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Martensite transition in rapidly solidified Ti3Al−2Nb alloy

Published online by Cambridge University Press:  26 July 2012

R. Xu ,
Y. Y. Cui ,
D. M. Xu ,
D. Li ,
Q. C. Li  and
Z. Q. Hu
R. Xu
Affiliation:
Institute of Metal Research, Academia Sinica, Shenyang 110015, and Harbin Institute of Technology, Harbin 150001, Peoples Republic of China
Y. Y. Cui
Affiliation:
Institute of Metal Research, Academia Sinica, Shenyang 110015, and Harbin Institute of Technology, Harbin 150001, Peoples Republic of China
D. M. Xu
Affiliation:
Institute of Metal Research, Academia Sinica, Shenyang 110015, and Harbin Institute of Technology, Harbin 150001, Peoples Republic of China
D. Li
Affiliation:
Institute of Metal Research, Academia Sinica, Shenyang 110015, and Harbin Institute of Technology, Harbin 150001, Peoples Republic of China
Q. C. Li
Affiliation:
Institute of Metal Research, Academia Sinica, Shenyang 110015, and Harbin Institute of Technology, Harbin 150001, Peoples Republic of China
Z. Q. Hu
Affiliation:
Institute of Metal Research, Academia Sinica, Shenyang 110015, and Harbin Institute of Technology, Harbin 150001, Peoples Republic of China
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Abstract

The microstructure of rapidly solidified Ti3Al−2Nb alloy consists of an ordered orthorhombic α″0 phase. In the foil samples for transmission electron microscopy prepared by chemical thinning, the α″0 → β0 transformation took place due to the charging of hydrogen during thinning. The β0 → α″0 transition in the rapidly solidified alloy can be explained by a shape deformation mechanism, and the β0/α″0 interface (habit) plane is near to {334}β0. The orientation relationships between the β0 and α″0 phases are , and .

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Type
Articles
Information
Journal of Materials Research , Volume 12 , Issue 1 , January 1997 , pp. 5 - 8
Copyright
Copyright © Materials Research Society 1997

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References

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