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High Temperature Mechanical Behavior of Some Advanced Ni3Al

Published online by Cambridge University Press:  28 February 2011

S. E. Hsu ,
N. N. Hsu ,
C. H. Tong ,
C. Y. Ma  and
S. Y. Lee
S. E. Hsu
Affiliation:
Chung Shan Institute of Science and Technology P. O. Box 1-26-4, Lungtan, Taiwan 32500, Republic of China
N. N. Hsu
Affiliation:
Chung Shan Institute of Science and Technology P. O. Box 1-26-4, Lungtan, Taiwan 32500, Republic of China
C. H. Tong
Affiliation:
Chung Shan Institute of Science and Technology P. O. Box 1-26-4, Lungtan, Taiwan 32500, Republic of China
C. Y. Ma
Affiliation:
Chung Shan Institute of Science and Technology P. O. Box 1-26-4, Lungtan, Taiwan 32500, Republic of China
S. Y. Lee
Affiliation:
Chung Shan Institute of Science and Technology P. O. Box 1-26-4, Lungtan, Taiwan 32500, Republic of China
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Abstract

High temperature mechanical properties of various Zr and Cr strengthened single phase Ni3Al are investigated, with emphasis on the ability of each element to elevate Tp, the temperature corresponding to the peak yield strength. It is observed that Zr is a very effective strengthener, more so below Tp than above it, while a combination of Cr and Zr is capable of shifting Tp to a higher temperature. The combination results in an effective improvement of the rupture strength of Ni3Al. The strengthening mechanisms of each element will be discussed in this paper.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 81: Symposium H – High-Temperature Ordered Intermetallic Alloys II , 1986 , 507
Copyright
Copyright © Materials Research Society 1987

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References

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