Open Access
Table 1
Room temperature tensile properties of both wrought, AM and cast H282.
| Materials | Size | YS (MPa) | UTS (MPa) | Elongation (%) | Heat treatment |
|---|---|---|---|---|---|
| Wrought H282 [3] | / | 778 | 1191 | 25.8 | Solid solution at 1121−1149 °C, two-stage aging at 1010 °C and 788 °C |
| Small vacuum cast H282(6.8kg) [6] test at 800 °C | / | 473 | 822 | 23% | Homogenization 1100 °C/3h+holding at 1200 °C/9h + gas fan cooling, ageing at 1010 °C/2h + air cooling, ageing at 788 °C/8h + air cooling |
| Vacuum cast Haynes (170kg) [7] | Cuboids 260 × 260 × 300 mm in size | 400 | 500 | 2% | Solid solution at 1121–1177 °C/45 min + water quench, ageing at 1010 °C/2h, aging at 788 °C/8h + air cooling |
| Large sand cast H282 (1500kg) [8] | Cuboids 320 × 125 × 900 mm in size | Sample fractured early—No results could be obtained | Homogenization at 1100 °C/6h+holding at 1200 °C/12h + water quenching, ageing at 1010 °C/5h + water quenching, ageing at 788 °C/8h + air cooling; | ||
| Electron beam melted H282 [11] | Cuboids 12.5 × 12.5× 10 mm in size | 610–625 | 1076–1100 | 49% | Solid solution at1135 °C/10 min + water quenching, ageing at 1010 °C/2h, aging at 788 °C/8h |
| Selective laser melted H282 [12] | Cuboids 10 × 10 ×10 mm in size |
650 | 1025 | 49% | Solid solution at1120 °C/2h + water quenching, ageing at 1000 °C/2h +furnace cooling, aging at 788 °C/8h +furnace cooling |
| Laser powder bed fusion H282 [13] | Cuboids 15 × 15×18 mm in size |
946–1009 | 1173–1258 | 22.5–28.7% | Solid solution at1150 °C/2h, ageing at 1010 °C/2h, aging at 788 °C/8h +cooling rate of 20 °C/min |
| Laser powder bed fusion H282 [14] | Cuboids 10 × 10 × 20 mm in size |
400 | 580 | 30–35% | Solid solution at1250 °C/1h+cooling rate 10 °C/min, aging at 788 °C/8h + gas quench |
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