Study on Carbonitride Precipitating Process in Nb-V Micro-Alloyed Steel

Abstract:

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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.

Info:

Periodical:

Materials Science Forum (Volumes 654-656)

Main Theme:

Edited by:

Jian-Feng Nie and Allan Morton

Pages:

114-117

DOI:

10.4028/www.scientific.net/MSF.654-656.114

Citation:

W. Q. Liu et al., "Study on Carbonitride Precipitating Process in Nb-V Micro-Alloyed Steel", Materials Science Forum, Vols. 654-656, pp. 114-117, 2010

Online since:

June 2010

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$35.00

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