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INFLUENCE OF AUSTENITE STRENGTHENING ON MARTENSITIC TRANSFORMATION IN Fe-Mn-C ALLOYS |
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| Authors: | PAN Mu XU Zuyao Shanghai Jiaotong University Shanghai China XU Zuy Professor Dept.of Materials Science Shanghai Jiaotong University Huashan Road Shanghai China |
| Affiliation: | PAN Mu XU Zuyao (T.Y.Hsu) Shanghai Jiaotong University,Shanghai,China XU Zuy(T.Y.Hsu),Professor,Dept.of Materials Science,Shanghai Jiaotong University,Huashan Road,Shanghai,China |
| Abstract: | The M_s temperature and the yield strength of austenite at M_s temperature have been meas- ured for five Fe-Mn-C alloys.The experimental results show that there is a linear relation- ship between them.The effect of the solution strengthening of austenite on martensite morphology is also studied.It is pointed out that there is a characteristic temperature T_c in austenite strengthening.Martensite morphology is mainly of dislocated laths when M_s>T_c, and is mainly of twinned plates when M_s |
| Keywords: | Fe-Mn-C alloy austenite strengthening martensitic transformation |
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