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本文针对1991~1992年包钢重轨产生的皮下夹杂物,在进行试验研究基础上,对其产生原因进行了分析,对减少重轨表面裂纹,改善质量具有一定指导意义.
In this paper, based on the experimental study on the subcutaneous inclusions produced by Baotou Steel heavy rail from 1991 to 1992, the causes of the submarine inclusions were analyzed, which is of guiding significance to reduce the surface cracks and improve the quality of heavy rail.