# A Simple Estimation Method of Weibull Modulus and Verification with Strength Data
## 4 Material Strength Data
### Fibers
\begin{table}
\begin{tabular}{c c c c c c c c c c c} \hline \hline
**Fibers** & **c0\textgreater{}** & **S** & **c0\textgreater{}/SD** & **m\textgreater{}obs** & **m\textless{}nt** & **N** & **m\textgreater{}obs/m\textless{}nt** & **Note** & **D/V** & **Ref** \\ \hline E-glass fiber & 811.5 & 130.8 & 6.20 & 6.54 & 6.82 & 33 & 0.958 & GE fiber 1963 & D & [11] \\ Silica fiber & 1199.8 & 366.8 & 1.88 & 2.27 & 2.07 & 119 & 1060 mm gage length & D & [73] \\ S-glass fiber & 5654.0 & 888.0 & 6.37 & 6.98 & 7.00 & 23 & 0.997 & 25.4 mm gage length & D & [74] \\ S-glass fiber & 4507.0 & 954.0 & 4.72 & 5.39 & 5.20 & 23 & 1.037 & 3.17 mm gage length & D & [74] \\ Glass fiber & 11,016.0 & 267.0 & 4.65 & 4.54 & 5.12 & 15 & 0.887 & Under ultra high vacuum & D & [75] \\ Glass fiber & 1920.0 & 640.0 & 3.00 & 4.03 & 3.30 & 40 & 1.221 & Water-based sizing & V & [76] \\ Glass fiber & 2020.0 & 530.0 & 3.81 & 5.12 & 4.19 & 40 & 1.221 & Sizing A1100 & V & [76] \\ Glass fiber & 1750.0 & 340.0 & 5.15 & 5.53 & 5.66 & 40 & 0.977 & Sizing P122 1200 Tex & V & [76] \\ Glass fiber & 1420.0 & 470.0 & 3.02 & 4.04 & 3.32 & 40 & 1.216 & Sizing P122 2400 Tex & V & [76] \\ E-Glass fiber & 1370.0 & 620.0 & 2.21 & 2.30 & 2.43 & 40 & 0.946 & Tensile strength & V & [77] \\ C fiber HTS & 23434.6 & 558.0 & 4.36 & 4.67 & 4.80 & 30 & 0.973 & Tensile strength & V & [74] \\ C fiber HTS & 2227.7 & 479.3 & 4.65 & 5.02 & 5.11 & 30 & 0.982 & Tensile strength & V & [74] \\ C fiber HTS & 2324.3 & 344.9 & 6.74 & 6.08 & 7.41 & 30 & 0.820 & Tensile strength & V & [74] \\ C fiber HTS & 2145.0 & 373.8 & 5.74 & 5.97 & 6.31 & 30 & 0.946 & Tensile strength & V & [74] \\ C fiber HTS & 2000.1 & 549.7 & 3.64 & 3.97 & 4.00 & 30 & 0.992 & Tensile strength & V & [74] \\ C fiber HTS & 1620.8 & 316.6 & 5.12 & 5.55 & 5.63 & 30 & 0.985 & Tensile strength & V & [74] \\ C pitch fiber C130 & 4370.0 & 830.0 & 5.27 & 6.07 & 5.79 & 16 & 1.048 & Tensile strength & V & [78] \\ C pitch fiber C130 & 3540.0 & 820.0 & 4.32 & 4.66 & 4.75 & 15 & 0.981 & Tensile strength & V & [78] \\ C pitch fiber C130 & 3380.0 & 840.0 & 4.02 & 4.68 & 4.43 & 18 & 1.057 & Tensile strength & V & [78] \\ C pitch fiber E700 & 4530.0 & 1110.0 & 4.08 & 4.81 & 4.49 & 16 & 1.071 & Tensile strength & V & [78] \\ C pitch fiber E700 & 4230.0 & 960.0 & 4.41 & 4.82 & 4.85 & 19 & 0.994 & Tensile strength & V & [78] \\ C pitch fiber E700 & 3670.0 & 840.0 & 4.37 & 4.88 & 4.81 & 12 & 1.015 & Tensile strength & V & [78] \\ C fiber XN05 & 1100.0 & 150.0 & 7.33 & 7.90 & 8.07 & 20 & 0.979 & Tensile strength & V & [79] \\ C fiber XN05 & 1438.0 & 283.0 & 5.08 & 5.41 & 5.59 & 20 & 0.968 & Compressive strength & V & [80] \\ C fiber Th000 CB & 5690.0 & 1020.0 & 5.58 & 5.90 & 6.14 & 20 & 0.961 & Tensile strength & V & [79] \\ C fiber T1000 CB & 894.0 & 139.0 & 6.43 & 6.86 & 7.07 & 20 & 0.970 & Compressive strength & V & [80] \\ C fiber K13D & 3210.0 & 810.0 & 3.96 & 4.20 & 4.36 & 20 & 0.963 & Tensile strength & V & [79] \\ C fiber K13D & 37.0 & 4.0 & 9.25 & 9.00 & 10.18 & 20 & 0.885 & Compressive strength & V & [80] \\ C fiber T300 & 3200.0 & 490.0 & 6.53 & 7.00 & 7.18 & 20 & 0.974 & Tensile strength & V & [79] \\ C fiber T300 & 857.0 & 140.0 & 6.12 & 6.80 & 6.73 & 20 & 1.010 & Compressive strength & V & [80] \\ C fiber Mk00 & 4930.0 & 7900.0 & 5.56 & 5.87 & 6.11 & 20 & 0.960 & Tensile strength & V & [79] \\ C fiber T700 SC & 4742.0 & 770.0 & 6.16 & 6.54 & 6.77 & 20 & 0.965 & Tensile strength \({}^{*}\) & V & [80] \\ C fiber T700 SC & 959.0 & 169.0 & 5.67 & 6.14 & 6.24 & 20 & 0.984 & Compressive strength & V & [80] \\ C fiber T800 HB & 5168.0 & 800.0 & 6.46 & 6.58 & 7.11 & 20 & 0.926 & Tensile strength \({}^{*}\) & V & [80] \\ C fiber T800 SC & 5245.0 & 786.0 & 6.67 & 6.98 & 7.34 & 20 & 0.951 & Tensile strength \({}^{*}\) & V & [80] \\ \hline \hline \end{tabular}
\end{table} 
Table 5: Listing of data for fibers.