OALib Journal期刊
ISSN: 2333-9721
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Ti-Al-Cr三元系α_2(α)/γ相平衡的研究
, PP. 171-175
Keywords: Ti-Al-Cr三元系,α_2(α)/γ相平衡,扩散偶
Abstract:
采用扩散偶-电子探针法系统测定了Ti-Al-Cr三元系1000—1300℃的α2(α)/γ相平衡关系和相平衡成分,绘出了Cr含量小于10%(原子分数)范围的Ti-Al-Cr三元系局部等温截面和Ti-Al局部纵截面相图,明确了Cr在α2(α)和γ相中分配比的变化规律,研究结果支持Cr在γ-TiAl相中取代Al的位置,降低γ-TiAl相中Al含量的观点.
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