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Article: Graded phase structure in the surface layer of NiTi alloy processed by surface severe plastic deformation
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TitleGraded phase structure in the surface layer of NiTi alloy processed by surface severe plastic deformation
 
AuthorsHu, T2 4
Chen, L2
Wu, SL4
Chu, CL3
Wang, LM2
Yeung, KWK1
Chu, PK4
 
KeywordsDeformation heating
Graded phase
Nanocrystalline
NiTi alloy
Surface mechanical attrition treatment
 
Issue Date2011
 
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/scriptamat
 
CitationScripta Materialia, 2011, v. 64 n. 11, p. 1011-1014 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.scriptamat.2011.02.008
 
AbstractThe graded phase structure and its evolution in the surface of NiTi alloy after surface mechanical attrition treatment are studied using transmission electron microscopy. The initial B2-B19′ phase transformation occurs at low strain level. As the deformation strain increases, the B19′ martensite phase transforms back to B2 phase giving rise to graded phases. Our study reveals that stress induced martensite transformation and deformation heating play important roles in the formation of this graded phase structure. © 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
 
ISSN1359-6462
2013 Impact Factor: 2.968
2013 SCImago Journal Rankings: 2.706
 
DOIhttp://dx.doi.org/10.1016/j.scriptamat.2011.02.008
 
ISI Accession Number IDWOS:000289607400004
Funding AgencyGrant Number
City University of Hong Kong7008009
Funding Information:

This work was financially supported by City University of Hong Kong Strategic Research Grant (SRG) No. 7008009. The authors acknowledge Dr. C.S. Wen at the Hong Kong Polytechnic University for SMAT experiments and Prof. J. Lu of City University of Hong Kong for valuable suggestions.

 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorHu, T
 
dc.contributor.authorChen, L
 
dc.contributor.authorWu, SL
 
dc.contributor.authorChu, CL
 
dc.contributor.authorWang, LM
 
dc.contributor.authorYeung, KWK
 
dc.contributor.authorChu, PK
 
dc.date.accessioned2011-09-23T05:51:36Z
 
dc.date.available2011-09-23T05:51:36Z
 
dc.date.issued2011
 
dc.description.abstractThe graded phase structure and its evolution in the surface of NiTi alloy after surface mechanical attrition treatment are studied using transmission electron microscopy. The initial B2-B19′ phase transformation occurs at low strain level. As the deformation strain increases, the B19′ martensite phase transforms back to B2 phase giving rise to graded phases. Our study reveals that stress induced martensite transformation and deformation heating play important roles in the formation of this graded phase structure. © 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
 
dc.description.naturelink_to_subscribed_fulltext
 
dc.identifier.citationScripta Materialia, 2011, v. 64 n. 11, p. 1011-1014 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.scriptamat.2011.02.008
 
dc.identifier.citeulike9185730
 
dc.identifier.doihttp://dx.doi.org/10.1016/j.scriptamat.2011.02.008
 
dc.identifier.epage1014
 
dc.identifier.hkuros192186
 
dc.identifier.isiWOS:000289607400004
Funding AgencyGrant Number
City University of Hong Kong7008009
Funding Information:

This work was financially supported by City University of Hong Kong Strategic Research Grant (SRG) No. 7008009. The authors acknowledge Dr. C.S. Wen at the Hong Kong Polytechnic University for SMAT experiments and Prof. J. Lu of City University of Hong Kong for valuable suggestions.

 
dc.identifier.issn1359-6462
2013 Impact Factor: 2.968
2013 SCImago Journal Rankings: 2.706
 
dc.identifier.issue11
 
dc.identifier.openurl
 
dc.identifier.scopuseid_2-s2.0-79953043600
 
dc.identifier.spage1011
 
dc.identifier.urihttp://hdl.handle.net/10722/139553
 
dc.identifier.volume64
 
dc.languageeng
 
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/scriptamat
 
dc.publisher.placeUnited Kingdom
 
dc.relation.ispartofScripta Materialia
 
dc.relation.referencesReferences in Scopus
 
dc.subjectDeformation heating
 
dc.subjectGraded phase
 
dc.subjectNanocrystalline
 
dc.subjectNiTi alloy
 
dc.subjectSurface mechanical attrition treatment
 
dc.titleGraded phase structure in the surface layer of NiTi alloy processed by surface severe plastic deformation
 
dc.typeArticle
 
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Author Affiliations
  1. The University of Hong Kong
  2. University Michigan Ann Arbor
  3. Southeast University
  4. City University of Hong Kong