高碳铬轴承钢钢锭冷却时形成的结晶偏析,在热轧变形时延伸而成的碳化物富集带,叫带状碳化物。 呈颗粒状,经热轧后沿流线分布。
分析了带状碳化物的形成原因及影响带状碳化物显露的因素。
This paper analyses the reason for forming the zonal carbonide, the factors which have influenced on manifesting the zonal carbonide.
用金相显微镜两种不同倍数观察带状碳化物,为正确评定钢材质量提供依据。
Using two kinds of magnification of the metaloscope to observe the zonal carbonide, scientific basis for evaluating correctly the quality of the steel is provided.
结果表明,由于球化不良而产生的不均匀带状碳化物是造成气门电镦质量问题的重要因素之一。
The results show that the uneven distribution banded carbide due to abnormal spheroidization is one of important factors causing the quality problems of the valves after electric upsetting.
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