高合金化GH4151合金复杂析出相演变行为 |
王法, 江河, 董建新 |
Evolution Behavior of Complex Precipitation Phases in Highly Alloyed GH4151 Superalloy |
WANG Fa, JIANG He, DONG Jianxin |
图7 过固溶态GH4151合金在不同冷却速率下γ′相形貌的SEM像(冷却速率<炉冷) |
Fig.7 Low (a, c) and high (b, d) magnified SEM images of γ' phase in GH4151 superalloy after heat treatment at 1140oC, 20 h + 1170oC, 10 h + 1200oC, 20 h and then slow cooling (v = 10oC/min) (a, b), super slow cooling (v = 1oC/min) (c, d) when the cooling rate < furnace cooling (Oval regions show the γ' phases with irregular morphologies) |
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