Effect of Thermomechanical Controlled Processing and Quenching & Tempering on the Structure and Properties of Bainite-Martensite Steels

• Autorzy: Mandal G. , Ghosh S. K. , Chatterjee S.

Identyfikatory

DOI

10.24425/amm.2020.132832

• Języki publikacji: EN

Abstrakty

EN

In the present time, advanced high strength steel (AHSS) has secured a dominant place in the automobile sector due to its high strength and good toughness along with the reduced weight of car body which results in increased fuel efficiency, controlled emission of greenhouse gases and increased passengers’ safety. In the present study, four new advanced high strength steels (AHSS) have been developed using three different processing routes, i.e., thermomechanical controlled processing (TMCP), quenching treatment (Q_T ), and quenching & tempering (Q&T) processes, respectively. The current steels have achieved a better combination of the high level of strength with reasonable ductility in case of TMCP as compared to the other processing conditions. The achievable ultrahigh strength is primarily attributed to mixed microstructure comprising lower bainite and lath martensite as well as grain refinement and precipitation hardening.

Słowa kluczowe

EN

steels; TMCP; heat treatment; microstructure; mechanical properties

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2020
• Tom: Vol. 65, iss. 2
• Strony: 861--868
• Opis fizyczny: Bibliogr. 35 poz., fot., rys., tab., wzory

Twórcy

autor

Mandal G.

• Indian Institute of Engineering Science and Technology, Department of Metallurgy and Materials Engineering Shibpur, Howrah-711103, West Bengal, India

autor

Ghosh S. K.

• Indian Institute of Engineering Science and Technology, Department of Metallurgy and Materials Engineering Shibpur, Howrah-711103, West Bengal, India

autor

Chatterjee S.

• Indian Institute of Engineering Science and Technology, Department of Metallurgy and Materials Engineering Shibpur, Howrah-711103, West Bengal, India

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).