Low-cycle fatigue of a bulk amorphous alloy Zr41.25Ti13.75Ni10Cu12.5Be22.5
Zhang, H; Qiu, KQ; Wang, ZG; Zang, QS; Zhang, HF
Corresponding AuthorZhang, H()
AbstractThe low-cycle fatigue behavior of Zr41.25Ti13.75Ni10Cu12.5Be22.5 bulk amorphous alloy was investigated in fully reversed stress control at room temperature. Both fully amorphous and partially crystallized specimens show neither cyclic hardening nor softening until final fracture. The fully amorphous alloy has a superior fatigue life than the partially crystallized one. From SEM observations of fracture surfaces and out surfaces of the specimens, the mechanism of stable cyclic strain response is explained. The stages of crack initiation, propagation and overload fracture zone are discernable for the two alloys. The crystalline phases in the amorphous matrix behave more as sites of crack initiation or porosity instead of obstacles retarding crack propagation.
KeywordZr base bulk amorphous alloy low-cycle fatigue crystalline phases cyclic strain response
Indexed BySCI
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000182921300014
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorZhang, H
AffiliationChinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zhang, H,Qiu, KQ,Wang, ZG,et al. Low-cycle fatigue of a bulk amorphous alloy Zr41.25Ti13.75Ni10Cu12.5Be22.5[J]. ACTA METALLURGICA SINICA,2003,39(4):405-408.
APA Zhang, H,Qiu, KQ,Wang, ZG,Zang, QS,&Zhang, HF.(2003).Low-cycle fatigue of a bulk amorphous alloy Zr41.25Ti13.75Ni10Cu12.5Be22.5.ACTA METALLURGICA SINICA,39(4),405-408.
MLA Zhang, H,et al."Low-cycle fatigue of a bulk amorphous alloy Zr41.25Ti13.75Ni10Cu12.5Be22.5".ACTA METALLURGICA SINICA 39.4(2003):405-408.
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