It is considered that the temperature fluctuation of meniscus is a key factor for the surface defect formation of continuous casting billets.
据此认为，连铸弯月面温度波动是导致铸坯表面缺陷产生的一个重要原因。
The features and formation mechanism of the scab defect was introduced.
介绍夹砂缺陷的特征及其形成机理。
The factors which have an effect on the formation of a kind of defect called "iron thorn"on the large area of casting are discussed, and process parameters are presented for the process improvement.
根据铸件大面积铁刺缺陷的技术攻关，论述了造成铸件缺陷的影响因素，制定一套可行的工艺参数，对改进工艺参数有一定参考作用。
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