Role of Dilatometrical Measurements in the Development of Multiphase Steels

材料热处理学报, 2004, 25(5): 41-44.

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1.Bay Zoltan Institute of Materials Science and Technology, Budapest, Hungary

2.Bay Zoltan Institute of Materials Science and Technology, Budapest, Hungary

3.Bay Zoltan Institute of Materials Science and Technology, Budapest, Hungary

4.School of Materials Science and Engineering Shanghai Jiao Tong University, Shanghai, China

基金项目: The authors gratefully acknowledge the financial supports from the(CHN-25/03)

Role of Dilatometrical Measurements in the Development of Multiphase Steels

Keywords： Dilatometry

Possibilities of means of dilatometry in connection with production of multiphase (DP- and TRIP-) steels were examined in detail. These steels are characterized by an excellent combination of high strength and good press formability,which are essentially important in the automotive industry. Transformation processes, cooling rates, holding temperatures,composition and technological parameters play a very important role in formation of applicable microstructure of multiphase steels. Dilatometrical experiments were carried out to study the processes of intercritical annealing and hot rolling of several DP- and TRIP-steels.

参考文献

[1]	W Bleck;A Frehn;J Ohlert.Niobium in Dual Phase and TRIP Steel[A].Orlando (Fl,2001

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Role of Dilatometrical Measurements in the Development of Multiphase Steels

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