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设计了一种简单的扩散偶，用扩散偶－电子探针法，测定了1200和1250℃Ti－Al－Cr—Fe四元系中XCr≤4％和XFe≤1％范围内的α／γ相平衡关系和相平衡成分，绘出了四元系的局部等温正方形结果表明，在Ti—Al—Cr—Fe四元系中，Cr有提高Fe在α相中的溶解度的作用；Fe亦有提高Cr在α相中的溶解度的趋势
A simple diffusion pair was designed to measure the α / γ in the range of XCr≤4% and XFe≤1% in the Ti-Al-Cr-Fe quaternary system at 1200 and 1250 ℃ with the diffused dipole-electron probe method Phase equilibria and phase equilibria, the local isothermal square of the quaternary system is plotted showing that Cr has the effect of increasing the solubility of Fe in the alpha phase in the Ti-Al-Cr-Fe quaternary system; Fe also has Increase the solubility of Cr in the α phase