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首页> 外文会议>CIRP Conference on Electro Physical and Chemical Machining >On the effects of wire electrode and ceramic volume fraction in wire electrical discharge machining of ceramic particulate reinforced aluminium matrix composites
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On the effects of wire electrode and ceramic volume fraction in wire electrical discharge machining of ceramic particulate reinforced aluminium matrix composites

机译：陶瓷颗粒增强铝基基复合材料线电极和陶瓷体积分数在陶瓷颗粒的电气放电加工中的影响

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In this paper, effect of type of wire electrode material and volume fraction of reinforcement on wire electrical discharge machining performance of A359/SiCp composite has been reported. In this study, a plain brass (CuZn37) wire and a copper wire coated with CuZn50 were used as wire electrodes. The volume fraction of the SiC particulate reinforcement was varied from 10% to 30%. While volume fraction was found to be the most significant parameter affecting the cutting rate, the pulse on-time and the type of electrode material were the next in the order of significance. It is interesting to note that the interaction between on-time and volume fraction as well as the interaction between type of electrode material and pulse on-time also had significant influence on the cutting rate. Further, it was found that the cutting rate was greater in the case of coated wire as compared to the plain brass wire. The improvement in the cutting rate was found to be in greater than 58% for the coated wire. Furthermore, the kerf width was found to be smaller in the case of coated wire compared to the plain brass wire. Nevertheless, the surface roughness was found to increase significantly with the coated wire.
机译：本文报道，报道了线电极材料类型和增强物体积分数对A359 / SICP复合材料的钢丝电放电加工性能的影响。在该研究中，使用普通黄铜（CUZN37）线和涂有CUZN50的铜线用作线电极。 SiC颗粒强化的体积分数从10％变化至30％。虽然发现体积分数是影响切割速率的最重要参数，但脉冲导通时间和电极材料的类型是下一步的阶段。值得注意的是，导通时间和体积分数之间的相互作用以及电极材料类型与脉冲之间的相互作用对切割速率影响显着影响。此外，发现与普通黄铜电线相比，在涂覆线的情况下，切割速率更大。切割速率的改善是涂层线的大于58％。此外，与普通黄铜电线相比，在涂覆线的情况下发现了Kerf宽度。然而，发现表面粗糙度与涂层线有显着增加。

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