Research Article
On the Elevated Temperature, Tensile Properties of Al-Cu Cast Alloys: Role of Heat Treatment
Table 4
Optimum high-temperature tensile properties and Q values for the alloys studied.
| | Alloy | Optimum tensile properties | Q-value (MPa) | Heat treatment condition | | UTS (MPa) | YS (MPa) | (%) El |
| | A | 281 | 280 | 2.0 | 325.3 | S8WA2 | | B | 308 | 304 | 2.3 | 361.0 | S8WA2 | | C | 276 | 275 | 3.2 | 351.9 | S8WA2 | | D | 309 | 305 | 2.8 | 375.6 | S8WA1 | | E | 283 | 282 | 2.4 | 338.7 | S8WA1 |
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