It is considered that the temperature fluctuation of meniscus is a key factor for the surfacedefect 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。
2
A general problem in protecting the casting ingots by using expanded complex mould casting mold powder is the surfacedefect that slag deposition can be evolved easily in ingots head.
使用膨胀型复合模铸保护渣保护浇注钢锭,普遍存在的一个问题是容易使钢锭产生头部积渣这一表面缺陷。
3
Burr defect often appears on the surface of investment casting and it is the main reason causing inferior produces.