Wang Huaming
Institute of Metal Research, Academia Sinica

Shao Hesheng  Qu Jingxing
Beijing Graduate School, China University of Mining & Technology

Zhang Qing
Central Iron and Steel Research Institute

Abstract:  The two-body abrasion behaviour f the newly developed austenite-bainitic ferrite dual-phase steels was studied in this paper. The results show that the dual-phase steel with good combination of high yield strength, toughness and strain-hardening ability possesses excellent wear resistance in high stress two-body abrasion system. The dual-phase structures is much more abrasion resistant than the quenched and tempered structure of the same steel at the case of equivalent hardness. It is found that the outstanding wear resistance of the dual-phase steel is attributed to its excellent combination of the high work-hardening ability and the good toughness.

Key words: Wear resistance  Dual-phase steel  Austenite  Work-hardening

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