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Effect of Carbon Content on Stacking Fault Energy of Fe-20Mn-3Cu TWIP Steel 被引量:1
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作者 Xian PENG ding-yi zhu +3 位作者 Zhen-ming HU Ming-jie WANG Long-long LIU Hai-jun LIU 《Journal of Iron and Steel Research International》 SCIE EI CAS CSCD 2014年第1期116-120,共5页
The influence of carbon content on the stacking fault energy (SFE) of Fe-20Mn-3Cu twinning-induced plasticity (TWIP) steel was investigated by means of X-ray diffraction peak-shift method and thermodynamic modelin... The influence of carbon content on the stacking fault energy (SFE) of Fe-20Mn-3Cu twinning-induced plasticity (TWIP) steel was investigated by means of X-ray diffraction peak-shift method and thermodynamic modeling. The experimental result indicated that the stacking fault probability decreases with increasing carbon addition, the SFE increases linearly when the carbon content in mass percent is between 0.23 M and 1.41%. The thermody namic calculation results showed that the SFE varied from 22.40 to 29.64 mJ ~ m 2 when the carbon content in mass percent changes from 0.23 % to 1.41%. The XRD analysis revealed that all steels were fully austenitic before and after deformation, which suggested that TWIP effect is the predominant mechanism during the tensile deformation process of Fe-20Mn-3Cu-XC steels. 展开更多
关键词 stacking fault energy carbon content peak-shift method thermodynamic modeling TWIP steel
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