloy prepared by mechanical milling of elemental powders for 12h at 350rpm with 10:1 ball-to-powder ratio, followed by vacuum hot pressing at 1250°C for 2h under 40MPa pressure | {"density(g/cm³)": "5.21"} |
Predict the density for the following refractory high entropy alloy. | Hf20Mo20Ta20Ti20Zr20 alloy prepared by vacuum arc melting in an argon atmosphere using raw materials with purities >99.9 wt.%. Melted at least 5 times for homogeneity. | {"density(g/cm³)": "10.24"} |
Predict the density for the following refractory high entropy alloy. | Al18.87Nb18.87Ti18.87V37.74Si5.66 alloy prepared by vacuum arc melting under argon atmosphere, melted at least 5 times to ensure complete melting and uniform composition | {"density(g/cm³)": "5.383"} |
Predict the density for the following refractory high entropy alloy. | Nb38Ti35Al16V6Cr4Ta0.5Hf0.5Mo0.5W0.5 alloy prepared by vacuum arc melting under an argon atmosphere with 99.9 wt% purity metals. Intermediate alloys Nb-Hf-Mo-Ta-W and Ti-Al-V-Cr were separately prepared and amalgamated to form button ingots. | {"density(g/cm³)": "6.3"} |
Predict the density for the following refractory high entropy alloy. | Mo14.29Nb28.57Ti14.29V14.29Zr14.29 alloy prepared by vacuum arc melting of pure elements (>99.9 wt%) in water-cooled copper crucible under Ar atmosphere, flipped and remelted 6 times, followed by annealing at 1500°C for 6h | {"density(g/cm³)": "7.43"} |
Predict the density for the following refractory high entropy alloy. | Nb22.22Mo22.22Ta22.22W22.22Ti11.11 alloy prepared by laser powder bed fusion using a 200W fiber laser with parameters: laser power 200W, scanning speed 400mm/s, layer thickness 30μm, hatch spacing 0.10mm, laser focus diameter 60μm, in high purity argon environment (O < 300ppm) | {"density(g/cm³)": "12.5"} |
Predict the density for the following refractory high entropy alloy. | Ta20Mo20Nb20Cr20Ti20 alloy prepared by mechanical alloying at 350 rpm for 50 hours in argon environment, followed by spark plasma sintering at 1200 ℃ under 40 MPa axial pressure for 10 minutes | {"density(g/cm³)": "9.307"} |
Predict the density for the following refractory high entropy alloy. | Hf16.67Mo16.67Nb16.67Ta16.67Ti16.67Zr16.67 alloy prepared by vacuum arc melting in a water-cooled copper crucible under argon atmosphere. All raw elemental materials had purities higher than 99.9 wt%. A melting procedure was repeated at least five times to improve the chemical homogeneity of alloys. | {"density(g/cm³)": "9.97"} |
Predict the density for the following refractory high entropy alloy. | Al11.24Mo11.24Nb22.47Ti28.09V11.24Zr15.73 alloy prepared by vacuum arc melting of pure metals (≥99.99%) under argon atmosphere, melted 10 times for 3-5 minutes each at 380-400A current | {"density(g/cm³)": "6.455"} |
Predict the density for the following refractory high entropy alloy. | Nb42Ti25Al15Zr5Hf5Ta5Mo2W1 alloy prepared by vacuum melting in a Ti-gettered argon atmosphere. Intermediate alloys were prepared separately, blended, and remelted six times. | {"density(g/cm³)": "7.51"} |
Predict the density for the following refractory high entropy alloy. | Al5.7Nb23.5Ta17.6Ti27.2Zr26.0 alloy prepared by vacuum arc melting nominal mixtures of elements, remelted five times, flipped for each melt, in liquid state for 5 min per melt. Hot isostatically pressed at 1200°C and 207 MPa for 2 h, annealed at 1200°C for 24 h in flowing argon. | {"density(g/cm³)": "8.18"} |
Predict the density for the following refractory high entropy alloy. | Ti42.11Zr21.05Hf10.53V21.05Nb5.26 alloy prepared by vacuum arc melting in a Ti-gettered argon atmosphere using pure elements of Ti, Zr, V, Nb and Hf (99.95 wt%). Approximately 35 g of alloy ingots was remelted seven times for homogeneity. | {"density(g/cm³)": "6.57"} |
Predict the density for the following refractory high entropy alloy. | Ti25Zr25Hf25Nb25 alloy prepared by arc-melting in water-cooled copper crucible under a Ti-gettered high-purity argon atmosphere, overturned and re-melted at least five times, cast into a water-cooled copper mold, cold-rolled by an 80% reduction in thickness, and annealed at 1000°C for 30 min followed by water quenching | {"density(g/cm³)": "7.114"} |
Predict the density for the following refractory high entropy alloy. | Al2.4Cr24.4Nb24.4V24.4Mo24.4 alloy prepared by high energy ball milling for 12 hours with a milling speed of 200 RPM and ball to powder ratio of 10:1, followed by spark plasma sintering at 1200 C under 50 MPa pressure with a heating rate of 100 C/min from 600 C to 1200 C and holding for 5 minutes | {"density(g/cm³)": "7.96"} |
Predict the density for the following refractory high entropy alloy. | W20Mo42Ta14Nb19Ni2.5Ti2.5 alloy prepared by selective electron beam melting with 60 kV working voltage, 18 mA scanning current, and scanning rates from 0.3-1.3 m/s on a Mo substrate preheated to 1100°C in 10^-1 Pa vacuum | {"density(g/cm³)": "12.56"} |
Predict the density for the following refractory high entropy alloy. | Nb31.25Mo31.25Ta31.25W6.25 alloy prepared by vacuum arc melting of Nb, Mo, Ta, W raw materials (purity >99.95%) with 8 successive remelting cycles under argon atmosphere | {"density(g/cm³)": "12.423"} |
Predict the density for the following refractory high entropy alloy. | Ti28.57V14.29Nb14.29Mo14.29Zr28.57 alloy prepared by vacuum arc melting using high-purity raw elements (>99.95 wt%), remelted and flipped at least six times to ensure homogeneous distribution of elements | {"density(g/cm³)": "6.71"} |
Predict the density for the following refractory high entropy alloy. | Al22.22Cr11.11Nb22.22Ti22.22V22.22 alloy prepared by vacuum arc melting in low-pressure argon atmosphere with 5 re-melts, followed by homogenization annealing at 1200°C for 24h in vacuum-sealed quartz tubes | {"density(g/cm³)": "5.71"} |
Predict the density for the following refractory high entropy alloy. | Al8.33Cr16.67Nb16.67Ti16.67V16.67Zr16.67 alloy prepared by arc melting of the elements in a low-pressure, high-purity argon atmosphere inside a water-cooled copper cavity, followed by annealing at 1200 °C for 24 h | {"density(g/cm³)": "6.39"} |
Predict the density for the following refractory high entropy alloy. | Nb25Ta25Mo25W25 alloy prepared by non-consumable vacuum arc melting method with elements of 99.9 wt% purity, mixed in equal atomic ratio, melted at least five times under high purity argon atmosphere | {"density(g/cm³)": "13.63"} |
Predict the density for the following refractory high entropy alloy. | Al40Ti20Nb20V20 alloy prepared by vacuum arc melting with 99.9 wt% pure metals, remelted five times, cast into water-cooled copper cavity, then annealed at 800°C for 1h followed by water quenching | {"density(g/cm³)": "4.74"} |
Predict the density for the following refractory high entropy alloy. | W5Ta25Ti34V35C1 alloy prepared by vacuum arc melting under a Ti-gettered, high-purity argon atmosphere. W-Ta and Ti-V-WC middle-alloys were firstly prepared by 4 melting times respectively. The middle-alloys were then merged to fabricate ingot, which was flipped and remelted 12 times, and maintained a liquid state for ... | {"density(g/cm³)": "9.068"} |
Predict the density for the following refractory high entropy alloy. | Nb23.53Mo23.53Ta23.53W23.53Ti5.88 alloy prepared by laser powder bed fusion using a 200W fiber laser with parameters: laser power 200W, scanning speed 400mm/s, layer thickness 30μm, hatch spacing 0.10mm, laser focus diameter 60μm, in high purity argon environment (O < 300ppm) | {"density(g/cm³)": "13.0"} |
Predict the density for the following refractory high entropy alloy. | Al20.4Mo10.5Nb22.4Ta10.1Ti17.8Zr18.8 alloy prepared by vacuum arc melting with five re-melts, hot isostatically pressed at 1673 K/207 MPa for 2 h, then annealed at 1673 K for 24 h in argon | {"density(g/cm³)": "7.40"} |
Predict the density for the following refractory high entropy alloy. | Ti18.18Zr18.18Hf18.18Nb18.18Ta18.18W9.09 alloy prepared by arc melting in a water-cooled copper crucible under a high-purity argon atmosphere, with each ingot remelted at least 7 times and kept in liquid state for about 3 minutes during each melting process to achieve uniform element distribution | {"density(g/cm³)": "10.79"} |
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Dataset Card for RHEA-mechanical-property
Dataset Description
This dataset is specifically curated for training and evaluating Large Language Models (LLMs) on Refractory High Entropy Alloys (RHEAs) property prediction (regression) and phase classification tasks. It contains text-based instructions combining alloy compositions and processing descriptions to predict mechanical properties and microstructural phases.
- Repository: tianchuang/RHEA-mechanical-property
- Associated Model: tianchuang/Qwen-3-8B-RHEA-property-predictor
Dataset Structure
The dataset is split into training and validation sets, both provided in standard jsonl (JSON Lines) format:
train_data-all.jsonl: Used for model full fine-tuning.val_data-all.jsonl: Used for model validation and checkpoint evaluation.
Data Fields
Each sample in the dataset contains a dictionary with the following fields:
instruction(string): The system prompt or task definition indicating the specific target property or phase classification type.input(string): The specific input feature text consisting of the alloy's chemical composition and its processing description.output(string): The ground truth target answer (numerical values for regression tasks, or textual labels/categories for classification tasks).
Task Types & Prompt Templates
The dataset supports two primary types of material science tasks:
1. Property Prediction Task (Regression)
- Instruction Template: > "You are a materials science expert. Predict the {property name} for the following refractory high entropy alloy."
- Supported Property Names: *
densityhardnesscompressive yield strength at room temperaturecompressive strain at room temperaturecompressive yield strength at 1073Kcompressive yield strength at 1273K
2. Phase Classification Task (Binary Classification)
- Instruction Template:
"You are a materials science expert. Determine whether the given refractory high entropy alloy has {single solution phase/intermetallic phase}."
Input Format
For all tasks, the input field is formatted as:
"{composition} alloy prepared by {process description text}"
Data Examples
Here is an example representing a Property Prediction entry:
{
"instruction": "You are a materials science expert. Predict the compressive yield strength at room temperature for the following refractory high entropy alloy.",
"input": "Nb18.75Mo11.25Ta3.75W26.25Ti20Ni20 alloy prepared by laser powder bed fusion with power 350 W, layer thickness 50 μm, scanning speed 350 mm/s, scan spacing 40 μm, and argon protective gas",
"output": "{\"compressive_yield_strength_at_room_temperature(MPa)\": \"2513.08\"}"
}
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