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Effect of Post-Weld Heat Treatment on the Microstructure and Mechanical Properties of Electron Beam Welded Mn-Mo-Ni Low Alloy Steel for Reactor Pressure Vessels
원자로압력용기용 Mn-Mo-Ni계 저합금강 전자빔용접부의 용접후열처리 조건에 따른 미세조직과 기계적 특성의 변화
Seung Uk Lee, Se-Mi Hyun, Min-Chul Kim, Seokmin Hong, Jong Min Kim, Soo Yeol Lee
이승욱, 현세미, 김민철, 홍석민, 김종민, 이수열
Korean J. Met. Mater. 2025;63(6):399-409.   Published online 2025 Jun 5
DOI: https://doi.org/10.3365/KJMM.2025.63.6.399

Abstract
This study investigates the effect of electron beam welding (EBW) on SA508 Gr.3 Cl.1 Mn-Mo-Ni low alloy steel, focusing on changes in the microstructural and mechanical properties of the weld and heat-affected zone (HAZ) under various post-weld heat treatment (PWHT) conditions. The rapid cooling inherent in the EBW process led..... More

                
The Effects of Post-Weld Heat Treatment on the Microstructure and Mechanical Properties of 9% Ni Steel Weld Joint with Fe-Based Filler Material
Fe계 합금 용가재가 적용된 9% Ni강 용접 조인트의 미세조직과 기계적 특성에 미치는 용접 후 열처리의 영향
Kwangsu Choi, Hyo Yun Jung
최광수, 정효연
Korean J. Met. Mater. 2023;61(9):669-678.   Published online 2023 Aug 30
DOI: https://doi.org/10.3365/KJMM.2023.61.9.669

Abstract
A Fe-based filler material with the composition of Fe-20Ni-5Co-2.5Mn-0.2C was used for welding 9% Ni steel, and the effect of post-weld heat treatment on the microstructure and mechanical properties of the welded joints was investigated. Post-weld heat treatment of the welded joint was performed in the temperature range of 200..... More

                   Web of Science 1  Crossref 1
PWHT Cracking Susceptibility in the HAZ of Martensitic 10Cr Steel for A-USC Power Plant
극초임계압 화력발전소용 마르텐사이트계 10Cr 내열강 열영향부의 용접후열처리 균열 감수성
Minjeong Kim, Yongjoon Kang, Namkyu Kim, Sanghoon Lee, Sangwoo Song, Namhyun Kang
김민정, 강용준, 김남규, 이상훈, 송상우, 강남현
Korean J. Met. Mater. 2019;57(7):430-437.   Published online 2019 Jun 5
DOI: https://doi.org/10.3365/KJMM.2019.57.7.430

Abstract
In this study, the post-weld heat treatment (PWHT) cracking susceptibility in the heat affected zone (HAZ) of martensitic 10Cr steel was evaluated. The specimens taken from the 10Cr steel were thermally cycled using a Gleeble to simulate HAZ 1 (δ-ferrite) and HAZ 2 (single phase, γ). HAZ 2 had martensite..... More

                   Web of Science 5  Crossref 3
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