UHP Materials Processing Laboratory
UHP Materials Processing Laboratory
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The UHP Materials Processing Laboratory conducts cutting-edge research and advanced education on ultra-high-performance (UHP) metallic materials, with a strong focus on ultra-high-precision and ultra-high-purity materials processing technologies.
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Recent Research Highlights
Recent Research Highlights
Our recent research activities include:
Hot cracking mechanisms in welding and additive manufacturing (AM) of advanced superalloys for next-generation gas turbines and nuclear energy systems
Laser-based joining and packaging technologies for electric vehicle battery systems and power semiconductor modules
Phase-field–based and multiphysics computational modeling of solidification and hot cracking phenomena during advanced manufacturing processes
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Achievements Over the Past Three Years
Achievements Over the Past Three Years
More than 20 peer-reviewed journal publications addressing weld-induced hot cracking phenomena
Over 50 presentations at leading international academic and industrial conferences
Ten patent applications and granted patents on novel processing technologies for hot cracking mitigation and control in welding
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Vision
Advanced materials are only meaningful when they can be reliably implemented in real processes and systems.
We are committed to advancing predictive and reliable high-performance materials processing technologies to enable the practical implementation of advanced materials, thereby contributing to the development of next-generation energy and mobility systems through the integration of experimental investigation and computational materials science.
Key Publications (Last 3 years)
Key Publications (Last 3 years)
Min-chang Shin and Eun-Joon Chun*, Localized Crack-Free Welding for DS 247LC Superalloy Correlated with Single-Mode Fiber Laser and CET Theory, Korean Journal of Metals and Materials, 2025. https://doi.org/10.3365/KJMM.2025.63.11.887
Min-chang Shin and Eun-Joon Chun*, New Findings on Reduced Solidification Brittle Temperature Range in Epitaxially Grown CMSX-4 Superalloy Welds via Varestraint Testing, Materials Today Communications, 2025. https://doi.org/10.1016/j.mtcomm.2024.111201
Sung-Jin Lee and Eun-Joon Chun* et al., Effects of Hf and carbide formation behavior on solidification cracking susceptibilities of 247LC superalloy welds, Materials Chemistry and Physics, 2024. https://doi.org/10.1016/j.matchemphys.2024.129147.
Hye–Eun Jeong, and Eun-Joon Chun* et al., Effect of local carbide formation behavior on repair weld liquation cracking susceptibility for long-term-serviced 247LC superalloy, Journal of Materials Research and Technology, 2024. https://doi.org/10.1016/j.jmrt.2023.12.003.
Ye-Ji Lee and Eun-Joon Chun*, Correlation Between Solidification Cracking and Composition Distribution in Green Laser Welds of Lithium-Ion Battery Busbars, Korean Journal of Metals and Materials, 2025. https://doi.org/10.3365/KJMM.2025.63.5.356
Eun-Joon Chun* et al., Liquation Crack-free Welding Strategy for 247LC DS Superalloy by Control of Pipeline Diffusion via Ultra-high-speed Laser Beam Scanning, Science and Technology of Welding Joining, 2023. https://doi.org/10.1080/13621718.2023.2189367
Lab members
Lab members
Yeji You (yeji_you@pukyong.ac.kr): Precision joining techniques for power semiconductor module
Jungmin Oh (jmoh5@pukyong.ac.kr): Weldability assessment of heat-resistant alloys for Small Modular Reactor (SMR) applications
Heejin Shin (shjin01@pukyong.ac.kr): Welding technologies for Lithium-ion battery pack assembly
Sihyun Koo (tus0313@pukyong.ac.kr): Phase field modelling of weld hot cracking phenomena
Heeeun Kim (khe2883@pukyong.ac.kr): Phase field modelling of weld hot cracking phenomena
Career Paths of Alumni
Career Paths of Alumni
Broad Industrial Scope of Career Pathways !
Broad Industrial Scope of Career Pathways !
Through rigorous training in materials processing, solidification, welding, and advanced manufacturing, students of the UHP Materials Processing Laboratory develop a broad and versatile industrial perspective, enabling career opportunities across a wide spectrum of industries.
Our graduates are well prepared for careers in:
Major manufacturing and engineering companies
(e.g., automotive OEMs, shipbuilding companies, aerospace and defense manufacturers, energy system manufacturers, and battery and semiconductor manufacturers)Major materials and component suppliers closely linked to these industries
National research institutes and government-funded laboratories
Industry–Academia–Research Cooperative Ph.D. Programs, bridging industrial practice and advanced academic research
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In recent years, graduates of the UHP Materials Processing Laboratory have pursued careers and advanced training in the following organizations and programs:
Hanwha Ocean
Research Institute of Medium & Small Shipbuilding (RIMS)
Chosun Welding Co., Ltd.
Korea Institute of Materials Science (KIMS)
(Industry–Academia–Research Cooperative Ph.D. Program)
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