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Optimization of Pretreatment and Strike Plating Process for Direct Gold Plating on Molybdenum Substrates
몰리브덴 기판상의 직접 금 도금을 위한 전처리 및 스트라이크 공정 최적화
Yuju Jeon, Seil Kim, Yangdo Kim, Kyu Hwan Lee
전유주, 김세일, 김양도, 이규환
Korean J. Met. Mater. 2025;63(7):475-482.   Published online 2025 Jul 1
DOI: https://doi.org/10.3365/KJMM.2025.63.7.475

Abstract
The pre-treatment and gold (Au) strike plating process are optimized in this study to enhance the adhesion strength of Au plating on molybdenum (Mo) substrates. Mo demonstrates exceptional high-temperature stability and mechanical strength. It is applied to various fields including aerospace, military, and electronics, either in its uncoated form or..... More

    
Comparison of Low Cryogenic Impact Toughness and Microstructure of GMAW (Gas Metal Arc Welding) and GTAW (Gas Tungsten Arc Welding) Weld Zone in 304L Stainless Steel for Liquid Hydrogen Tank
액화수소 저장 용기 제작을 위한 304L 스테인리스 강의 GMAW (Gas Metal Arc Welding) 및 GTAW (Gas Tungsten Arc Welding) 용접부의 초저온 충격인성 및 미세조직 비교
JaeHan Park, JeongYeol Park, YangDo Kim, ChangWook Ji
박재한, 박정열, 김양도, 지창욱
Korean J. Met. Mater. 2025;63(5):344-355.   Published online 2025 May 5
DOI: https://doi.org/10.3365/KJMM.2025.63.5.344

Abstract
To combat global climate change caused by CO2 emissions, achieving net-zero emissions through sustainable energy solutions is a global priority. Among alternative energy carriers, hydrogen is a promising renewable energy source due to its efficiency in production, transportation, and storage. Liquefied hydrogen (LH2) transportation is gaining attention as it significantly..... More

                
Facile Electrode Manufacturing Strategy for Ultra-Low Cobalt Consumption in Oxygen Evolution Reaction
Hee Yoon Roh, Ki-Yong Yoon, Jaehoon Jeong, Kyung-Bok Lee, Dohyung Kim, Yangdo Kim, Juchan Yang
Korean J. Met. Mater. 2025;63(2):168-176.   Published online 2025 Feb 5
DOI: https://doi.org/10.3365/KJMM.2025.63.2.168

Abstract
Water splitting is a sustainable method of hydrogen production that is crucial for achieving carbon neutrality. However, the high cost of green hydrogen remains a major challenge. One strategy to reduce costs is the use of non-precious metal catalysts, such as Co, which is known for its excellent catalytic properties...... More

                
Performance Trade-Off in Nickel-Based Hydrogen Evolution Catalysts for Anion Exchange Membrane Water Electrolysis: Effects of the Nickel Oxidation State and Particle Size
음이온 교환막 수전해용 니켈 기반 수소 발생 반응 촉매의 니켈 산화수 및 입자 크기에 따른 성능 트레이드 오프 연구
Jaehun Lee, Nam In Kim, Song Jin, Junyoung Park, Jun Seok Ha, Chiho Kim, Jooyoung Lee, Yangdo Kim, Sung Mook Choi
이재훈, 김남인, 진송, 박준영, 하준석, 김치호, 이주영, 김양도, 최승목
Korean J. Met. Mater. 2025;63(2):161-167.   Published online 2025 Feb 5
DOI: https://doi.org/10.3365/KJMM.2025.63.2.161

Abstract
The development of green hydrogen through anion exchange membrane water electrolysis (AEMWE) is essential for achieving carbon neutrality. Developing non-precious-metal catalysts for the hydrogen evolution reaction (HER) is crucial for the commercialization of AEMWE. In this study, Ni-CeO2/C catalysts were synthesized via a co-precipitation method and a reduction heat treatment..... More

                
Development of Ternary Layered Double Hydroxide Oxygen Evolution Reaction Electrocatalyst for Anion Exchange Membrane Water Electrolysis
음이온교환막 수전해를 위한 3원계 층상 이중 수산화물 산소 발생 반응 촉매 개발
Shin-Woo Myeong, Song Jin, Chiho Kim, Jooyoung Lee, Yangdo Kim, Sung Mook Choi
명신우, 진송, 김치호, 이주영, 김양도, 최승목
Korean J. Met. Mater. 2024;62(6):472-479.   Published online 2024 May 31
DOI: https://doi.org/10.3365/KJMM.2024.62.6.472

Abstract
To achieve net zero emissions, green hydrogen should be produced via water electrolysis with renewable energy. To develop efficient anion exchange membrane water electrolyzers (AEMWE), the development of efficient and stable non-precious metal electrocatalysts for the oxygen evolution reaction (OER) is essential. In this study, a high-performance ternary NiFeCo-layer double..... More

                   Web of Science 1  Crossref 1
Effect of P/Al Molar Ratio and Curing Conditions of CBAPC Binder on Flexural Strength and Moisture Resistance of Artificial Sand Core
CBAPC 바인더로 제조한 인공사 중자의 강도 및 내습성에 미치는 P/Al 몰 비와 경화 조건의 영향
Hyeon Gon Oh, DongKook Park, Yangdo Kim, Man Sig Lee
오현곤, 박동국, 김양도, 이만식
Korean J. Met. Mater. 2019;57(12):808-816.   Published online 2019 Nov 22
DOI: https://doi.org/10.3365/KJMM.2019.57.12.808

Abstract
CBAPC (chemically bonded aluminum phosphate ceramic) binders have various advantages, including superior corrosion resistance and strength at high temperature. They are also a non-toxic and eco-friendly material. We investigated an inorganic binder based on CBAPC using artificial sand for casting. The CBAPC binders were synthesized with various P/Al molar ratios..... More

                   Crossref 1
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