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The transformation behavior and the shape memory effect due to cyclic stress/strain for Ti-49.6Ni alloy
Hu, Q; Jin, W; Liu, XP; Cao, MZ; Li, SX
Corresponding AuthorHu, Q()
2002-05-01
Source PublicationMATERIALS LETTERS
ISSN0167-577X
Volume54Issue:2-3Pages:114-119
AbstractThe transformation behavior for Ti-49.6 at.%Ni shape memory alloy was investigated under cyclic stress/strain by electrical resistance method and differential scanning calorimetry (DSC) method. After solution no R transformation occurred during the martensite transformation in the R-T curve, and the reverse martensite transformation temperature points A(s) as well as A(f) could be discerned clearly in the heating process. With the same kind of heat treatment, R transformation occurred after the specimen underwent cyclic stress or strain; in the meantime, the reverse transformation temperature points A(s) and A(f) were illegible during the reverse martensite transformation. The characteristics of resistance-temperature curve (R-T curve) of Ti-49.6Ni shape memory alloy changed apparently and regularly. The results also showed that after cyclic strain, the transformation temperatures M-s and A(s) were stable while the cyclic stress is not. That implied that the low-strain cycling itself could be used as a better method for mechanical training. For both stress and train cycling, the martensite transformation temperature M-s was lower than that of the raw material. It indicated that stress/strain cycling would inhibit the martensite transformation and directly result in the R transformation occurring. The shape memory effect after cyclic stress/strain were also studied, respectively. (C) 2002 Elsevier Science B.V. All rights reserved.
Keywordtransformation behavior shape memory effect cyclic stress/strain Ti-49.6Ni shape memory alloy
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000175674700005
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/114569
Collection中国科学院金属研究所
Corresponding AuthorHu, Q
Affiliation1.Chinese Acad Sci, Met Res Inst, State Key Lab Fatigue & Fracture Mat, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Met Res Inst, Lab Titanium Alloys, Shenyang 110016, Peoples R China
3.Dalian Univ Technol, Dept Mat & Engn, Dalian 116024, Peoples R China
Recommended Citation
GB/T 7714
Hu, Q,Jin, W,Liu, XP,et al. The transformation behavior and the shape memory effect due to cyclic stress/strain for Ti-49.6Ni alloy[J]. MATERIALS LETTERS,2002,54(2-3):114-119.
APA Hu, Q,Jin, W,Liu, XP,Cao, MZ,&Li, SX.(2002).The transformation behavior and the shape memory effect due to cyclic stress/strain for Ti-49.6Ni alloy.MATERIALS LETTERS,54(2-3),114-119.
MLA Hu, Q,et al."The transformation behavior and the shape memory effect due to cyclic stress/strain for Ti-49.6Ni alloy".MATERIALS LETTERS 54.2-3(2002):114-119.
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