CML [CML] Prof. Dong Woo Suh:Quenching and partitioning (Q&P) processed medium Mn steel starting from he…
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댓글 0건 조회 636회 작성일 2020-09-01 15:25
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We examine the microstructure and tensile properties of the quenching and partitioning (Q&P) processed medium Mn steels having different starting microstructure. Heterogeneous Mn distribution led by intercritical annealing prior to the Q&P process is more effective in retaining higher fraction of austenite; a major fraction of austenite exists as Mn-rich islands surrounded by martensite. Starting with uneven Mn distribution prior to the Q&P process enhanced the austenite stability by high Mn concentration and shielding effect by neighboring martensite. It contributed to the impressive tensile properties by operating multiple plasticity mechanisms: transformation- induced plasticity (TRIP) with twinning-induced plasticity (TWIP).
관련링크
- 이전글[CML]Prof.Dong-Woo Suh: Microstructure and tensile properties of chemically heterogeneous steel consisting of martensite and austenite 22.06.14
- 다음글[CML] Prof. Dong Woo Suh:Analysis of transformation stasis by the Gibbs energy balance (GEB) approach modified to consider carbon redistribution int .… 20.09.01
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