Assertion: periclase | /r/HasProperty | crystals of spinel
Facets:
Source sentences:
text: A refractory material in accordance with the present invention is a melted, re-solidified and particulated mixture of chrome ore and magnesia consisting essentially of by analysis 15 to 25 percent Cr O 45 to 75 percent MgO; 4 to 20 percent A1 0 3.0 to 15.0 percent FeO; 0.5 to 3.0 percent SiO and up to 3.0 percent OaO; the molar ratio of CaO to SiO being no greater than 2:1 and the structure of said refractory material comprising predominantly, relatively large, abutting grains of periclase, crystals of spinel contained within said periclase grains, and isolated pockets of silicates which are separated by periclase.
text: As a refractory material, a melted and re-solidified mixture of chrome ore and magnesia consisting essentialiy of by analysis 15 to 25 percent Cr O 45 to 75 percent MgO; 4 to 20 percent A1 0 3 to 15.0 percent FeO; 0.5 to 3.0 percent SiO and up to 3.0 percent CaO; the molar ratio of 0210 and SiO in said material being no greater than 2:1 and the structure of said material comprising predominantly, relatively large, abutting grains of periclase, crystals of spinel contained within said periclase grains, and isolated pockets of silicates contained within said periclase grains.
text: the molar ratio of CaO to SiO in said material being no greater than 2:1 and the structure of said material comprising predominantly, relatively large, abutting grains of periclase, crystals of spinel contained within said periclase grains, and isolated pockets of silicates contained within said periclase grains.
text: A melted, re-solidified and particulated mixture of chrome ore and magnesia consisting essentially of by analysis 14 to 20 percent Cr O 60 to 70 percent Mg(); 4 to 10 percent A1 0 5 to 10 percent Fe(); 0.5 to 1.5 percent SiO and up to 1.0 percent CaO; the molar ratio of CaO to Si0 in said material being no greater than 2:1 and the structure of said material comprising predominantly, relatively large, abutting grains of periclase, crystals of spinel contained within said periclase grains, and isolated pockets of silicates contained within said periclase grains.
text: As a refractory material, an electric furnace hearth product in particulated form and consisting essentially of by analysis 15 to 25 percent (X 0 45 to 75 percent MgO; 4 to 20 percent A1 0 3 to 15.0 percent FeO; 0.5 to 3.0 percent SiO and up to 3.0 percent CaO; the molar ratio of CaO to SiO in said material being no greater than 2:1 and the structure of said material comprising predominantly, relatively large, abutting grains of periclase, crystals of spinel contained within said periclase grains, and isolated pockets of silicates contained Within said periclase grains.
text: As a refractory material, an electric furnace hearth product in particulated form and consisting essentially of by analysis 14 to 20 percent Cr O 60 to 70 percent MgO; 4 to 10 percent Al O 5 to 10 percent PeO; 0.5 to 1.5 percent SiO and up to 1.0 percent CaO; the molar ratio of CaO to $10 in said material being no greater than 2:1 and the structure of said material comprising predominantly, relatively large, abutting grains of periclase, crystals of spinel contained within said periclase grains, and isolated pockets of silicates contained Within said periclase grains.
text: Cr 45 to 75 percent MgO; 4 to 20 7 percent A1 0 3 to 15.0 percent Fe(); 0.5 to 3.0 percent SiO and up to 3.0 percent CaO; the molar ratio of CaO to SiO in said material being no greater than 2:1 and the structure of said material comprising predominantly, relatively large, abutting grains of periclase, crystals of spinel contained within said periclase grains, and isolated pockets of silicates contained within said periclase grains.
text: relatively large, abutting grains of periclase, crystals of spinel contained within said periclase grains, and isolated pockets of silicates contained Within said periclase grains.
text: As a refractory article, chemically bonded particles of refractory material consisting essentially of by analysis 15 to percent Cr O to percent MgO; 4 to 20 percent A1 0 3 to 15.0 percent FeO; 0.5 to 3.0 percent SiO and up to 3.0 percent CaO; the molar ratio of CaO to SiO in said material being no greater than 2:1 and the structure of said material comprising predominantly, relatively large, abutting grains of periclase, crystals of spinel contained Within said periclase grains, and isolated pockets of silicates contained Within said periclase grams.