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    TIAN Jing, LIU Jin, YANG Wang-yue, SUN Zu-qing, SHU Tao. Effect of Carbon Element on Critical Strain for Completion of DEFT[J]. Materials and Mechanical Engineering, 2007, 31(1): 5-7.
    Citation: TIAN Jing, LIU Jin, YANG Wang-yue, SUN Zu-qing, SHU Tao. Effect of Carbon Element on Critical Strain for Completion of DEFT[J]. Materials and Mechanical Engineering, 2007, 31(1): 5-7.
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    Effect of Carbon Element on Critical Strain for Completion of DEFT

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    • Based on the mechanism of deformation enhanced ferrite transformation (DEFT),the effect of carbon on the critical strain (εc) for the completion of DEFT was investigated when the undercooled austenite in two different low carbon-manganese steels was deformed at 780,750 ℃ and strain rate of 10 s-1,respectively.The carbon has strong effect on εc effect is exhibited by microstructural evolution and transformation kinetics.The critical strain εc increase and the incubation period is prolonged obviously with increase of carbon.In addition,ferritic grain size decreases with carbon increasing.
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