Fibers in Polymer Composites

Mechanical properties of fibers used in polymer composites

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
  • E-glass - A low alkali borosilicate glass with good electrical and mechanical properties and good chemical resistance. The most widely used in fibers for reinforcing plastics.
  • S-Glass is a stiffer/stronger version of E-glass which is also used in polymer matrix composites. S-Glass is generally used for polymer matrix composites that require improved mechanical properties compared to E-glass based composites.
  • PAN-Based Carbon fibers are made of polyacrylonitrile (PAN). Carbon fibers are high-strength and high-
    stiffness materials used in advanced constructions like military aircrafts etc.
  • Alumina/Silica or trademark Saffil is produced as a fiber and was developed for thermal insulation at higher temperatures.
  • Kevlar 29 is used in industrial applications such as cables, asbestos replacement, brake linings, and body armor.
  • Kevlar 49 is considered to have the greatest tensile strength of all the aramids, and is used in applications such as plastic reinforcement for boat hulls, airplanes, and bikes.

Related Topics

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

Related Documents

Tag Search

  • en: fibers polymer composites properties tensile young modulus density

Search the Engineering ToolBox

- "Search is the most efficient way to navigate the Engineering ToolBox!"

Engineering ToolBox - SketchUp Edition - Online 3D modeling!

3D Engineering ToolBox - draw and model technical applications

Engineering ToolBox - SketchUp Edition - add standard and customized parametric components - like flange beams, lumbers, piping and more - to your SketchUp model - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro. Add from the Sketchup Extension Warehouse!

Translate the Engineering ToolBox!
About the Engineering ToolBox!

close