配制了38种复杂成分镍基实验合金,测定其γ′固溶温度,利用回归分析方法确定了γ′固溶温度和合金元素间的定量关系并对合金元素的影响进行了评论。用所得的γ′固溶温度线性方程对13种典型商用镍基高温合金进行预测,计算结果与实测数据基本一致。
38 Ni-base experimental alloys were prepared with variation of thealloying elements over the following nominal ranges (in wt-％): Al 1.0--6.5, Ti0.0--5.5, W 0.0----11.0, Mo 0.0--8.0, Nb 0.0--4.5, Ta 0.0--4.0, V 0.0--1.3 andFe 0.0--9.0. In this investigation, γ' solvus temperature of these alloys were mea-sured and the effect of alloying elements were discussed. Relationship between γ'solvus temperature and alloy composition has been determined using regressionanalysis. The γ' solvus temperatures calculated by using this simple linear equationagree basically with those observed in 13 commercial Ni-base superalloys.
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