Experimental study on the abrasive wear in metal cutting
Experimental study on the abrasive wear in metal cutting
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金属切削磨粒磨损实验研究
DOI：
10.1016/0043-1648(96)06957-8
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发表时间：
1996
期刊：
影响因子：
5
通讯作者：
V. Marinov
中科院分区：
文献类型：
--
作者：
V. Marinov
通过实验分析了切削条件和加工材料中磨料夹杂物参数对硬质合金切削载荷磨粒磨损量的影响。采用粉末冶金法制备高锰钢试样，试样结构可控，随磨料颗粒种类、浓度和粒度的变化而变化。结果表明：磨料磨损随切削温度近似线性增加，这是由于一些加工硬度与刀具材料相当的磨料夹杂物的磨蚀能力发生了变化。磨粒磨损量wabr与颗粒浓度pa呈非线性关系；wABR ~ pa2 3；另一个结论是，磨损金属的数量在一定程度上随着磨料颗粒的大小而增加，这是由于当颗粒沿着工具表面移动时，它们分裂的碳化物集落的尺寸更大。
Experiments were carried out in an attempt to analyze the influence of cutting conditions and parameters of the abrasive inclusions in the work material on the amount of abrasive wear of the carbide cutting loads. The specimens were prepared by powder metallurgy from high manganese steel with a controlled structure and varied with the kind, concentration and granularity of the abrasive particles. The results show that abrasive wear increases approximately linearly with the cutting temperature due to the change of the abrasive capability of some abrasive inclusions with work hardness comparable with that of the tool material. The amount of abrasive wear wABRwas found to depend non-linearly on the particle concentration pa; wABR∼ pa2 3. Another conclusion is that the amount of worn metal increases to some extent with the size of the abrasive particles due to the larger size of the carbide conglomerates split off by the particles when they move along the tool surface.