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Sung‐Kyu Lee

Pohang University of Science and Technology · Engineering

About the Lab

Professor Sung-Kyu Lee's research lab specializes in the development and characterization of advanced refractory metal coatings and thin films for extreme environment applications. The lab focuses on chemical vapor deposition (CVD) techniques to fabricate high-performance rhenium and molybdenum-based coatings on graphite and metal substrates, with an emphasis on microstructure control, interfacial adhesion, and crystal orientation. Their work addresses challenges in coating-substrate compatibility and reaction kinetics, aiming to enhance the durability and performance of materials in high-temperature and high-radiation environments, such as in nuclear and aerospace applications. The lab also investigates the fundamental mechanisms of CVD growth and interfacial reactions to enable next-generation coating technologies.

chemical vapor depositionrefractory metal coatingsrheniumhigh-temperature materialscoating-substrate interface

Research Overview

Papers
3
Total Citations
34
Papers (5y)
3
Primary Field
Engineering

Research Output Trend

Figures are computed from collected data and may differ slightly.

Publications per year (5y)
3total
2017
2018
Citations per year (5y)
34total
20172018

Selected Papers

3
1
Article|23 citations·2017
Image processing-based analysis of interfacial phases in brazed stainless steel with Ni-based filler metal
Dong Yong Park, Sun Kyu Lee, Jong Kyu Kim, Sang Nam Lee, Seong Jin Park, Yong Jun Oh
SJR Q1Materials Characterization
Metals and AlloysMaterials Science
2
Article|11 citations·2018
Taguchi Analysis of Relation Between Tensile Strength and Interfacial Phases Quantified via Image Processing
Dong Yong Park, Sun Kyu Lee, Yong Jun Oh
SJR Q1Metallurgical and Materials Transactions A
Mechanical EngineeringEngineering
3
Article|0 citations·2018
Microstructure of Rhenium Coatings Deposited by CVD on Graphite and Mo Substrates
Sun Kyu Lee, Dong Yun Nam, Nam Ho Bae, Sung Taek Lim, Yong‐Jun Oh
SJR Q2Korean Journal of Metals and MaterialsOA

Rhenium coatings were fabricated on a graphite substrate at 1100 and 1250 o C and a molybdenum substrate at 1150 and 1250 o C by chemical vapor deposition (CVD) using ReCl 5 precursor, and the effects of deposition temperatures and substrates on microstructure and crystal orientation were investigated. The rhenium coating on graphite infiltrated the pores about hundred micrometers into the graphite, resulting in a large contact area between the coating and the graphite. However, the rhenium coat

Mechanics of MaterialsEngineering

Research Areas

Metals and AlloysMechanical EngineeringMechanics of Materials

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