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Hydrogen Induced Cracks in Stainless Steel 304 in Hydrogen Pressure and Stress Corrosive Atmosphere
수소가압 및 응력부식 분위기에서 스테인레스강 SS304의 수소취성균열
Byung Hak Choe, Sang Woo Lee, Jong Kee Ahn, Jinhee Lee, Tae Woon Lim
최병학, 이상우, 안종기, 이진희, 임태운
Korean J. Met. Mater. 2020;58(10):653-659.   Published online 2020 Oct 5
DOI: https://doi.org/10.3365/KJMM.2020.58.10.653

Abstract
The phenomena of hydrogen induced cracking (HIC) in 304 stainless steels was considered in a hydrogen pressure and stress corrosive atmosphere. Microstructures with chloride pits and stress corrosion cracks around the HIC were analyzed by SEM/EDS. Abnormal phase transformations induced by the hydrogen were analyzed using TEM and diffraction. In..... More

                        
Analysis of Stress Corrosion Cracking Propagation of SS304 Stainless Steel Using Crack Shape and Etch Pits
스테인리스강 SS304의 균열 형상과 에치 피트를 이용한 응력부식균열 전파 기구 해석
Byung Hak Choe, Sang Woo Lee, Jong Kee Ahn, Jinhee Lee
최병학, 이상우, 안종기, 이진희
Korean J. Met. Mater. 2020;58(9):583-589.   Published online 2020 Aug 19
DOI: https://doi.org/10.3365/KJMM.2020.58.9.583

Abstract
Austenitic stainless steel SS304 is vulnerable to Cl atmosphere SCC (stress corrosion crack). In this study, SCC phenomena related to stress and corrosion composition were analyzed to identify the mechanism for SCC initiation and propagation in SS304. The microstructure and mechanical properties resulting from crack propagation were analyzed by OM,..... More

                        
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