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Article: The effects of a new grain boundary phase in Ni-Al alloy

TitleThe effects of a new grain boundary phase in Ni-Al alloy
Authors
KeywordsPhysics engineering chemistry
Issue Date2001
PublisherMaterials Research Society. The Journal's web site is located at http://www.mrs.org/publications/epubs/proceedings/spring2004/index.html
Citation
Materials Research Society Symposium - Proceedings, 2001, v. 652, p. Y8131-Y8136 How to Cite?
AbstractIn a γ/γ nickel-aluminum alloy, a new phase has been identified along grain boundaries by conventional transmission electron microscopy. This phase is identified to be of the C6Cr23 type structure with lattice parameter 10.48Å, which is approximately three times that of Ni3Al or nickel. This grain boundary precipitate is found to be coherent with the γ phase in one grain. The chemical composition of this grain boundary precipitate is determined by energy dispersive x-ray spectroscopy and parallel electron energy loss spectroscopy. The deformation mechanism of this grain boundary precipitate is investigated on post-mortem specimens which have been carefully deformed by nanoindentation after jet-polishing.
Persistent Identifierhttp://hdl.handle.net/10722/44944
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorChiu, YLen_HK
dc.contributor.authorNgan, AHWen_HK
dc.contributor.authorJones, IPen_HK
dc.date.accessioned2007-10-30T06:14:00Z-
dc.date.available2007-10-30T06:14:00Z-
dc.date.issued2001en_HK
dc.identifier.citationMaterials Research Society Symposium - Proceedings, 2001, v. 652, p. Y8131-Y8136en_HK
dc.identifier.issn0272-9172en_HK
dc.identifier.urihttp://hdl.handle.net/10722/44944-
dc.description.abstractIn a γ/γ nickel-aluminum alloy, a new phase has been identified along grain boundaries by conventional transmission electron microscopy. This phase is identified to be of the C6Cr23 type structure with lattice parameter 10.48Å, which is approximately three times that of Ni3Al or nickel. This grain boundary precipitate is found to be coherent with the γ phase in one grain. The chemical composition of this grain boundary precipitate is determined by energy dispersive x-ray spectroscopy and parallel electron energy loss spectroscopy. The deformation mechanism of this grain boundary precipitate is investigated on post-mortem specimens which have been carefully deformed by nanoindentation after jet-polishing.en_HK
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dc.languageengen_HK
dc.publisherMaterials Research Society. The Journal's web site is located at http://www.mrs.org/publications/epubs/proceedings/spring2004/index.htmlen_HK
dc.relation.ispartofMaterials Research Society Symposium - Proceedingsen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsMaterials Research Society Symposium Proceedings. Copyright © Materials Research Society.en_HK
dc.subjectPhysics engineering chemistryen_HK
dc.titleThe effects of a new grain boundary phase in Ni-Al alloyen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0272-9172&volume=652&spage=Y8.13.1&epage=Y8.13.6&date=2001&atitle=The+effects+of+a+new+grain+boundary+phase+in+Ni-Al+alloyen_HK
dc.identifier.emailNgan, AHW:hwngan@hkucc.hku.hken_HK
dc.identifier.authorityNgan, AHW=rp00225en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.scopuseid_2-s2.0-0035559728en_HK
dc.identifier.hkuros68819-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035559728&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume652en_HK
dc.identifier.spageY8131en_HK
dc.identifier.epageY8136en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridChiu, YL=7202775086en_HK
dc.identifier.scopusauthoridNgan, AHW=7006827202en_HK
dc.identifier.scopusauthoridJones, IP=34770157200en_HK

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