Composite Material Properties: S2-449_SP_381
Fiber-reinforced composite lamina (ply-level) mechanical properties from CMH-17 Rev G, MIL-HDBK-17, and authoritative datasheets. Covers carbon/epoxy, glass/epoxy, aramid/epoxy, PEEK thermoplastic, metal matrix composites (MMC), and ceramic matrix composites (CMC). Properties include elastic constants (E1, E2, G12, nu12), strengths (Xt, Xc, Yt, Yc, S), and physical properties across multiple test conditions (RTD, CTD, ETD, ETW) with mean and B-basis values.
| material system | condition basis | E1 GPa (GPa) | E2 GPa (GPa) | S MPa (MPa) | Vf pct (%) | Xc MPa (MPa) | Xt MPa (MPa) | Yt MPa (MPa) | basis | density kg m3 (kg/m3) | fiber | matrix | ply thickness mm (mm) | source page | source table | test condition |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S2-449_SP_381 | CTD_-65F_A_mean | 47.643 | 14.548 | 102.732 | 51.75 | 1,144.53 | 1,840.9 | 68.948 | mean | 1,895 | S2-449 | SP 381 | 0.0813 | 397; 399; 400; 402; 403; 411; 413; 414; 416; 417 | Table 6.2.1(a); Table 6.2.1(c); Table 6.2.1(d); Table 6.2.1(f); Table 6.2.1(g); Table 6.2.2(a); Table 6.2.2(c); Table 6.2.2(d); Table 6.2.2(f); Table 6.2.2(g) | CTD (-65F/A) |
| S2-449_SP_381 | ETD_180F_A_mean | 48.056 | 9.791 | 65.5 | 51.75 | 1,137.635 | 1,551.32 | 44.126 | mean | 1,895 | S2-449 | SP 381 | 0.0813 | 397; 399; 400; 402; 403; 411; 413; 414; 416; 417 | Table 6.2.1(a); Table 6.2.1(c); Table 6.2.1(d); Table 6.2.1(f); Table 6.2.1(g); Table 6.2.2(a); Table 6.2.2(c); Table 6.2.2(d); Table 6.2.2(f); Table 6.2.2(g) | ETD (180F/A) |
| S2-449_SP_381 | ETW_160F_W_mean | 47.988 | 7.584 | 52.4 | 51.75 | 930.792 | 799.792 | 24.821 | mean | 1,895 | S2-449 | SP 381 | 0.0813 | 398; 399; 401; 402; 403; 412; 413; 415; 416; 417 | Table 6.2.1(b); Table 6.2.1(c); Table 6.2.1(e); Table 6.2.1(f); Table 6.2.1(g); Table 6.2.2(b); Table 6.2.2(c); Table 6.2.2(e); Table 6.2.2(f); Table 6.2.2(g) | ETW (160F/W) |
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