Study on carbonitride precipitating process in Nb-V micro-alloyed steel

Wen-qing Liu, Xiao-yong Zhu, Xiao-jiao Wang, Xiang-Yuan Xiong

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Abstract

The carbonitrides precipitates in Nb-V micro-alloyed steels were investigated by 3DAP. Much difference in the composition and size of the precipitates were observed. It is proposed that the carbon atoms segregated first at the dislocation or vacancy, and the vanadium and niobium atoms diffused to these sites to form the V-C, V-Nb-C clusters, leading to the formation of (Nb,V)C complex phase. The composition becomes inhomogeneity as the precipitates grow up.
Original languageEnglish
Title of host publicationMaterials Science Forum
EditorsJian-Feng Nie, Allan Morton
Place of PublicationSwitzerland
PublisherTrans Tech Publications
Pages114 - 117
Number of pages4
Volume654-656
ISBN (Print)1662-9752
DOIs
Publication statusPublished - 2010
EventPacific Rim International Congress on Advanced Materials and Processing 2010 - Cairns Qld Australia, Cairns, Australia
Duration: 2 Aug 20106 Aug 2010
Conference number: 7th

Conference

ConferencePacific Rim International Congress on Advanced Materials and Processing 2010
Abbreviated titlePRICM-7
CountryAustralia
CityCairns
Period2/08/106/08/10

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