Abstract
Purpose: In this research, Q&P heat treatments in which the partitioning step is performed at a temperature equal to the quenching temperature were applied to a high Si and Mn steel and the mechanical properties of treated specimens were evaluated and discussed in continue. Design/methodology/approach: Chemical composition of base material is a significant subject that should be taken into account in Q&P process. The base material used in this research was a low alloy C-Mn-Si steel with a chemical composition similar to conventional TRIP-assisted steels. Findings: The products of tensile strength to total elongation of Q&P processed base material in this research were considerable comparing with similar heat treatments such as austempering and conventional quenching and tempering for industrial applications. Practical implications: According to the final results, considerable balances of strength and ductility were obtainable in Q&P treated specimens for application in automotive industrial such as B-pillar reinforcement, B-pillar inner, side member front floor, door panel inner, etc. Originality/value: of this paper is applying the Quenching &Partitioning (Q&P) as a novel heat treatment for excellent combinations of mechanical strength and ductility in steels components.
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