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| 1 | Static Recrystallization Behavior of 316LN Austenitic Stainless Steel显示文摘The static recrystallization of 316LN austenitic stainless steel was studied by double-pass hot compression tests on a Gleeble-3500thermomechanical simulator.The specimens were compressed at the deformation temperatures of 950,1 050,1 150℃,strain rates of 0.01,0.1,1s-1,strains of 0.1,0.15,0.2,and intervals of 1-100s.The results show that the volume fraction of static recrystallization of 316LN increases with the increase of deformation temperature,strain rate,strain and interval,which indicates that static recrystallization occurs easily under the conditions of higher deformation temperature,higher strain rate and larger strain.Deformation temperature has significant influence on static recrystallization of 316LN.The volume fraction of static recrystallization could easily reach 100%at higher deformation temperatures.By microstructure analysis,it can be concluded that the larger the volume fraction of static recrystallization,the more obvious the grain refinement.The static recrystallization activation energy of 317 882J/mol and the exponent nof 0.46were obtained.The static recrystallization kinetics was established.The predicted volume fraction of static recrystallization is in good agreement with the experimental results. | JIN Miao LU Bo LIU Xin-gang GUO Huan JI Hai-peng GUO Bao-feng | 2013 | Journal of Iron and Steel Research(International)2013，20，11： | 5 |
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