2005•Journal Os Southern Institute of MetallurgyRequires access

Research on Transformation and Microstructure of C-Si-Mn TRIP Steel during Continuous Cooling after Ausforming

Fang Yuan

Abstract

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

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