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SCIE SCOPUS
고장력 Mn - Si 강에서의 잔류오스테나이트와 기계적 성질에 관한 연구
A Study on the Retained Austenite and Mechanical Properties of High Strength Mn - Si Steel
지충수(Choong Soo Chi), 이후철(Hu Chul Lee), 김상주(Sang Joo Kim)
UCI I410-ECN-0102-2008-580-001857860

The behavior of retained austenite during cyclic heat treatment and deformation in medium carbon Mn-Si steel was investigated using electron microscope. The orientation relation between the austenite and martensite satisfies both K-S and N-W relationships. Austenite was retained as thin films when quenched from γrange and as isolated islands when quenched from (α+γ) range. The amount of retained austenite tends to decrease with increased quench temperature upto 1100℃. The retained austenite was mostly strain induced transformed to martensite in the early stage (1-5%) of tensile deformation The strain hardening exponent and total elongation were increased with increased volume fraction of retained austenite.

[자료제공 : 네이버학술정보]
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