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首页> 外文期刊>Journal of Manufacturing Processes >On the Role of Reinforcements on Tool Performance During Cutting of Metal Matrix Composites
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On the Role of Reinforcements on Tool Performance During Cutting of Metal Matrix Composites

机译：增强对金属基复合材料切削过程中刀具性能的作用

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摘要

Machining of metal matrix composites (MMCs) has been notoriously difficult due to the extremely abrasive nature of the reinforcements and presents a significant challenge to the industry. This paper presents an analytical tool flank wear rate model that has been developed for orthogonal cutting processes. In this approach, the wear volume loss is formulated based on the process parameters and reinforcement properties. Then, the flank wear rate is developed by considering the tool geometry in orthogonal metal cutting. The developed model was validated with orthogonal cutting tests conducted on 6061 aluminum MMC reinforced with Al_2O_3 particulates of different average sizes (9.5 μm, 20 μm, 25 μm) and volume fractions (10% and 20%) under similar cutting conditions. The results showed good agreement between the predicted and measured flank wear data.
机译：由于增强材料的极具磨蚀性，金属基复合材料（MMC）的加工非常困难，这给工业带来了巨大挑战。本文介绍了一种针对正交切削工艺开发的分析工具齿腹磨损率模型。在这种方法中，磨损量损失是根据工艺参数和补强性能来确定的。然后，通过考虑正交金属切削中的刀具几何形状来开发侧面磨损率。通过对6061铝MMC进行正交切削试验验证了开发的模型，该铝MMC增强了Al_2O_3不同平均尺寸（9.5μm，20μm，25μm）和体积分数（10％和20％）的Al_2O_3颗粒。结果表明，预测和测量的后刀面磨损数据之间具有良好的一致性。

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