The reasons of regular entrapped slag of rhe cast steel wheel poured continuously by bottom pouring ladle were explained by using hydrodynamics.
用流体力学原理解释了用底注包连续浇注铸钢车轮过程中产生规律性夹渣缺陷的原因——是由于钢液在孔口出流时产生的真空,使钢液中的气体连同它所吸附的氧化渣一起析出附着在水口砖表面上,当多到一定程度脱落流入铸型中造成的。
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