Research Article
Mechanical Performance of Zr-Containing 354-Type Al-Si-Cu-Mg Cast Alloy: Role of Additions and Heat Treatment
Table 6
Variation in average UTS, YS, % El, and Q values of the alloys studied in as-cast and T5- and T6-treated conditions obtained at 250°C.
| Alloy | Condition | UTS (MPa) | YS (MPa) | % El | Q (Equation (1)) |
| M1S | As-cast | 169.95 | 157.56 | 3.67 | 254.65 | T5 | 172.07 | 161.51 | 2.02 | 217.91 | T6 | 217.65 | 213.65 | 1.92 | 260.14 |
| M2S | As-cast | 186.32 | 172.84 | 2.25 | 239.15 | T5 | 196.25 | 178.85 | 1.60 | 226.71 | T6 | 223.72 | 222.33 | 2.15 | 273.65 |
| M3S | As-cast | 175.76 | 162.84 | 2.85 | 243.99 | T5 | 181.07 | 177.45 | 1.61 | 212.16 | T6 | 248.74 | 245.62 | 1.54 | 276.68 |
| M4S | As-cast | 180.53 | 167.35 | 1.77 | 217.57 | T5 | 181.86 | 179.13 | 1.32 | 199.85 | T6 | 253.58 | 253.32 | 1.06 | 257.35 |
| M5S | As-cast | 176.48 | 162.32 | 2.45 | 234.92 | T5 | 191.10 | 184.02 | 1.76 | 227.86 | T6 | 222.09 | 220.55 | 1.32 | 239.96 |
|
|