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J. Korean Ceram. Soc. > Volume 38(9); 2001 > Article
Journal of the Korean Ceramic Society 2001;38(9): 829.
유한요소법을 이용한 LD - 전로의 노저부 형상에 따른 응력분포의 해석
김성순, 한봉석, 허완욱1, 하창수1, 이형직2, 이홍림
연세대학교 세라믹공학과
1POSCO 기술연구소 광양선광그룹
2강릉대학교 세라믹공학과
The Stress Distribution Analysis of LD - converters with Different Edge Shapes by FEM
Sung-Soon Kim, Bong-Suk Han, Wan-Uk Hue1, Chang-Su Ha1, Hyung-Jik Lee2, Hong-Lim Lee
Department of Ceramic Engineering, Yonsei University
1POSCO Technology Research Center
2Department of Ceramic Engineering, Kangnung National University
ABSTRACT
There have been many studies about the chemical corrosion of converter's refractories. However, few studies have been reported for the stress corrosion induced by the weight of the refractories and by the two bottom shape models designed for the converter. In this study, the stress distributions of the two converter models were analyzed by FEM. Model 1 has the step edge shape and model 2 has the round edge shape. Simulation results show that model 2 of round bottom edge has higher gravitational stress just below the slag line than the model 1. Model 2 is considered to suffers more serious corrosion than model 1 during the middle working stage by the thermal and chemical factors.
Key words: Converter, Stress corrosion, FEM
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