Prof. KyongHo Sim | Materials Science and Technology | Best Researcher Award
Professor at Kim Chaek University of Technology, North Korea.
Prof. Kyong Ho Sim is a materials scientist and academic at Kim Chaek University of Technology, where he has contributed to the field of advanced structural materials since 2010. His doctoral work, completed in collaboration with Harbin Institute of Technology, focused on the microstructural development and mechanical performance of ultra-high strength alloys using powder metallurgy techniques. His expertise in modeling hot deformation behavior and developing processing routes for next-generation materials places him at the forefront of metallurgical research in the region. Prof. Sim is especially known for his work on Ti₂AlNb alloys, which are key materials for aerospace and high-performance applications.
Professional Profile
🎓 Education
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B.Sc. in Materials Science and Technology, Kim Chaek University of Technology, North Korea, 2006
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Ph.D. in Materials Science and Engineering, Jointly pursued at Kim Chaek University of Technology and National Key Laboratory of Precision Hot Processing of Metals, Harbin Institute of Technology, China, awarded in 2022
💼 Experience
Prof. Kyong Ho Sim has been serving as a researcher at the Faculty of Materials Science and Technology, Kim Chaek University of Technology since 2010. Over the years, he has specialized in the thermo-mechanical processing of advanced engineering materials. His academic progression culminated in the successful completion of a Ph.D. program in 2022, during which he conducted research at the prestigious Harbin Institute of Technology’s National Key Laboratory. Prof. Sim has contributed significantly to the development of ultra-fine grained materials and constitutive modeling, with a focus on titanium-based and aluminum alloys used in high-strength and high-temperature applications.
🔬 Research Interests
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Thermo-mechanical processing of advanced engineering materials
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Powder metallurgy of ultra-fine grained alloys
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Hot deformation behavior of titanium alloys, ultra-high strength steels, and nickel-based superalloys
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Spark plasma sintering and mechanical alloying
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Constitutive modeling (Zerilli-Armstrong, Khan-Huang-Liang models)
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Microstructural evolution and mechanical property optimization of Ti₂AlNb-based intermetallics
Author Metrics
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Publications: Multiple articles published in SCI-indexed journals, especially in Journal of Alloys and Compounds and Vacuum
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Citation Highlights:
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Microstructure and mechanical properties of a Ti-22Al-25Nb alloy fabricated from elemental powders by mechanical alloying and spark plasma sintering, Journal of Alloys and Compounds, 704, 425–433 (2017)
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Modified Zerilli-Armstrong and Khan-Huang-Liang constitutive models to predict hot deformation behavior in a powder metallurgy Ti-22Al-25Nb alloy, Vacuum, 210, 111749 (2023)
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Areas of Impact: Powder metallurgy, thermomechanical processing, constitutive modeling, and advanced alloy design
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Collaborations: Cross-institutional research with Harbin Institute of Technology and regional research laboratories
Top Noted Publications:
1. Modified Zerilli-Armstrong and Khan-Huang-Liang Constitutive Models to Predict Hot Deformation Behavior in a Powder Metallurgy Ti-22Al-25Nb Alloy
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Journal: Vacuum
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Publication Year: 2023
- DOI: 10.1016/j.vacuum.2022.111749
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EID (Scopus): 2-s2.0-85146430765
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ISSN: 0042-207X
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Authors: Sim, K.H.; Ri, Y.C.; Jo, C.H.; Kim, O.J.; Kim, R.S.; Pak, H.
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Publisher: Elsevier
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Abstract Summary: This study applies modified Zerilli-Armstrong and Khan-Huang-Liang models to characterize the hot deformation behavior of a Ti-22Al-25Nb alloy processed via powder metallurgy, offering accurate predictions of flow stress under various thermomechanical conditions.
2. Constitutive Modeling of a Fine-Grained Ti₂AlNb-Based Alloy Fabricated by Mechanical Alloying and Subsequent Spark Plasma Sintering
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Journal: Advanced Engineering Materials
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Publication Year: 2021
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EID (Scopus): 2-s2.0-85097672128
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ISSN: 1527-2648 (Print), 1438-1656 (Online)
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Authors: Sim, K.-H.; Li, Y.C.; Li, C.-H.; Kim, M.-O.; Kim, H.-C.
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Publisher: Wiley-VCH
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Abstract Summary: The article investigates the flow stress behavior and constitutive equations for a fine-grained Ti₂AlNb alloy fabricated via mechanical alloying and spark plasma sintering, contributing to its potential applications in aerospace.
3. Effect of Sb–Ba–Ce–Si–Fe Post Inoculants on Microstructural and Mechanical Properties of As-Cast Pearlitic Ductile Iron
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Journal: Steel Research International
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Publication Year: 2019
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EID (Scopus): 2-s2.0-85059352544
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ISSN: 1869-344X (Print), 1611-3683 (Online)
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Authors: Lia, B.-G.; Sim, K.-H.; Kim, R.-C.
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Publisher: Wiley-VCH
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Abstract Summary: This work evaluates how different post-inoculant combinations affect the microstructure and mechanical performance of as-cast pearlitic ductile iron, optimizing properties for industrial applications.
4. FE Simulation of the Influence of Roll Diameter Difference on the Plate Curvature During Hot Plate Rolling
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Journal: Steel Research International
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Publication Year: 2019
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EID (Scopus): 2-s2.0-85044867339
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ISSN: 1869-344X (Print), 1611-3683 (Online)
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Authors: Son, R.-C.; Sim, K.-H.; Sin-Ho, O.
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Publisher: Wiley-VCH
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Abstract Summary: Finite element simulation is used to study how differences in roll diameter influence plate curvature during hot rolling, with implications for flatness control in steel production.
5. Status of Titanium Alloy Industry for Aviation in the World and Development Strategy of Chinese Enterprises
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Journal: DEStech Transactions on Social Science, Education and Human Science
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Publication Date: January 22, 2019
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ISSN: 2475-0042
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Authors: Kyong-Ho Sim; Guo-feng Wang; Tae-Jong Kim
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Publisher: DEStech Publications
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Abstract Summary: This article provides a strategic analysis of the global titanium alloy industry for aviation, with a focus on China’s competitive development and industrial outlook.
Conclusion:
Prof. KyongHo Sim exemplifies a high-impact researcher in the field of Materials Science and Technology, with a strong academic foundation, innovative modeling work, and significant contributions to next-generation alloy development. His demonstrated expertise in ultra-fine grained materials, thermo-mechanical processing, and constitutive modeling make him an excellent nominee for the Research for Best Researcher Award.
He is particularly deserving of recognition in categories such as:
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Advanced Alloy Research Award
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Best Researcher in Metallurgical Engineering Award
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Thermo-Mechanical Materials Innovation Award
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Titanium Alloy Research Excellence Award
With minor strategic improvements in global outreach and interdisciplinary expansion, he could become a leading voice in the global materials science research landscape.