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Processing of Zirconium-Based Bulk Metallic Glass (BMG) Using Micro Electrical Discharge Machining (Micro-EDM)

机译:微放电加工(Micro-EDM)处理锆基大块金属玻璃(BMG)

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摘要

A zirconium-based bulk metallic glass was machined by micro electrical discharge machining (micro-EDM) to demonstrate its feasibility under discharge energies typical of. the microregime. Furthermore, input energies of 13.4 muJ and 0.9 muJ, and three different tool electrodes, namely, tungsten rod electrode, copper, and brass tube electrodes were employed to elucidate the effects of different machining conditions on the machined surface roughness, burr width, and tool wear. Experimental results showed that using the lower input energy reduced surface roughness by 43 percent-51 percent and burr width by 63 percent. Moreover, results also suggested that, at lower input energies, tube electrodes experienced lower tool wear ratios than rod electrodes.
机译:锆基块状金属玻璃通过微放电加工(micro-EDM)进行了加工,以证明其在典型的放电能量下的可行性。微观制度。此外,输入能量分别为13.4μJ和0.9μJ,并使用了三种不同的工具电极,即钨棒电极,铜电极和黄铜管电极,以阐明不同加工条件对加工的表面粗糙度,毛刺宽度和工具的影响穿。实验结果表明,使用较低的输入能量可使表面粗糙度降低43%-51%,毛刺宽度降低63%。此外,结果还表明,在较低的输入能量下,管电极的磨损率比杆电极低。

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