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Effects of Tempering Condition on the Microstructure and Mechanical Properties of 30MnB5 Hot-Stamping steel
핫스탬핑용 30MnB5강의 템퍼링 조건에 따른 미세조직 및 기계적 물성 연구
Junyeong Jeong, Sang-Cheon Park, Ga-Young Shin, Chang Wook Lee, Tae-Jeong Kim, Min-Su Choi
정준영, 박상천, 신가영, 이창욱, 김태정, 최민수
Korean J. Met. Mater. 2018;56(11):787-795.   Published online 2018 Nov 5
DOI: https://doi.org/10.3365/KJMM.2018.56.11.787

Abstract
The effects of tempering condition on the microstructure and mechanical properties of 30MnB5 hot stamping steel were investigated in this study. Before the tempering, hot-stamped 30MnB5 steel was composed of only α′-martensite microstructure without precipitates. After the tempering at 180 ℃ for 120 min, nano-sized ε-carbides were precipitated in the..... More

                        
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