研究电渣熔铸过程中渣皮的形成机理。
The forming mechanism of slag skin was studied during electroslag casting.
结果表明，渣皮生长遵循幂函数规律。
The result showed that slag skull growth followed the power function.
渣皮脱落和冷却壁完全消失造成热负荷急剧增加。
The heat load was dramatically increased when the slag skull was removed and the stave was disappeared.
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