Table 1 The nominal composition and experimental results for synthesized alloys.
From: The γ/γ′ microstructure in CoNiAlCr-based superalloys using triple-objective optimization
Alloy | Co | Ni | Al | Ti | W | Ta | Mo | Nb | Cr | Re | PC | Tγ′-solvus | Tsolidus | Tliquidus | PW | FR | ρ | Vγ′ | Rγ′ | Cγ′ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MGE 1-1 | Bal | 30 | 11 | 2 | 1.5 | 3.5 | 0 | 0 | 5 | 1 | 0 | 1194.7 | 1318.1 | 1370.1 | 123.4 | 52.0 | 8.84 | 54.4 | 70.2 | 80.7 |
MGE 1-2 | Bal | 30 | 10.5 | 2.5 | 2 | 3.5 | 0 | 0 | 5 | 0 | 0 | 1207.6 | 1308.7 | 1364.0 | 101.1 | 55.3 | 8.79 | 60.6 | 68.2 | 77.5 |
MGE 1-3 | Bal | 30 | 11 | 2.5 | 1 | 3.5 | 2 | 0.5 | 5 | 1 | – | – | 1273.5 | 1342.0 | – | 68.5 | 8.80 | – | – | – |
MGE 1-4 | Bal | 30 | 10.5 | 1.5 | 1.5 | 4 | 1 | 0 | 5 | 0 | 0 | 1197.8 | 1312.3 | 1363.0 | 114.5 | 50.7 | 8.85 | 53.7 | 67.5 | 80.5 |
MGE 2-1 | Bal | 30 | 10.5 | 2.5 | 2 | 3.5 | 0 | 0 | 5 | 0.5 | 0 | 1206.0 | 1302.9 | 1354.8 | 96.9 | 51.9 | 8.84 | 51.7 | 67.1 | 60.9 |
MGE 2-2 | Bal | 30 | 10.5 | 2 | 1.5 | 4 | 0.5 | 0 | 5 | 0 | 0 | 1203.9 | 1302.6 | 1354.8 | 98.7 | 52.2 | 8.85 | 48.6 | 39.4 | 37.6 |
MGE 2-3 | Bal | 30 | 10.5 | 3 | 2 | 3.5 | 2 | 0 | 5 | 0 | – | – | 1272.3 | 1333.1 | – | 60.8 | 8.80 | – | – | – |
MGE 2-4 | Bal | 30 | 11 | 3 | 1 | 3.5 | 0 | 0 | 5 | 1 | – | – | 1283.9 | 1349.9 | – | 66.0 | 8.73 | – | – | – |
MGE 3-1 | Bal | 30 | 11 | 1.5 | 1.5 | 3.5 | 0 | 1 | 5 | 1 | 0 | 1203.3 | 1288.2 | 1351.4 | 84.9 | 63.2 | 8.85 | 49.7 | 56.1 | 48.1 |
MGE 3-2 | Bal | 30 | 11 | 2.5 | 2 | 3.5 | 2 | 0 | 5 | 0 | – | – | 1279.4 | 1337.7 | – | 58.3 | 8.78 | – | – | – |
MGE 3-3 | Bal | 30 | 12 | 1.5 | 1.5 | 3.5 | 0 | 0 | 5 | 0 | – | – | 1309.0 | 1360.3 | – | 51.3 | 8.62 | – | – | – |
MGE 3-4 | Bal | 30 | 11 | 2.5 | 1 | 3.5 | 0 | 0 | 5 | 1 | 0 | 1192.9 | 1308.1 | 1364.9 | 115.2 | 56.8 | 8.84 | 40.6 | 55.9 | 56.3 |
MGE 4-1 | Bal | 30 | 12 | 1.5 | 2 | 3.5 | 2 | 1 | 5 | 0 | – | – | 1264.1 | 1330.1 | – | 66.0 | 8.77 | – | – | – |
MGE 4-2 | Bal | 30 | 11 | 2 | 2 | 3.5 | 0 | 0 | 5 | 0 | 0 | 1205.5 | 1312.3 | 1365.3 | 106.8 | 53.0 | 8.86 | 53.9 | 69.5 | 72.9 |
MGE 4-3 | Bal | 30 | 12.5 | 1 | 1.5 | 3.5 | 0 | 0 | 5 | 0 | – | – | 1316.7 | 1366.0 | – | 49.3 | 8.65 | – | – | – |
MGE 4-4 | Bal | 30 | 11 | 1.5 | 1.5 | 4 | 1 | 0 | 5 | 0 | 0 | 1203.3 | 1305.9 | 1359.2 | 102.6 | 53.3 | 8.87 | 54.8 | 68.9 | 89.2 |
