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Resolving the morphology of niobium carbonitride nano-precipitates in steel using atom probe tomography.
Breen, Andrew J; Xie, Kelvin Y; Moody, Michael P; Gault, Baptiste; Yen, Hung-Wei; Wong, Christopher C; Cairney, Julie M; Ringer, Simon P.
Afiliação
  • Breen AJ; 1School of Aerospace,Mechanical and Mechatronic Engineering,The University of Sydney,NSW 2006,Australia.
  • Xie KY; 3School of Mechanical Engineering,Johns Hopkins University,Baltimore,MD 21218-2682,USA.
  • Moody MP; 4Department of Materials,University of Oxford,Parks Road,OX13PH,Oxford,UK.
  • Gault B; 4Department of Materials,University of Oxford,Parks Road,OX13PH,Oxford,UK.
  • Yen HW; 1School of Aerospace,Mechanical and Mechatronic Engineering,The University of Sydney,NSW 2006,Australia.
  • Wong CC; 5Department of Psychology,The University of Sydney,NSW 2006,Australia.
  • Cairney JM; 1School of Aerospace,Mechanical and Mechatronic Engineering,The University of Sydney,NSW 2006,Australia.
  • Ringer SP; 1School of Aerospace,Mechanical and Mechatronic Engineering,The University of Sydney,NSW 2006,Australia.
Microsc Microanal ; 20(4): 1100-10, 2014 Aug.
Article em En | MEDLINE | ID: mdl-25410602
ABSTRACT
Atom probe is a powerful technique for studying the composition of nano-precipitates, but their morphology within the reconstructed data is distorted due to the so-called local magnification effect. A new technique has been developed to mitigate this limitation by characterizing the distribution of the surrounding matrix atoms, rather than those contained within the nano-precipitates themselves. A comprehensive chemical analysis enables further information on size and chemistry to be obtained. The method enables new insight into the morphology and chemistry of niobium carbonitride nano-precipitates within ferrite for a series of Nb-microalloyed ultra-thin cast strip steels. The results are supported by complementary high-resolution transmission electron microscopy.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Revista: Microsc Microanal Ano de publicação: 2014 Tipo de documento: Article País de afiliação: Austrália
Texto completo
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Base de dados: MEDLINE Idioma: En Revista: Microsc Microanal Ano de publicação: 2014 Tipo de documento: Article País de afiliação: Austrália