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Alumina Du Pont Monofilament 20 3.90 380 3.7 0.5 1.8 3.8 5.7 1000 FP Sumitomo Multifilament 17 3.30 210 2.4 0.7 2.1 5.3 4.0 1100 Alumina Aramid Du Pont Ballistic 1.43 80 2.1 3.6 2.9 9.7 16.9 250 Kevlar 29 Structural 12 1.45 120 3.1 2.8 2.9 9.7 17.1 Kevlar 49 High modulus 12 1.47 185 4.7 1.5 2.3 7.7 17.3 Kevlar 149 FIBERS Polyethylene DSC 10-12 0.97 87 3.4 3.5 2.7 9.0 23.2 120 Dyneema FOR Allied Signal 38 0.97 117 4.5 3.5 2.6 8.7 22.3 100 Spectra 900 28 0.97 172 6.7 2.7 3.0 10.0 25.8 Spectra 1000 N.B.The specific stiffness and strength is normalized to aluminum alloy 2024 T3;strength is based on stress at nominal yield. POLYMER-MATRIX COMPOSITES 名FIBERS FOR POLYMER-MATRIX COMPOSITES I E .9 -5 o o [.. o ..= r~ © © z =.. [-., 59
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