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Sang-Hoon Yoon 2 Articles
138 Effect of Cr Electroplating Layer Thickness on the Tensile and High Cycle Fatigue Properties of AISI 1045 Steel
AISI 1045 강의 인장 및 고주기 피로 특성에 미치는 Cr 도금층 두께의 영향
Gi-Su Ham, Yeon-Ji Kang, Hyung-Jun Kim, Sang-Hoon Yoon, Kee-Ahn Lee
함기수, 강연지, 김형준, 윤상훈, 이기안
Korean J. Met. Mater. 2019;57(3):138-145.   Published online 2019 Feb 14
DOI: https://doi.org/10.3365/KJMM.2019.57.3.138

Abstract
This study investigated and compared the tensile and high-cycle fatigue properties of AISI 1045 steel and Cr electroplated AISI 1045 steel. First, tensile and fatigue specimens were machined from AISI 1045 steel (substrate), and two kinds of Cr electroplating layers with different layer thickness were applied. The substrate, AISI 1045..... More

                        
113 Effects of Feedstock Powder Characteristics on the Microstructural Features and Erosion Resistance of WC-12Co Coatings
분말소재 특성에 따른 고속화염용사 WC-12Co 코팅층의 미세조직 및 침식 저항성
So-Yeong Kang, Kyeong-Ho Baik, Sang-Hoon Yoon, Hyung-Jun Kim
강소영, 백경호, 윤상훈, 김형준
Korean J. Met. Mater. 2018;56(2):113-120.   Published online 2018 Feb 5
DOI: https://doi.org/10.3365/KJMM.2018.56.2.113

Abstract
WC-Co coatings manufactured by high velocity oxy-fuel (HVOF) spraying have a superior hardness and wear resistance. In this study, HVOF-sprayed WC-12Co coatings from three different feedstock powders were evaluated in terms of microstructural features, carbide decomposition and erosion resistance. The fused-crushed and the sintered-crushed WC-12Co powders had an angular shape,..... More

      
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