Research Article
A Probabilistic Model of the Unidirectional Tensile Strength of Fiber-Reinforced Polymers for Structural Design
Table 4
The 5th percentile characteristic values.
| Set no. | Sample size | Fiber type | | N | LN | W |
| 1 | 7 | Glass | 0.926 | 0.928 | 0.893 | 2 | 5 | Glass | 0.926 | 0.928 | 0.908 | 3 | 6 | Glass | 0.913 | 0.914 | 0.906 | 4 | 13 | Carbon | 0.929 | 0.931 | 0.888 | 5 | 36 | Carbon | 0.935 | 0.937 | 0.908 | 6 | 29 | Glass | 0.907 | 0.909 | 0.884 | 7 | 25 | Carbon | 0.886 | 0.887 | 0.873 | 8 | 20 | Carbon | 0.904 | 0.905 | 0.896 | 9 | 36 | Carbon | 0.848 | 0.848 | 0.831 | 10 | 49 | Glass | 0.837 | 0.841 | 0.815 | 11 | 30 | Carbon | 0.912 | 0.913 | 0.890 | 12 | 31 | Carbon | 0.821 | 0.828 | 0.772 | 13 | 21 | Carbon | 0.834 | 0.839 | 0.807 | 14 | 48 | Carbon | 0.744 | 0.760 | 0.686 | 15 | 24 | Carbon | 0.855 | 0.859 | 0.838 | 16 | 30 | Carbon | 0.848 | 0.855 | 0.810 | 17 | 6 | Carbon | 0.922 | 0.923 | 0.907 | 18 | 7 | Carbon | 0.955 | 0.956 | 0.937 | 19 | 7 | Carbon | 0.938 | 0.939 | 0.914 | 20 | 7 | Carbon | 0.960 | 0.960 | 0.957 | 21 | 7 | Carbon | 0.907 | 0.909 | 0.882 | 22 | 7 | Carbon | 0.924 | 0.925 | 0.920 | 23 | 8 | Glass | 0.944 | 0.944 | 0.933 | 24 | 14 | Glass | 0.928 | 0.929 | 0.913 | 25 | 20 | Carbon | 0.891 | 0.890 | 0.878 | 26 | 20 | Glass | 0.937 | 0.938 | 0.926 | 27 | 19 | Carbon | 0.897 | 0.899 | 0.879 | 28 | 6 | Glass | 0.945 | 0.945 | 0.942 | 29 | 5 | Glass | 0.930 | 0.931 | 0.922 | 30 | 5 | Glass | 0.961 | 0.962 | 0.942 | 31 | 5 | Glass | 0.923 | 0.923 | 0.944 | 32 | 5 | Glass | 0.925 | 0.927 | 0.900 | 33 | 5 | Glass | 0.918 | 0.920 | 0.896 | 38 | 30 | Glass | 0.888 | 0.891 | 0.863 | 39 | 5 | Glass | 0.996 | 0.996 | 0.995 | 40 | 5 | Glass | 0.988 | 0.988 | 0.982 | 41 | 5 | Glass | 0.985 | 0.985 | 0.978 | 42 | 5 | Glass | 0.962 | 0.962 | 0.950 | 43 | 5 | Glass | 0.988 | 0.989 | 0.985 | 44 | 30 | Carbon | 0.930 | 0.931 | 0.921 | 45 | 20 | Carbon | 0.924 | 0.927 | 0.881 | 46 | 20 | Carbon | 0.925 | 0.926 | 0.916 | 47 | 7 | Glass | 0.962 | 0.962 | 0.943 | 48 | 60 | Carbon | 0.905 | 0.907 | 0.880 | 49 | 9 | Glass | 0.889 | 0.887 | 0.906 | 50 | 8 | Glass | 0.900 | 0.901 | 0.897 | 51 | 10 | Glass | 0.885 | 0.888 | 0.865 | 52 | 9 | Glass | 0.912 | 0.915 | 0.877 | 53 | 8 | Glass | 0.951 | 0.952 | 0.941 | 54 | 8 | Glass | 0.926 | 0.928 | 0.910 | 55 | 72 | Carbon | 0.706 | 0.742 | 0.635 | 56 | 58 | Carbon | 0.691 | 0.716 | 0.657 | 57 | 59 | Carbon | 0.848 | 0.853 | 0.823 | 58 | 67 | Carbon | 0.865 | 0.869 | 0.834 | Average | 0.905 | 0.908 | 0.886 | c.o.v. | 0.062 | 0.057 | 0.073 |
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