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Evaluation and Prediction of Mechanical Properties According to Welding Methods of Ni 825/A516-70N Clad Plates
Ni 825/A516-70N 클래드 판재의 용접 방법의 차이에 의한 기계적 특성 평가 및 예측

Cheolhong Hwang, Jeongseok Oh, Jini Park, Myungwoo Joe, Sunhwan Kim, Kyunghoon Yoo, Sungwoong Kim, Youngjoo Kim, Sangyeob Lee, Joonsik Park
황철홍, 오정석, 박지니, 조명우, 김선환, 유경훈, 김성웅, 김영주, 이상엽, 박준식

Korean J. Met. Mater. 2024;62(11):844-856. Published online 2024 Nov 5
DOI: https://doi.org/10.3365/KJMM.2024.62.11.844

Abstract
In this study, the microstructures and mechanical properties of different methods of FCAW (Flux-cored arc welding) + FCAW or FCAW + GTAW (Gas tungsten arc welding) welding on Ni825/A516-70N clad plate were investigated, using a double U groove angle on a laboratory scale. The amount of specimen deformation with FCAW..... More

Web of Science 1 Crossref 1

Evaluation and Prediction of Formation of Heat-Affected Zone and Mechanical Properties According to Welding Method of STS 316L/A516-70N Clad Plates
STS 316L/A516-70N 클래드 판재의 용접방법에 따른 열영향부 형성과 기계적 물성 특성 평가 및 예측

Cheolhong Hwang, Myungwoo Joe, Sunhwan Kim, Doohee Han, Kyunghoon Yoo, Sungwoong Kim, Youngjoo Kim, Sangyeob Lee, Joonsik Park
황철홍, 조명우, 김선환, 한두희, 유경훈, 김성웅, 김영주, 이상엽, 박준식

Korean J. Met. Mater. 2022;60(12):873-883. Published online 2022 Nov 25
DOI: https://doi.org/10.3365/KJMM.2022.60.12.873

Abstract
Two welding methods of FCAW (Flux-cored arc welding) + FCAW, and FCAW + GTAW (Gas tungsten arc welding) were compared to identify effective routes for STS 316L/A516-70N clad stainless steel. Since the welding speed of the FCAW + GTAW welding method is slower than that of the FCAW + FCAW..... More

Web of Science 6 Crossref 6

Microstructures and Oxidation Behaviors of Silicide Coated Nb Alloys by Halide Activated Pack Cementation Process
Halide activated pack cementation에 의한 silicide 코팅층의 형성에 따른 Nb 합금의 산화거동

Wonchul Yang, Choong-Heui Chung, Sangyeob Lee, Kyeong Ho Baek, Youngmoo Kim, Seong Lee, Joon Sik Park
양원철, 정중희, 이상엽, 백경호, 김영무, 이성, 박준식

Korean J. Met. Mater. 2020;58(8):507-514. Published online 2020 Aug 5
DOI: https://doi.org/10.3365/KJMM.2020.58.8.507

Abstract
In this study, we tried to improve the oxidation resistance of Nb-12Si (wt%) alloys at 1200 °C or higher through pack cementation coatings. Nb-12Si (wt%) alloys were prepared by arc-melting under Ar atmosphere. When the alloys were coated using pack powder mixtures composed of Si, Al₂O₃ and NaF, two silicide..... More

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