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Fabrication of cellular NiTi intermetallic compounds

Published online by Cambridge University Press:  31 January 2011

Bing-Yun Li ,
Li-Jian Rong ,
Yi-Yi Li  and
V. E. Gjunter
Bing-Yun Li
Affiliation:
Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110015, People's Republic of China
Li-Jian Rong
Affiliation:
Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110015, People's Republic of China
Yi-Yi Li
Affiliation:
Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110015, People's Republic of China
V. E. Gjunter
Affiliation:
V.D. Kuznetsov Siberian Physical Technical Institute, Tomsk, 634050, Russia
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Extract

Self-propagating high-temperature synthesis (SHS) has been successfully developed for the fabrication of cellular NiTi intermetallic compounds, which have an open cellular structure with about 60 vol% porosity and more than 95% open-porosity ratio. The SHS reactions lead to the formation of TiNi, Ti2Ni, Ni3Ti, and Ni4Ti3 intermetallics. The SHS process can be controlled by regulating the preheating temperature, which has effects on the phase amount and the shape as well as macrodistribution of pores in the products.

Type
Articles
Information
Journal of Materials Research , Volume 15 , Issue 1 , January 2000 , pp. 10 - 13
Copyright
Copyright © Materials Research Society 2000

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