Control of Martensitic Morphology in Thermal-Mechanical Processing of Ferrous Alloys |
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| Journal | Materials Science Forum (Volumes 475 - 479) |
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| Volume | PRICM-5 |
| 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., 2005, Materials Science Forum, 475-479, 69 |
| Online since | January, 2005 |
| Authors | Q.P. Meng, Yong Hua Rong, T.Y. Hsu |
| Keywords | Ferrous Alloys, Martensitic Transformation (MT), Nucleation Rate, Strain, Stress |
| Abstract | 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. |
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