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Kwang Soo Choi 1 Article
951 Effect of High Temperature Oxidation on Surface Pit and Recrystallization of Directionally Solidified CM247LC Superalloy in Creep Gauge
일방향 응고 CM247LC 초내열합금 크리프 시편 게이지에서 고온 산화가 표면 피트 및 재결정 형성에 미치는 영향
Byung Hak Choe, Kwang Soo Choi, Sung Hee Han, Dae Hyun Kim, Jong Kee Ahn, Dong Su Kang, Seong-Moon Seo
최병학, 최광수, 한성희, 김대현, 안종기, 강동수, 서성문
Korean J. Met. Mater. 2023;61(12):951-957.   Published online 2023 Nov 30
DOI: https://doi.org/10.3365/KJMM.2023.61.12.951

Abstract
This study analyzed a recrystallization phenomenon that occurred simultaneously with hightemperature oxidation on the surface of a directionally solidified CM247LC creep specimen, using optical and scanning electron microscopy. After heat treatment, the surface of the specimen subjected to the creep test at 982oC was oxidized by exposure to high temperature..... More

                
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