Author Page for Seok Su Sohn

Ultrastrong Duplex High-Entropy Alloy with 2 GPa Cryogenic Strength Enabled by an Accelerated Martensitic Transformation

Number of pages: 24 Posted: 22 May 2019

Dong Geun Kim, Yong Hee Jo, Junha Yang, Won-Mi Choi, Hyoung Seop Kim, Hyoung Seop Kim, Byeong-Joo Lee, Seok Su Sohn and Sunghak Lee

Pohang University of Science and Technology (POSTECH) - Center for High Entropy Alloys, Pohang University of Science and Technology (POSTECH) - Center for High Entropy Alloys, Pohang University of Science and Technology (POSTECH) - Center for High Entropy Alloys, Pohang University of Science and Technology (POSTECH) - Center for High Entropy Alloys, Pohang University of Science and Technology (POSTECH) - Department of Materials Science and EngineeringNational Health Insurance Ilsan Hospital - Department of Physical Medicine and Rehabilitation, Pohang University of Science and Technology (POSTECH) - Department of Materials Science and Engineering, Korea University - Department of Materials Science and Engineering and Pohang University of Science and Technology (POSTECH) - Graduate Institute of Ferrous & Energy Materials Technology

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Citation 1

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Improvement of Hydrogen Embrittlement by Void Formation at Coating Layers of Sb-Added Al-Si-Coated Hot-Press-Forming Steels

Downloads 144 (511,933)

2

Improvement of Hydrogen Embrittlement by Void Formation at Coating Layers of Sb-Added Al-Si-Coated Hot-Press-Forming Steels

Number of pages: 46 Posted: 25 Oct 2022

Selim Kim, Sang Yoon Song, Sang-Heon Kim, Seongwoo Kim, Jinkeun Oh, Byeong-Joo Lee, Sunghak Lee, Nack Joon Kim, Alireza Zargaran and Seok Su Sohn

Pohang University of Science and Technology (POSTECH) - Department of Materials Science and Engineering, Korea University - Department of Materials Science and Engineering, POSCO (Pohang Iron and Steel Company) - Steel Products Research Group, POSCO (Pohang Iron and Steel Company) - Steel Products Research Group, POSCO (Pohang Iron and Steel Company) - Steel Products Research Group, Pohang University of Science and Technology (POSTECH) - Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH) - Graduate Institute of Ferrous & Energy Materials Technology, Pohang University of Science and Technology (POSTECH) - Graduate Institute of Ferrous & Energy Materials Technology, Pohang University of Science and Technology (POSTECH) - Graduate Institute of Ferrous & Energy Materials Technology and Korea University - Department of Materials Science and Engineering

Downloads 99 (699,970)

Abstract:

Improvement of Hydrogen Embrittlement by Void Formation at Coating Layers of Sb-Added Al-Si-Coated Hot-Press-Forming Steels

Number of pages: 46 Posted: 07 Feb 2023

Selim Kim, Sang Yoon Song, Sang-Heon Kim, Seongwoo Kim, Jinkeun Oh, Byeong-Joo Lee, Sunghak Lee, Nack Joon Kim, Alireza Zargaran and Seok Su Sohn

Pohang University of Science and Technology (POSTECH) - Department of Materials Science and Engineering, Korea University - Department of Materials Science and Engineering, POSCO (Pohang Iron and Steel Company) - Steel Products Research Group, POSCO (Pohang Iron and Steel Company) - Steel Products Research Group, POSCO (Pohang Iron and Steel Company) - Steel Products Research Group, Pohang University of Science and Technology (POSTECH) - Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH) - Graduate Institute of Ferrous & Energy Materials Technology, Pohang University of Science and Technology (POSTECH) - Graduate Institute of Ferrous & Energy Materials Technology, Pohang University of Science and Technology (POSTECH) - Graduate Institute of Ferrous & Energy Materials Technology and Korea University - Department of Materials Science and Engineering

Downloads 45 (1,144,483)

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Enhancement of Ballistic Performance Enabled by Boron-Doping in Subzero-Treated (Ferrite+Austenite+Martensite) Triplex Lightweight Steel

Downloads 65 (924,743)

2

Enhancement of Ballistic Performance Enabled by Boron-Doping in Subzero-Treated (Ferrite+Austenite+Martensite) Triplex Lightweight Steel

Number of pages: 28 Posted: 22 Mar 2022

Dae Woong Kim, Selim Kim, Junha Yang, Sunghak Lee and Seok Su Sohn

Research Institute of Industrial Science and Technology, Pohang University of Science and Technology (POSTECH) - Department of Materials Science and Engineering, affiliation not provided to SSRN, Pohang University of Science and Technology (POSTECH) - Graduate Institute of Ferrous & Energy Materials Technology and Korea University - Department of Materials Science and Engineering

Downloads 39 (1,224,220)

Abstract:

Enhancement of Ballistic Performance Enabled by Boron-Doping in Subzero-Treated (Ferrite+Austenite+Martensite) Triplex Lightweight Steel

Number of pages: 28 Posted: 20 Mar 2022

Dae Woong Kim, Selim Kim, Junha Yang, Sunghak Lee and Seok Su Sohn

Research Institute of Industrial Science and Technology, Pohang University of Science and Technology (POSTECH) - Department of Materials Science and Engineering, affiliation not provided to SSRN, Pohang University of Science and Technology (POSTECH) - Graduate Institute of Ferrous & Energy Materials Technology and Korea University - Department of Materials Science and Engineering

Downloads 26 (1,430,393)

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4.

Grain Boundary Strengthening in Nanocrystalline Mo0.2coni Medium-Entropy Alloys Produced Via High-Pressure Torsion

Number of pages: 22 Posted: 19 Jun 2023

Hyunjoo Choi, Juyeon Han, Seungjin Nam, Yeon Taek Choi, Tae Jin Jang, Chahee Jung, Seok Su Sohn and Hyoung Seop Kim

Kookmin University, Kookmin University, Korea University, affiliation not provided to SSRN, Korea University, Kookmin University, Korea University - Department of Materials Science and Engineering and Pohang University of Science and Technology (POSTECH) - Department of Materials Science and Engineering

Downloads 49 (1,074,648)

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5.

Modeling Hydrogen Diffusion and its Interaction with Deformed Microstructure Involving Phase Transformation – Theory, Numerical Formulation, and Validation

Number of pages: 64 Posted: 07 Mar 2025

Jinheung Park, Geonjin Shin, Kijung Kim, Taejoon Park, Farhang Pourboghrat, Seok Su Sohn and Myoung-Gyu Lee

Seoul National University - Department of Materials Science and Engineering, Seoul National University - Department of Materials Science and Engineering, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Korea University - Department of Materials Science and Engineering and Seoul National University - Department of Materials Science and Engineering

Downloads 48 (1,086,013)

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6.

Effects of Sn Addition on the Improved Hydrogen Intrusion and Emission Behaviors in 1.5-Gpa-Grade Al-Si-Coated Hot Press Forming Steels

Number of pages: 22 Posted: 13 Mar 2023

Selim Kim, Alireza Zargaran, Sunghak Lee, Nack Joon Kim, Sang-Heon Kim and Seok Su Sohn

Pohang University of Science and Technology (POSTECH) - Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH) - Graduate Institute of Ferrous & Energy Materials Technology, Pohang University of Science and Technology (POSTECH) - Graduate Institute of Ferrous & Energy Materials Technology, Pohang University of Science and Technology (POSTECH) - Graduate Institute of Ferrous & Energy Materials Technology, POSCO (Pohang Iron and Steel Company) - Steel Products Research Group and Korea University - Department of Materials Science and Engineering

Downloads 46 (1,109,210)

Abstract:

7.

Ferrite-Enabled Improvement of Hydrogen Embrittlement Through Strain Partitioning in Quenching and Partitioning Steels

Number of pages: 44 Posted: 05 Apr 2024

Ki Jeong Kim, Sang Yoon Song, Gunjick Lee, Hye-Jin Kim, Ho Yong Um, Joo Sik Huyn, Seung-Pill Jung, KenHee Ryou, Pyuck-Pa Choi, Alireza Zargaran, Myoung-Gyu Lee and Seok Su Sohn

Korea University, Korea University - Department of Materials Science and Engineering, Korea University, Seoul National University - Department of Materials Science and Engineering, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Korea Advanced Institute of Science and Technology (KAIST) - Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST) - Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH) - Graduate Institute of Ferrous & Energy Materials Technology, Seoul National University - Department of Materials Science and Engineering and Korea University - Department of Materials Science and Engineering

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8.

Modeling the Transition from Ductile to Brittle Fracture Induced by Hydrogen-Assisted Mechanical Degradation in Quenching and Partitioning (Q&P) Steel

Number of pages: 33 Posted: 08 Apr 2025

Geonjin Shin, Jinheung Park, Sang Yoon Song, Kijung Kim, Hye-Jin Kim, Seok Su Sohn and Myoung-Gyu Lee

Seoul National University - Department of Materials Science and Engineering, Seoul National University - Department of Materials Science and Engineering, Korea University - Department of Materials Science and Engineering, affiliation not provided to SSRN, Seoul National University - Department of Materials Science and Engineering, Korea University - Department of Materials Science and Engineering and Seoul National University - Department of Materials Science and Engineering

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Effects of Phase Fraction on J-R Fracture Resistance of Sa508 Gr.1a Low-Alloy Steels

Number of pages: 30 Posted: 19 Feb 2025

Se-mi Hyun, Min-Chul Kim, Seokmin Hong, Jongmin Kim and Seok Su Sohn

Korea Atomic Energy Research Institute, Korea Atomic Energy Research Institute, Korea Atomic Energy Research Institute, Korea Atomic Energy Research Institute and Korea University - Department of Materials Science and Engineering

Downloads 36 (1,236,159)

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10.

Hydrogen Absorption Kinetics and Microstructural Features of Tife0.8mn0.2 Alloy

Number of pages: 38 Posted: 21 Oct 2024

Ryun-Ho Kwag, Tae-Yang Kwak, Da Hye Lee, Sojin Jung, Jang-Won Kang, Seongtak Kim, Tae-Wook Na, Seok Su Sohn, H. K. Park and Taejun Ha

affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Korea University - Department of Materials Science and Engineering, affiliation not provided to SSRN and Korea Institute of Industrial Technology (KITECH)

Downloads 30 (1,318,317)

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11.

Si-Enabled Self-Lubrication and Wear Resistance of Crconisi Medium-Entropy Alloy Films

Number of pages: 22 Posted: 17 Jan 2024

Young Mok Kim, Tae Jin Jang, Wansu Song, Hyeon-Seok Do, Sang-Ho Oh, Gyeongbeom Lee, Joungwook Kim, Eunsoo Yang, Byeong-Joo Lee, Ho Jang and Seok Su Sohn

Korea University, Korea University, Korea University, affiliation not provided to SSRN, Pohang University of Science and Technology (POSTECH) - Department of Materials Science and Engineering, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Pohang University of Science and Technology (POSTECH) - Department of Materials Science and Engineering, Korea University and Korea University - Department of Materials Science and Engineering

Downloads 29 (1,332,057)

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Effect of Microstructural Defects on Hydrogen Transport and Embrittlement in V-Al Hydrogen Separation Membranes

Number of pages: 44 Posted: 24 Mar 2026

Ju-Hyun Baek, Sangmin Lee, Jung Hun Han, Jinwoo Kim, Young-Su Lee, Jae-Hyeok Shim, Seok Su Sohn, Heung Nam Han and Jin-Yoo Suh

Korea Institute of Science and Technology (KIST), Korea Institute of Science and Technology (KIST), Korea University, Korea Institute of Science and Technology (KIST), Korea Institute of Science and Technology (KIST), Korea Institute of Science and Technology (KIST) - High Temperature Energy Materials Research Center, Korea University - Department of Materials Science and Engineering, Seoul National University - Research Institute of Advanced Materials and Korea Institute of Science and Technology (KIST)

Downloads 28 (1,345,526)

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13.

Immersion-Type Hydrogen Charging into a Zinc-Coated Ultra-High-Strength Steel

Number of pages: 35 Posted: 02 Apr 2025

Sang Cheon Park, Ju-Hyun Baek, Dae Cheol Yang, Gukhyun Lim, Jihyun Hong, Hee Soo Yun, Jaeyeong Park, Sang Koo Jeon, Seung Hoon Nahm, Jin-Yoo Suh and Seok Su Sohn

affiliation not provided to SSRN, Korea Institute of Science and Technology (KIST), Korea University, Pohang University of Science and Technology (POSTECH), Pohang University of Science and Technology (POSTECH), Korea Research Institute of Standards and Science (KRISS), affiliation not provided to SSRN, Korea Research Institute of Standards and Science (KRISS), Korea Research Institute of Standards and Science (KRISS), Korea Institute of Science and Technology (KIST) and Korea University - Department of Materials Science and Engineering

Downloads 24 (1,399,036)

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14.

Effect of Cu Addition on High-Temperature Oxidation Behavior of 25cr-20ni Austenitic Stainless Steel

Number of pages: 36 Posted: 13 Dec 2024

Gunjick Lee, Heechan Jung, Yoon Seok Ko, Dong-Ik Kim, Seok Su Sohn and Jae-Hyeok Shim

affiliation not provided to SSRN, Korea University, Korea Institute of Science and Technology (KIST), Korea Institute of Science and Technology (KIST), Korea University - Department of Materials Science and Engineering and Korea Institute of Science and Technology (KIST) - High Temperature Energy Materials Research Center

Downloads 21 (1,436,435)

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15.

A chemo–mechanical–damage framework with finite-rate hydrogen trapping: Geometry- and rate-controlled relevance of lattice–trap kinetics

Number of pages: 75 Posted: 12 May 2026

Geonjin Shin, Sang Yoon Song, Kijung Kim, Seung Chae Yoon, Seok Su Sohn, Jinheung Park and Myoung-Gyu Lee

Seoul National University - Department of Materials Science and Engineering, Korea University - Department of Materials Science and Engineering, affiliation not provided to SSRN, affiliation not provided to SSRN, Korea University - Department of Materials Science and Engineering, Seoul National University - Department of Materials Science and Engineering and Seoul National University - Department of Materials Science and Engineering

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Seok Su Sohn

Korea University - Department of Materials Science and Engineering

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