Control of Martensitic Morphology in Thermal-Mechanical Processing of Ferrous Alloys

Abstract:

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The quantitative relationships are suggested that the applied stress decreases the nucleation barrier and activation energy of nucleation of martensitic transformation, and strain increases the nucleus sites. Taking Fe-20Ni-0.5C and Fe-25Ni-0.66C alloys as examples, their different martensitic morphologies in thermal-mechanical processing can be explained and the origin of such a difference may be revealed based on the above theoretical analysis. Accordingly, the control of martensitic morphologies in thermal-mechanical processing of ferrous alloys will become possible.

Info:

Periodical:

Materials Science Forum (Volumes 475-479)

Main Theme:

Edited by:

Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie

Pages:

69-72

DOI:

10.4028/www.scientific.net/MSF.475-479.69

Citation:

Q.P. Meng et al., "Control of Martensitic Morphology in Thermal-Mechanical Processing of Ferrous Alloys", Materials Science Forum, Vols. 475-479, pp. 69-72, 2005

Online since:

January 2005

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$35.00

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