2006•Research on Iron and SteelRequires access

Study on relationship between properties and martensite content and size of dual-phase steel

Cao Tong-you

Abstract

Four kinds of dual-phase steel with different morphology were developed by means of step quenching treatment routes.The research results showed that the maximum tensile strength of dual-phase steel raised with the increase of martensite content.The ferrite grain size of samples influenced the strength and elongation of dual-phase steels with different martensite contents.

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Key concepts: Martensite, Dual-phase steel, Materials science, Ultimate tensile strength, Elongation, Grain size, Ferrite (magnet), Metallurgy