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Article: Crystal growth in deformed metals by an impingement and spheroidisation process

TitleCrystal growth in deformed metals by an impingement and spheroidisation process
Authors
KeywordsGrain Growth Exponent
Orientation Pinning
Recrystallisation
Spheroidisation
Textures
Issue Date2004
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/actamat
Citation
Acta Materialia, 2004, v. 52 n. 2, p. 387-393 How to Cite?
AbstractIn a detailed scanning electron microscope study of the recrystallisation of an IF steel it was observed that the new grains went through an equiaxed stage which became elongated along the rolling direction and then became equiaxed again when recrystallisation was complete. A theory of how the final crystal structure arises from the deformed matrix is proposed in which grain impingement during growth, when it involves orientation pinning, is followed by crystal aggregate spheroidisation to give the final polycrystalline structure. This means that a proportion of grains in a recrystallised aggregate have arisen from several separate nucleation events. The model, which is general, has implications for texture formation and can apply to both primary and secondary recrystallisation. It can also explain why the grain growth exponent is usually measured to be between 2 and 3. © 2003 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/174056
ISSN
2015 Impact Factor: 5.058
2015 SCImago Journal Rankings: 3.683
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorDuggan, BJen_US
dc.contributor.authorTse, YYen_US
dc.date.accessioned2012-11-14T06:20:26Z-
dc.date.available2012-11-14T06:20:26Z-
dc.date.issued2004en_US
dc.identifier.citationActa Materialia, 2004, v. 52 n. 2, p. 387-393en_US
dc.identifier.issn1359-6454en_US
dc.identifier.urihttp://hdl.handle.net/10722/174056-
dc.description.abstractIn a detailed scanning electron microscope study of the recrystallisation of an IF steel it was observed that the new grains went through an equiaxed stage which became elongated along the rolling direction and then became equiaxed again when recrystallisation was complete. A theory of how the final crystal structure arises from the deformed matrix is proposed in which grain impingement during growth, when it involves orientation pinning, is followed by crystal aggregate spheroidisation to give the final polycrystalline structure. This means that a proportion of grains in a recrystallised aggregate have arisen from several separate nucleation events. The model, which is general, has implications for texture formation and can apply to both primary and secondary recrystallisation. It can also explain why the grain growth exponent is usually measured to be between 2 and 3. © 2003 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/actamaten_US
dc.relation.ispartofActa Materialiaen_US
dc.subjectGrain Growth Exponenten_US
dc.subjectOrientation Pinningen_US
dc.subjectRecrystallisationen_US
dc.subjectSpheroidisationen_US
dc.subjectTexturesen_US
dc.titleCrystal growth in deformed metals by an impingement and spheroidisation processen_US
dc.typeArticleen_US
dc.identifier.emailDuggan, BJ: bjduggan@hkucc.hku.hken_US
dc.identifier.authorityDuggan, BJ=rp01686en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.actamat.2003.09.021en_US
dc.identifier.scopuseid_2-s2.0-0348046430en_US
dc.identifier.hkuros90658-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0348046430&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume52en_US
dc.identifier.issue2en_US
dc.identifier.spage387en_US
dc.identifier.epage393en_US
dc.identifier.isiWOS:000188550100013-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridDuggan, BJ=7005772998en_US
dc.identifier.scopusauthoridTse, YY=7005116855en_US

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