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Thermal Stability of Retained Austenite in TRIP Steel After Different Treatments 被引量：5

Thermal Stability of Retained Austenite in TRIP Steel After Different Treatments
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摘要 Thermal decomposition of retained austenite in TRIP steel was investigated by means of differential scanning calorimetry（DSC）.The decomposition curve was abnormal,and the decomposition temperature and the activation energy were measured by the Kissinger method,which were all higher than those in quenched steel.The thermal decomposition data of samples soaked in liquid nitrogen after TRIP treatment were all similar to those without additional low temperature treatment.It indicated that there is a high thermal stability in retained austenite of the TRIP steel at low temperature,which was also proved by XRD analysis. Thermal decomposition of retained austenite in TRIP steel was investigated by means of differential scanning calorimetry（DSC）.The decomposition curve was abnormal,and the decomposition temperature and the activation energy were measured by the Kissinger method,which were all higher than those in quenched steel.The thermal decomposition data of samples soaked in liquid nitrogen after TRIP treatment were all similar to those without additional low temperature treatment.It indicated that there is a high thermal stability in retained austenite of the TRIP steel at low temperature,which was also proved by XRD analysis.
作者 SHI Wen LI Lin Bruno C De Cooman Patrick Wollants YANG Chun-xia
机构地区 Department of Material Science and Engineering Laboratory for Iron and Steel Making Department MTM
出处 《Journal of Iron and Steel Research International》 SCIE EI CAS CSCD 2008年第1期61-64,共4页
基金 Item Sponsored by National Natural Science Foundation of China(50171038) Belgium-China Bilateral Project BIL04/13
关键词 TRIP steel retained austenite thermal stability differential scanning calorimetry TRIP steel retained austenite thermal stability differential scanning calorimetry
分类号 TG14 [金属学及工艺—金属材料]
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参考文献7

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同被引文献29

  • 1JIANG Hai-tao1, DING Wei1,2, TANG Di1, HUANG Wei1 (1. National Engineering Research Center for Advanced Rolling Technology, University of Science and Technology Beijing, Beijing 100083, China,2. School of Material and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia, China).Mechanical Property and Microstructural Characterization of C-Mn-Al-Si Hot Dip Galvanizing TRIP Steel[J].Journal of Iron and Steel Research International,2012,19(8):29-36. 被引量：7
  • 2景财年,王作成,韩福涛.相变诱发塑性的影响因素研究进展[J].金属热处理,2005,30(2):26-31. 被引量：47
  • 3TIAN Rong,LI Lin,B C De Cooman,WEI Xi-chen,SUN Peng.Effect of Temperature and Strain Rate on Dynamic Properties of Low Silicon TRIP Steel[J].Journal of Iron and Steel Research International,2006,13(3):51-56. 被引量：5
  • 4LI Zhuang,WU Di,HU Rong.Austempering of Hot Rolled Si-Mn TRIP Steels[J].Journal of Iron and Steel Research International,2006,13(5):41-46. 被引量：5
  • 5Chang Gil Lee, Sung-Joon Kim, Tae Ho Lee, et al. Effects of Volume Fraction and Stability of Retained Austenite on Formability in a 0.1C 1.5Si-1.5Mn-0.5Cu TRIP Aided Cold-Rolled Steel Sheet[J]. Materials Science and Engineering, 2004,371 A: 16.
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  • 7DeMEYER M, Vanderschueren D, DeCOOMAN B C. The Influence of the Substitution of Si by Al on the Properties of Cold Rolled C-Mn Si TRIP Steels[J]. ISIJ International, 1999, 39(8): 813.
  • 8Jimenez Melero E, van Dijk N H, Zhao L, et al. Characterization of Individual Retained Austenite Grains and Their Stabili ty in Low Alloyed TRIP Steels[J]. Acta Materialia, 2007,55:6713.
  • 9van Dijk N H, Butt A M, Zhao L, et al. Thermal Stability of Retained Austenite in TRIP Steels Studied by Synchrotron X- Ray Diffraction During Cooling[J]. Acta Materialia,2005,53 : 5439.
  • 10Wang J J, Sybrand Van Der Zwaag. Stabilization Mechanisms of Retained Austenite in Transformation-Induced Plasticity Steel [J].Metallurgical and Materials Transactions,2001,32A (6) :1538.

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Journal of Iron and Steel Research International
2008年 第1期

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