Effect of Recrystallization on Environmental Embrittlement of a Ni3Al(Zr) Alloy

Acta Metall Sin

2004, Vol. 40

Issue (5): 499-503 DOI:

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Effect of Recrystallization on Environmental Embrittlement of a Ni3Al(Zr) Alloy

LI Yufang; GUO Jianting; ZHOU Lanzhang; YE Hengqiang

Institute of Metal Research; The Chinese Academy of Sciences; Shenyang 110016

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LI Yufang; GUO Jianting; ZHOU Lanzhang; YE Hengqiang. Effect of Recrystallization on Environmental Embrittlement of a Ni3Al(Zr) Alloy. Acta Metall Sin, 2004, 40(5): 499-503 .

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Abstract The effects of recrystallization on room temperature tensile properties and susceptibility to test environments (air or vacuum) of a Ni3Al(Zr) alloy have been investigated. The results show that the index of susceptibility to test environment increases with increase of recrystallized degree . It is found that air reduces the fraction of ductile fracture for completely recrystallized specimens. For the partially recrystallized microstructures, the ductile fracture mode remains unchanged when test environment changed from vacuum to air. The reason has been discussed in this paper.

Key words: Ni3Al environment embrittlement mechanical property

Received: 20 June 2003

ZTFLH:	TG146.15
	TG111.91

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y2004/V40/I5/499

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