EngiRef / Materials

Kevlar/Epoxy Composite

composites

composites

Source Details

Id

composite-kevlar

Name

Kevlar/Epoxy Composite

Category

composites

Designation

Aramid/Epoxy

Properties
{
  "density": {
    "value": 1380,
    "unit": "kg/m³"
  },
  "tensileStrengthUltimate": {
    "value": 525,
    "unit": "MPa"
  },
  "elasticModulus": {
    "value": 30,
    "unit": "GPa"
  },
  "poissonsRatio": 0.35,
  "thermalConductivity": {
    "value": 0.04,
    "unit": "W/(m·K)"
  },
  "thermalExpansion": {
    "value": -4,
    "unit": "µm/(m·K)"
  }
}
Applications

Body armor, Helmets, Aerospace, Racing boats, Tires

Notes

Excellent impact resistance. Difficult to machine. Negative thermal expansion along fiber.