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Article: The effects of a new grain boundary phase in Ni-Al alloy
Title | The effects of a new grain boundary phase in Ni-Al alloy |
---|---|
Authors | |
Keywords | Physics engineering chemistry |
Issue Date | 2001 |
Publisher | Materials 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? |
Abstract | In 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 Identifier | http://hdl.handle.net/10722/44944 |
ISSN | 2019 SCImago Journal Rankings: 0.114 |
References |
DC Field | Value | Language |
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dc.contributor.author | Chiu, YL | en_HK |
dc.contributor.author | Ngan, AHW | en_HK |
dc.contributor.author | Jones, IP | en_HK |
dc.date.accessioned | 2007-10-30T06:14:00Z | - |
dc.date.available | 2007-10-30T06:14:00Z | - |
dc.date.issued | 2001 | en_HK |
dc.identifier.citation | Materials Research Society Symposium - Proceedings, 2001, v. 652, p. Y8131-Y8136 | en_HK |
dc.identifier.issn | 0272-9172 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/44944 | - |
dc.description.abstract | In 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 |
dc.format.extent | 702108 bytes | - |
dc.format.extent | 41180 bytes | - |
dc.format.extent | 310 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | text/plain | - |
dc.language | eng | en_HK |
dc.publisher | Materials Research Society. The Journal's web site is located at http://www.mrs.org/publications/epubs/proceedings/spring2004/index.html | en_HK |
dc.relation.ispartof | Materials Research Society Symposium - Proceedings | en_HK |
dc.rights | Materials Research Society Symposium Proceedings. Copyright © Materials Research Society. | en_HK |
dc.subject | Physics engineering chemistry | en_HK |
dc.title | The effects of a new grain boundary phase in Ni-Al alloy | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://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+alloy | en_HK |
dc.identifier.email | Ngan, AHW:hwngan@hkucc.hku.hk | en_HK |
dc.identifier.authority | Ngan, AHW=rp00225 | en_HK |
dc.description.nature | published_or_final_version | en_HK |
dc.identifier.scopus | eid_2-s2.0-0035559728 | en_HK |
dc.identifier.hkuros | 68819 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0035559728&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 652 | en_HK |
dc.identifier.spage | Y8131 | en_HK |
dc.identifier.epage | Y8136 | en_HK |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Chiu, YL=7202775086 | en_HK |
dc.identifier.scopusauthorid | Ngan, AHW=7006827202 | en_HK |
dc.identifier.scopusauthorid | Jones, IP=34770157200 | en_HK |
dc.identifier.issnl | 0272-9172 | - |