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Modeling Kinetics of Deformation Induced Ferrite Transformation in Fe-C-Mn Alloy

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The influence of hot deformation on the incubation period of ferrite transformation was calculated to de termine the onset of deformation induced transformation.Temperature Ar3d depends on deformation condition and alloying composition,and decreases with increasing carbon content.When deformation induced ferrite transformation occurs,the flow curves of dislocation density will show strong softening characteristic.Through temperature heavy deformation,ferrite transformation is enhanced and more volume fraction is obtained.The simulated results are in good agreement with the experiment ones.

dislocation densityFe-C-Mn alloyultra-fine steellow temperature heavy deformation

XU Yun-bo、YU Yong-mei、LIU Xiang-hua、WANG Guo-dong

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Northeastern University,Shenyang 110004,China

国家自然科学基金辽宁省自然科学基金

5047086,5033401020041009

2005

钢铁研究学报(英文版)
钢铁研究总院

钢铁研究学报(英文版)

影响因子:0.584
ISSN:1006-706X
年,卷(期):2005.12(2)