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Article: Phase transformation behavior of porous NiTi alloys fabricated by capsule-free hot isostatic pressing

TitlePhase transformation behavior of porous NiTi alloys fabricated by capsule-free hot isostatic pressing
Authors
KeywordsDifferential scanning calorimetry
Hot isostatic pressing
Porous NiTi
Shape memory alloy
Issue Date2008
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jallcom
Citation
Journal Of Alloys And Compounds, 2008, v. 449 n. 1-2, p. 139-143 How to Cite?
AbstractDifferential scanning calorimetry (DSC) was used to characterize the phase transformation of porous NiTi alloys. Results revealed that there existed a multi-stage martensitic transformation on cooling while either a single or two-stage transformation on heating. The DSC analysis indicated that the cold compaction pressure had great effect on the transformation temperatures. The transformation temperatures of NiTi with lower compaction pressure were higher than those of NiTi compacted at higher pressure. With increase in the annealing time, the transformation temperatures quickly increased for those alloys compacted at 150 MPa. However, there was only little change in the transformation temperatures for those compacted from 300 to 400 MPa. The change in the transformation temperature can be attributed to the combined effect of high dislocations density and precipitation of the second phase. © 2006 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/59480
ISSN
2015 Impact Factor: 3.014
2015 SCImago Journal Rankings: 1.006
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWu, SLen_HK
dc.contributor.authorLiu, XMen_HK
dc.contributor.authorChu, PKen_HK
dc.contributor.authorChung, CYen_HK
dc.contributor.authorChu, CLen_HK
dc.contributor.authorYeung, KWKen_HK
dc.date.accessioned2010-05-31T03:51:03Z-
dc.date.available2010-05-31T03:51:03Z-
dc.date.issued2008en_HK
dc.identifier.citationJournal Of Alloys And Compounds, 2008, v. 449 n. 1-2, p. 139-143en_HK
dc.identifier.issn0925-8388en_HK
dc.identifier.urihttp://hdl.handle.net/10722/59480-
dc.description.abstractDifferential scanning calorimetry (DSC) was used to characterize the phase transformation of porous NiTi alloys. Results revealed that there existed a multi-stage martensitic transformation on cooling while either a single or two-stage transformation on heating. The DSC analysis indicated that the cold compaction pressure had great effect on the transformation temperatures. The transformation temperatures of NiTi with lower compaction pressure were higher than those of NiTi compacted at higher pressure. With increase in the annealing time, the transformation temperatures quickly increased for those alloys compacted at 150 MPa. However, there was only little change in the transformation temperatures for those compacted from 300 to 400 MPa. The change in the transformation temperature can be attributed to the combined effect of high dislocations density and precipitation of the second phase. © 2006 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_HK
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.rightsJournal of Alloys and Compounds. Copyright © Elsevier BV.en_HK
dc.subjectDifferential scanning calorimetryen_HK
dc.subjectHot isostatic pressingen_HK
dc.subjectPorous NiTien_HK
dc.subjectShape memory alloyen_HK
dc.titlePhase transformation behavior of porous NiTi alloys fabricated by capsule-free hot isostatic pressingen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0925-8388&volume=449 &issue=1-2&spage=139&epage=143&date=2008&atitle=Phase+transformation+behaviour+of+porous+NiTi+alloys+fabricated+by+capsule-free+hot+isostatic+pressing.en_HK
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.2006.01.144en_HK
dc.identifier.scopuseid_2-s2.0-36348959659en_HK
dc.identifier.hkuros166166en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-36348959659&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume449en_HK
dc.identifier.issue1-2en_HK
dc.identifier.spage139en_HK
dc.identifier.epage143en_HK
dc.identifier.isiWOS:000252737500033-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridWu, SL=15125218800en_HK
dc.identifier.scopusauthoridLiu, XM=8408205200en_HK
dc.identifier.scopusauthoridChu, PK=36040705700en_HK
dc.identifier.scopusauthoridChung, CY=8100842800en_HK
dc.identifier.scopusauthoridChu, CL=7404345713en_HK
dc.identifier.scopusauthoridYeung, KWK=13309584700en_HK

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