Study on the micro-EDM processing characteristics of Ti-6Al-4V alloy with different electrode materials

Study on the micro-EDM processing characteristics of Ti-6Al-4V alloy with different electrode materials
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不同电极材料Ti-6Al-4V合金微细电火花加工特性研究

DOI:
10.1007/s00170-021-07664-5
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发表时间:
2021-07
期刊:
The International Journal of Advanced Manufacturing Technology
影响因子:
--
通讯作者:
Bin Xu
Bin Xu
中科院分区:
其他
文献类型:
--
作者:
Sheng-gui Chen;Man-qun Lian;Xiao-yu Wu;Jian-guo Lei;Hang Zhao;Tai-jiang Peng;Feng Luo;Jun Yang;Bin Xu

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Ti-6Al-4V合金已广泛应用于工业领域。电火花加工(EDM)是加工Ti-6Al-4V合金的常用技术。在Ti-6Al-4V合金电火花加工过程中,工具电极的热特性和物理特性对加工特性有重要影响。为了研究不同电极材料对Ti-6Al-4V合金加工特性的影响,采用黄铜电极、铜钨电极和钨电极对Ti-6Al-4V合金进行电火花加工。本文设计了v型槽阵列结构电极,对Ti-6Al-4V合金进行粉末混合电火花加工(PMEDM),并根据微观组织形貌、刀具电极磨损(TEW)、材料去除率(MRR)和重铸层厚度(RLT)四项指标对加工结果进行评价。结果表明,铜钨电极具有最高的再现率(75.2%)、较小的TEW (139 μm)、最高的MRR (255.39 mm3/min)和较薄的RLT (3.35 μm),因此推荐用于Ti-6Al-4V合金的加工。
Ti-6Al-4V alloy has been widely used in industrial fields. Electrical discharge machining (EDM) is a commonly used technology for machining Ti-6Al-4V alloy. During EDM of Ti-6Al-4V alloy, the thermal and physical characteristics of tool electrode have an important influence on processing characteristics. In order to study the influence of different electrode materials on the processing characteristics of Ti-6Al-4V alloy, brass electrode, copper tungsten electrode, and tungsten electrode were used to perform EDM of Ti-6Al-4V alloy. In this paper, electrodes with V-groove array structures were designed to carry out powder mixed electrical discharge machining (PMEDM) of Ti-6Al-4V alloy, and the machining results were evaluated based on four indicators: micro-structures morphology, tool electrode wear (TEW), material removal rate (MRR), and recast layer thickness (RLT). The processing results show that copper tungsten electrode is recommended to machine Ti-6Al-4V alloy because it has the highest reproduction rate (75.2%), a smaller TEW (139 μ m), the highest MRR (255.39 mm3/min), and a thinner RLT (3.35 μm).
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发表时间: 2013-10-01
影响因子: 6.2
作者:
Bai, Xue;Zhang, Qinhe;Yang, Tingyi
通讯作者: Yang, Tingyi
DOI: --
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影响因子: 11.1
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发表时间: 2018-09
期刊: The International Journal of Advanced Manufacturing Technology
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