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Article: Surface mechanical attrition treatment induced phase transformation behavior in NiTi shape memory alloy

TitleSurface mechanical attrition treatment induced phase transformation behavior in NiTi shape memory alloy
Authors
KeywordsMartensite stabilization
NiTi shape memory alloy (SMA)
Surface mechanical attrition treatment (SMAT)
Transformation behavior
Issue Date2009
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jallcom
Citation
Journal Of Alloys And Compounds, 2009, v. 482 n. 1-2, p. 298-301 How to Cite?
Abstract
The phase constituents and transformation behavior of the martensite B19′ NiTi shape memory alloy after undergoing surface mechanical attrition treatment (SMAT) are investigated. SMAT is found to induce the formation of a parent B2 phase from the martensite B19′ in the top surface layer. By removing the surface layer-by-layer, X-ray diffraction reveals that the amount of the B2 phase decreases with depth. Differential scanning calorimetry (DSC) further indicates that the deformed martensite in the sub-surface layer up to 300 μm deep exhibits the martensite stabilization effect. The graded phase structure and transformation behavior in the SMATed NiTi specimen can be attributed to the gradient change in strain with depth. © 2009 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/139541
ISSN
2013 Impact Factor: 2.726
2013 SCImago Journal Rankings: 1.181
ISI Accession Number ID
Funding AgencyGrant Number
Hong Kong Research Grants Council (RGC) General Research Funds (GRF)CityU 112307
Funding Information:

Financial support by Hong Kong Research Grants Council (RGC) General Research Funds (GRF) No. CityU 112307 is acknowledged.

References

 

Author Affiliations
  1. Southeast University
  2. City University of Hong Kong
  3. Hong Kong Polytechnic University
DC FieldValueLanguage
dc.contributor.authorHu, Ten_HK
dc.contributor.authorWen, CSen_HK
dc.contributor.authorLu, Jen_HK
dc.contributor.authorWu, SLen_HK
dc.contributor.authorXin, YCen_HK
dc.contributor.authorZhang, WJen_HK
dc.contributor.authorChu, CLen_HK
dc.contributor.authorChung, JCYen_HK
dc.contributor.authorYeung, KWKen_HK
dc.contributor.authorKwok, DTKen_HK
dc.contributor.authorChu, PKen_HK
dc.date.accessioned2011-09-23T05:51:28Z-
dc.date.available2011-09-23T05:51:28Z-
dc.date.issued2009en_HK
dc.identifier.citationJournal Of Alloys And Compounds, 2009, v. 482 n. 1-2, p. 298-301en_HK
dc.identifier.issn0925-8388en_HK
dc.identifier.urihttp://hdl.handle.net/10722/139541-
dc.description.abstractThe phase constituents and transformation behavior of the martensite B19′ NiTi shape memory alloy after undergoing surface mechanical attrition treatment (SMAT) are investigated. SMAT is found to induce the formation of a parent B2 phase from the martensite B19′ in the top surface layer. By removing the surface layer-by-layer, X-ray diffraction reveals that the amount of the B2 phase decreases with depth. Differential scanning calorimetry (DSC) further indicates that the deformed martensite in the sub-surface layer up to 300 μm deep exhibits the martensite stabilization effect. The graded phase structure and transformation behavior in the SMATed NiTi specimen can be attributed to the gradient change in strain with depth. © 2009 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jallcomen_HK
dc.relation.ispartofJournal of Alloys and Compoundsen_HK
dc.subjectMartensite stabilizationen_HK
dc.subjectNiTi shape memory alloy (SMA)en_HK
dc.subjectSurface mechanical attrition treatment (SMAT)en_HK
dc.subjectTransformation behavioren_HK
dc.titleSurface mechanical attrition treatment induced phase transformation behavior in NiTi shape memory alloyen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0925-8388&volume=482&issue=1-2&spage=298&epage=301&date=2009&atitle=Surface+mechanical+attrition+treatment+induced+phase+transformation+behavior+in+NiTi+shape+memory+alloy-
dc.identifier.emailYeung, KWK:wkkyeung@hkucc.hku.hken_HK
dc.identifier.authorityYeung, KWK=rp00309en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jallcom.2009.04.004en_HK
dc.identifier.scopuseid_2-s2.0-67349133613en_HK
dc.identifier.hkuros192172en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-67349133613&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume482en_HK
dc.identifier.issue1-2en_HK
dc.identifier.spage298en_HK
dc.identifier.epage301en_HK
dc.identifier.isiWOS:000267891900064-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridHu, T=25948400300en_HK
dc.identifier.scopusauthoridWen, CS=7201367133en_HK
dc.identifier.scopusauthoridLu, J=36072284900en_HK
dc.identifier.scopusauthoridWu, SL=15125218800en_HK
dc.identifier.scopusauthoridXin, YC=16053620900en_HK
dc.identifier.scopusauthoridZhang, WJ=7409430504en_HK
dc.identifier.scopusauthoridChu, CL=7404345713en_HK
dc.identifier.scopusauthoridChung, JCY=7404002978en_HK
dc.identifier.scopusauthoridYeung, KWK=13309584700en_HK
dc.identifier.scopusauthoridKwok, DTK=7004373367en_HK
dc.identifier.scopusauthoridChu, PK=36040705700en_HK

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