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| Hot Deformation Features of AISI403 Martensitic Stainless Steel |
| MA Long-teng1,2, WANG Li-min2, HU Jin1, LIU Zheng-dong2, ZHANG Xiu-li3 |
1. Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China;
2. Institute for Special Steels, Central Iron and Steel Research Institute, Beijing 100081, China;
3. Technical Center of Fushun Special Steel Co., Ltd., Dongbei Special Steel Group Co., Ltd., Fushun 113001, Liaoning, China |
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Abstract The hot compression experiment of AISI403 martensitic stainless steel was carried out by using Gleeble-1500D, and its flow stress was also investigated by means of microstructure analysis.The results show that the dynamic recrystallization of 403 steel occurs obviously at 950-1150℃ and strain rate from 0.01s-1 to 0.1s-1.The flow stress of 403 steel can be described well by a Zener-Hollomon parameter in the hyperbolic logarithm type equation.The regressed peak stress expression σP and the hot deformation activation energy Q of 403 steel during hot compression were concluded. Through the establishment of hot processing map, the best hot compression condition and the instability zones of flow behavior were acquired.
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Received: 04 May 2012
Published: 20 May 2013
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2013, Vol. 0 
