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Article: Graded phase structure in the surface layer of NiTi alloy processed by surface severe plastic deformation

TitleGraded phase structure in the surface layer of NiTi alloy processed by surface severe plastic deformation
Authors
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
Citation
Scripta Materialia, 2011, v. 64 n. 11, p. 1011-1014 How to Cite?
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.
Persistent Identifierhttp://hdl.handle.net/10722/139553
ISSN
2014 Impact Factor: 3.224
2014 SCImago Journal Rankings: 2.637
ISI Accession Number ID
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.

References

 

DC FieldValueLanguage
dc.contributor.authorHu, Ten_HK
dc.contributor.authorChen, Len_HK
dc.contributor.authorWu, SLen_HK
dc.contributor.authorChu, CLen_HK
dc.contributor.authorWang, LMen_HK
dc.contributor.authorYeung, KWKen_HK
dc.contributor.authorChu, PKen_HK
dc.date.accessioned2011-09-23T05:51:36Z-
dc.date.available2011-09-23T05:51:36Z-
dc.date.issued2011en_HK
dc.identifier.citationScripta Materialia, 2011, v. 64 n. 11, p. 1011-1014en_HK
dc.identifier.issn1359-6462en_HK
dc.identifier.urihttp://hdl.handle.net/10722/139553-
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.en_HK
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/scriptamaten_HK
dc.relation.ispartofScripta Materialiaen_HK
dc.subjectDeformation heatingen_HK
dc.subjectGraded phaseen_HK
dc.subjectNanocrystallineen_HK
dc.subjectNiTi alloyen_HK
dc.subjectSurface mechanical attrition treatmenten_HK
dc.titleGraded phase structure in the surface layer of NiTi alloy processed by surface severe plastic deformationen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1359-6462&volume=64&issue=11&spage=1011&epage=1014&date=2011&atitle=Graded+phase+structure+in+the+surface+layer+of+NiTi+alloy+processed+by+surface+severe+plastic+deformation-
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.scriptamat.2011.02.008en_HK
dc.identifier.scopuseid_2-s2.0-79953043600en_HK
dc.identifier.hkuros192186en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79953043600&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume64en_HK
dc.identifier.issue11en_HK
dc.identifier.spage1011en_HK
dc.identifier.epage1014en_HK
dc.identifier.isiWOS:000289607400004-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridHu, T=25948400300en_HK
dc.identifier.scopusauthoridChen, L=37078799200en_HK
dc.identifier.scopusauthoridWu, SL=15125218800en_HK
dc.identifier.scopusauthoridChu, CL=7404345713en_HK
dc.identifier.scopusauthoridWang, LM=7409182819en_HK
dc.identifier.scopusauthoridYeung, KWK=13309584700en_HK
dc.identifier.scopusauthoridChu, PK=36040705700en_HK
dc.identifier.citeulike9185730-

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