T300/5208 carbon/epoxy UD lamina

Classic aerospace unidirectional lamina, Vf ≈ 0.70. Reference material for CLT examples.

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PropertyValueSourceMethodConditionsNote
Density1.6 g/cm³Tsai & Hahn, Introduction to Composite Materials, 198023 °C, dry
E₁ (longitudinal)181 GPaTsai & Hahn, Introduction to Composite Materials, 1980ASTM D303923 °C, dry
E₂ (transverse)10.3 GPaTsai & Hahn, Introduction to Composite Materials, 1980ASTM D303923 °C, dry
G₁₂ (in-plane shear)7.17 GPaTsai & Hahn, Introduction to Composite Materials, 1980ASTM D351823 °C, dry
ν₁₂ (major Poisson)0.28 Tsai & Hahn, Introduction to Composite Materials, 198023 °C, dry
Xt (long. tension)1500 MPaTsai & Hahn, Introduction to Composite Materials, 1980ASTM D303923 °C, dry
Xc (long. compression)1500 MPaTsai & Hahn, Introduction to Composite Materials, 1980ASTM D341023 °C, dry
Yt (transv. tension)40 MPaTsai & Hahn, Introduction to Composite Materials, 1980ASTM D303923 °C, dry
Yc (transv. compression)246 MPaTsai & Hahn, Introduction to Composite Materials, 1980ASTM D341023 °C, dry
S (in-plane shear)68 MPaTsai & Hahn, Introduction to Composite Materials, 1980ASTM D351823 °C, dry
  • Tsai & Hahn, Introduction to Composite Materials, 1980

Typical room-temperature values for learning and preliminary design; grades vary. Always confirm against the supplier datasheet before design work. Data policy: docs/DATA-SOURCES.md in the repository.