Fibers in Polymer Composites

Mechanical properties of fibers used in polymer composites

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Mechanical properties of some common fibers used in polymer composites are indicated below:

Fiber Tensile Strength Tensile Modulus (Young Modulus) Elongation
(%)
Density
(MPa) 103 (psi) GPa 106 (psi) (kg/m3) (lb/in3)
E-Glass 3500 510 72.5 10.5 4.9 2630 0.095
S-Glass 4600 670 88 12.8 5.5 2490 0.09
AS-4 PAN-Based Carbon 4000 578 245 35.5 1.6 1800 0.065
IM-7 PAN-Based Carbon 4900 710 317 46 1.7 1744 0.063
P120 Pitch-Based Graphite 2250 325 827 120 0.27 2187 0.079
Alumina/Silica 1950 280 297 43   3280 0.12
Kevlar 29 2860 410 64 9.3   1440 0.052
Kevlar 49 3650 530 124 18 2.5 1440 0.052
Boron 3620 525 400 58 1 2574 0.093

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Related Topics

  • Material Properties Material properties - density, heat capacity, viscosity and more - for gases, fluids and solids
  • Mechanics Kinematics, forces, vectors, motion, momentum, energy and the dynamics of objects

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