Diffusion Research in BCC Ti-Al-Mo Ternary Alloys

被引：43

作者：

Chen, Yi ^{[1
,2
]}

Tang, Bin ^{[1
]}

Xu, Guanglong ^{[2
]}

Wang, Chuanyun ^{[1
]}

Kou, Hongchao ^{[1
]}

Li, Jinshan ^{[1
]}

Cui, Yuwen ^{[2
]}

机构：

[1] Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Peoples R China

[2] IMDEA Mat Inst, Computat Alloy Design Grp, Madrid 28906, Spain

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2014年 / 45A卷 / 04期

基金：

中国国家自然科学基金;

关键词：

TITANIUM-ALLOYS; SYSTEMS; COEFFICIENTS; PHASE; INTERDIFFUSION; EQUATIONS; PROFILES; ZR;

D O I：

10.1007/s11661-014-2245-x

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Interdiffusion in Ti-Al-Mo beta solid solution was investigated at 1523 K (1250 A degrees C) by analyzing diffusion couples. From the concentration profiles analytically represented by error function expansion (ERFEX), the ternary interdiffusion coefficients and impurity diffusivity were extracted by the Whittle-Green and generalized Hall methods. A comparison of the diffusion in five Ti-Al-X (Co, Cr, Fe, Mo, and V) ternaries reveals Ti-Al-Mo is comparably like Ti-Al-(Cr, V) while Ti-Al-(Co, Fe) are predominantly of interstitial nature.

引用

页码：1647 / 1652

页数：6

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