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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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S 첨가 및 시효열처리에 의한 오스테나이트계 경량철강의 절삭성 변화에 관한 연구
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이창욱, 김경원, 이창훈, 박형권, 박성준
Korean J. Met. Mater.
2025;63(2):109-120. Published online 2025 Feb 5
DOI:
https://doi.org/10.3365/KJMM.2025.63.2.109
Abstract
Machining processes are crucial in industrial applications for shaping steel into specific structural products, and represent a significant portion of the product cost. However, the machinability of lightweight steel is poor, and it exhibits the characteristics of difficult-to-machine materials. This study investigated the effect of adding sulfur on the machinability.....
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저온 템퍼링을 이용한 1.2 GPa급 페라이트계 경량철강 개발
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배효주, 고광규, 박형석, 정재석, 김정기, 성효경, 설재복
Korean J. Met. Mater.
2021;59(10):683-691. Published online 2021 Sep 6
DOI:
https://doi.org/10.3365/KJMM.2021.59.10.683
Abstract
Previously reported low-Mn ferritic-based lightweight steels are potential candidates for industrial applications, however, they typically exhibit lower strength, with < 1 GPa and lower strength-ductility balance, than medium- and high-Mn austenitic lightweight steels. Herein, we introduce a low-temperature tempering-induced partitioning (LTP) treatment that avoids the strength-ductility dilemma of low-Mn ferriticbased.....
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