2005•Heat treatment of metalsRequires access

Phase Transformation and Microstructure of a TRIP Steel During Continuous Cooling After Ausforming

Yinghui Zhang, Yonglin Kang

Abstract

The phase transformation and microstructure of a C-Si-Mn TRIP steel during continuous cooling after ausforming were studied by hot simulation experiment machine.The continuous cooling transformation curves were drawn using thermal dilation method,and the influence of the cooling rate on the microstructure was analyzed.The results show that the area of the dynamic continuous cooling transformation curves includes two fields:proeutectoid ferrite is the transformation production in a field,bainite is in another.Bainite can be formed during the cooling rate at 10℃/s.The cooling rates have influence greatly on microstructure of ferrite and bainite.

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Available abstract

Key concepts: Bainite, Microstructure, Materials science, Continuous cooling transformation, Ferrite (magnet), Metallurgy, Transformation (genetics), Phase (matter)