Composite Material Properties: T650-35 976
CTD -67F A B-basis to RTD 72F A mean
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 | E2 GPa (GPa) | G12 GPa (GPa) | S MPa (MPa) | Vf pct (%) | Yc MPa (MPa) | Yt MPa (MPa) | basis | category | density kg m3 (kg/m3) | fiber | matrix | ply thickness mm (mm) | source page | source table | test condition |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T650-35 976 | CTD -67F A B-basis | — | — | 101.353 | 60.4 | — | — | B | Carbon Composite | 1,585 | T650-35 | 976 | 0.1359 | 304 | Table 4.2.29(d) | CTD (-67F/A) |
| T650-35 976 | CTD -67F A mean | 10.687 | 6.336 | 119.969 | 60.4 | 272.343 | 32.819 | mean | Carbon Composite | 1,585 | T650-35 | 976 | 0.1359 | 302; 303; 304 | Table 4.2.29(b); Table 4.2.29(c); Table 4.2.29(d) | CTD (-67F/A) |
| T650-35 976 | ETW 250F W B-basis | — | — | 71.705 | 60.4 | 113.074 | — | B | Carbon Composite | 1,585 | T650-35 | 976 | 0.1359 | 303; 304 | Table 4.2.29(c); Table 4.2.29(d) | ETW (250F/W) |
| T650-35 976 | ETW 250F W mean | 7.446 | 3.737 | 81.358 | 60.4 | 128.242 | 16.547 | mean | Carbon Composite | 1,585 | T650-35 | 976 | 0.1359 | 302; 303; 304 | Table 4.2.29(b); Table 4.2.29(c); Table 4.2.29(d) | ETW (250F/W) |
| T650-35 976 | RTD 72F A B-basis | — | — | 59.088 | 60.4 | 193.743 | 30.475 | B | Carbon Composite | 1,585 | T650-35 | 976 | 0.1359 | 302; 303; 304 | Table 4.2.29(b); Table 4.2.29(c); Table 4.2.29(d) | RTD (72F/A) |
| T650-35 976 | RTD 72F A mean | 9.515 | 5.137 | 102.732 | 60.4 | 231.664 | 39.369 | mean | Carbon Composite | 1,585 | T650-35 | 976 | 0.1359 | 302; 303; 304 | Table 4.2.29(b); Table 4.2.29(c); Table 4.2.29(d) | RTD (72F/A) |
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