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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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X-선 회절을 통한 적층제조 A356.2 알루미늄 합금의 잔류응력 분석
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박상철, 김인영, 김영일, 김대겸, 오승주, 이기안, 이빈
Korean J. Met. Mater.
2023;61(7):534-544. Published online 2023 Jun 21
DOI:
https://doi.org/10.3365/KJMM.2023.61.7.534
Abstract
The physical properties of metal-based structural materials, such as hardness, strength and toughness, are directly or indirectly affected by residual stress inside or on the surface of the given part. Repeated rapid heating and cooling during the additive manufacturing process causes thermal gradients and expansion and contraction in the material,.....
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Powder Bed Fusion(PBF) 공정의 Laser rotation 적용 여부에 따른 17-4PH 스테인리스강 소재의 미세조직 및 기계적 특성 변화
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이승호, 윤종천, 어두림, 연시모, 최균석
Korean J. Met. Mater.
2023;61(6):397-403. Published online 2023 May 18
DOI:
https://doi.org/10.3365/KJMM.2023.61.6.397
Abstract
17-4 precipitation hardened stainless steel (17-4PH SS) has been reported to have excellent mechanical properties and excellent corrosion resistance, and is one of the materials used and studied with the powder bed fusion (PBF) method. Powder bed fusion (PBF) is a new manufacturing technology that has recently attracted attention in.....
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