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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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수정 용접 횟수에 따른 HY100강 용접 열영향부의 기계적 성질과 미세조직 거동
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김도섭, 최정현, 최동현, 문병록, 박수길, 강남현
Korean J. Met. Mater.
2025;63(2):121-131. Published online 2025 Feb 5
DOI:
https://doi.org/10.3365/KJMM.2025.63.2.121
Abstract
The mechanical properties and microstructural behaviors of multiple–repaired welds were investigated in the heat affected zone (HAZ) of HY100 steels. Test coupons were prepared from flux cored arc welds at the same location of weldments that had been repaired one, three and five times. The multiple–repaired welding caused continuous high.....
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엄해원, 원주연, 신상용
Korean J. Met. Mater.
2021;59(11):781-795. Published online 2021 Oct 28
DOI:
https://doi.org/10.3365/KJMM.2021.59.11.781
Abstract
The effects of cooling rate on the microstructure and cryogenic impact toughness of coarse-grained heat-affected zone (CGHAZ) and inter-critically reheated coarse-grained HAZ (IC CGHAZ) in 9% Ni steel were investigated. CGHAZ and IC CGHAZ specimens were prepared from 9% Ni steel by controlling the cooling rate of the simulated welding.....
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A516-65급 압력용기용 강재의 용접모사 열처리를 통한 용접열영향부의 수소확산 및 황화물응력균열 거동 연구
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조동민, 박진성, 이진우, 김성진
Korean J. Met. Mater.
2020;58(9):599-609. Published online 2020 Aug 13
DOI:
https://doi.org/10.3365/KJMM.2020.58.9.599
Abstract
Hydrogen diffusion and sulfide stress cracking of simulated heat-affected zone (HAZ) of A516- 65 grade steel were examined using an electrochemical permeation technique, glycerin volumetric method, and constant loading method. HAZ samples were fabricated using a metal thermal cycle simulator with a welding heat input of 20, 35, and 50.....
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Crossref 5
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