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Martensitic stabilization and defects induced by deformation in TiNi shape memory alloys
Alternative TitleMartensitic stabilization and defects induced by deformation in TiNi shape memory alloys
Wang Shuai1; Tsuchiya Koichi2; Wang Lei1; Umemoto Minoru3
2011
Source PublicationINTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS
ISSN1674-4799
Volume18Issue:1Pages:66-69
AbstractMartensitic stabilization caused by deformation in a TiNi shape memory alloy was studied. Special attention was paid to the deformed microstructures to identify the cause of martensitic stabilization. Martensitic stabilization was demonstrated by differential scanning calorimetry for the tensioned TiNi shape memory alloy. Transmission electron microscopy revealed that antiphase boundaries were formed because of the fourfold dissociation of 110(B19), super lattice dislocations and were preserved after reverse transformation due to the lattice correspondence. Martensitic stabilization was attributed to dislocations induced by deformation, which reduced the ordering degree of the microstructure, spoiled the reverse path from martensite to parent phase compared with thermoelastic transformation, and imposed resistance on phase transformation through the stress field.
Other AbstractMartensitic stabilization caused by deformation in a TiNi shape memory alloy was studied. Special attention was paid to the deformed microstructures to identify the cause of martensitic stabilization. Martensitic stabilization was demonstrated by differential scanning calorimetry for the tensioned TiNi shape memory alloy. Transmission electron microscopy revealed that antiphase boundaries were formed because of the fourfold dissociation of 110B19'super lattice dislocations and were preserved after reverse transformation due to the lattice correspondence. Martensitic stabilization was attributed to dislocations induced by deformation, which reduced the ordering degree of the microstructure, spoiled the reverse path from martensite to parent phase compared with thermoelastic transformation, and imposed resistance on phase transformation through the stress field
KeywordAL-NI ALLOY ELECTRON-MICROSCOPY TRANSFORMATION REORIENTATION MICROSTRUCTURE MECHANISM PHASE TWINS shape memory alloys transmission electron microscopy martensitic transformations stabilization defects
Indexed ByCSCD
Language英语
CSCD IDCSCD:4381639
Citation statistics
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/150756
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.Natl Institute Mat Sci, Innovat Mat Engn Lab, Struct Funct Res Grp, Tsukuba, Ibaraki 3050047, Japan
3.Toyohashi University Technol, Dept Prod Syst Engn, Toyohashi, Aichi 4418580, Japan
Recommended Citation
GB/T 7714
Wang Shuai,Tsuchiya Koichi,Wang Lei,et al. Martensitic stabilization and defects induced by deformation in TiNi shape memory alloys[J]. INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS,2011,18(1):66-69.
APA Wang Shuai,Tsuchiya Koichi,Wang Lei,&Umemoto Minoru.(2011).Martensitic stabilization and defects induced by deformation in TiNi shape memory alloys.INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS,18(1),66-69.
MLA Wang Shuai,et al."Martensitic stabilization and defects induced by deformation in TiNi shape memory alloys".INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS 18.1(2011):66-69.
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