<正> 本研究采用Dillamore等人提出的X射线织构法,测定了Ni-Cr-W-Co固溶强化型高温合金基体层错能与合金化元素Co和W含量的关系,研究了合金层错能γ与合金高温稳态蠕变速率ε_s(1000℃,39MPa)的关系.试样经1230℃,10min固溶处理后空冷,再冷轧至0.075mm,形
Determination of the stacking fault energy, Y, of the solid solution strengthening superalloys with various contents of Co and W with relation to their steady-state creep rate, s was carried out by X-ray texture method. The stacking fault energy decreases with the increase of Co and W. An expression may be proposed as ε ∞ γ~m, where m=1.46.
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