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Composite · UD lamina, glass · orthotropic

Scotchply 1002 glass/epoxy

Kaw, Table 2.1 · V_f = 0.45

Scotchply 1002 glass/epoxy is a unidirectional glass-fibre lamina to Kaw, Table 2.1. Its typical longitudinal tensile strength is 1062 MPa. Along the fibres E₁ = 38.6 GPa; across them E₂ = 8.27 GPa.

Record
ud-scotchply-1002
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Properties
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E₁ · Modulus, direction 1 38.6GPa typical[1]
ν₁₂ · Poisson's ratio 1-2 0.26– typical[1]
X_t · Longitudinal tensile strength 1062MPa typical[1]
Y_t · Transverse tensile strength 31MPa typical[1]
α₁ · Thermal expansion, direction 1 8.610⁻⁶/K typical[1]

Elastic constants

orthotropic
SymbolPropertyValueUnitBasisRef.
E₁ Modulus, direction 1 38.6 GPa typical [1]
E₂ Modulus, direction 2 8.27 GPa typical [1]
ν₁₂ Poisson's ratio 1-2 0.26 – typical [1]
G₁₂ Shear modulus 1-2 4.14 GPa typical [1]

Physical, thermal and electrical

at 20 °C
SymbolPropertyValueUnitBasisRef.
V_f Fibre volume fraction 0.45 – typical [1]
α₁ Thermal expansion, direction 1 8.6 10⁻⁶/K typical [1]
α₂ Thermal expansion, direction 2 22.1 10⁻⁶/K typical [1]

Strength

a band applies up to and including its upper limit
SymbolPropertyValueUnitBasisRef.
X_t Longitudinal tensile strength 1062 MPa typical [1]
X_c Longitudinal compressive strength 610 MPa typical [1]
Y_t Transverse tensile strength 31 MPa typical [1]
Y_c Transverse compressive strength 118 MPa typical [1]
S₁₂ In-plane shear strength 72 MPa typical [1]

Notes

  • Plane-stress (lamina) data: E₃, ν₁₃, ν₂₃, G₁₃ and G₂₃ are not given, so a 3D stiffness matrix is not formed. For a transversely isotropic lamina E₃ = E₂, G₁₃ = G₁₂ and ν₁₃ = ν₁₂; G₂₃ or ν₂₃ must come from elsewhere.

Sources

every value names one
  1. A. K. Kaw, Mechanics of Composite Materials, 2nd ed., Table 2.1 (as reproduced in course material)Copies checked: 1, 2, 3, 4

min product standard minimum char characteristic design code value for design typical datasheet or textbook derived worked out here, formula shown

Cite this page

for reports and papers

BadgerMecX Materials (2026). Scotchply 1002 glass/epoxy — material properties, Kaw, Table 2.1. Library v1.1.0, record ud-scotchply-1002. https://badgermecx.com/materials/ud-scotchply-1002/ (accessed 2026-10-08).

@misc{badgermecx_udscotchply1002,
  title  = {Scotchply 1002 glass/epoxy -- material properties, Kaw, Table 2.1},
  author = {{BadgerMecX Materials}},
  year   = {2026},
  note   = {Library v1.1.0, record ud-scotchply-1002},
  url    = {https://badgermecx.com/materials/ud-scotchply-1002/}
}

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