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In electro-discharge machining with mixed powder, the investigation of electrode wear rate (EWR) has interested many researchers. However, the exploration of EWR when processing different states of the same material is very limited. Furthermore, it is urgent to consider EWR when machining 9CrSi materials in heat-treated (HT) and non-heat-treated (NHT) states. Hence, in this study, the EDM process with tungsten alloy powder suspended in oil solvent was explored in EWR of copper material to process for 9CrSi workpieces in heat-treated and non-heat-treated states. The results indicate that the EWR obtained when machining 9CrSi material in these two states is different.

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Evaluation of Electrode Wear Rate as Processed 9CrSi Steel in Heat-Treated and Non-Heat-Treated States During Powder-Mixed EDM Process

  • 会议论文

  • 发表日期：

    2025年

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  • Van-Tao Le,
  • Manh Tung Do,
  • Nam-Khanh Le,
  • Truong Giang Nguyen

摘要

In electro-discharge machining with mixed powder, the investigation of electrode wear rate (EWR) has interested many researchers. However, the exploration of EWR when processing different states of the same material is very limited. Furthermore, it is urgent to consider EWR when machining 9CrSi materials in heat-treated (HT) and non-heat-treated (NHT) states. Hence, in this study, the EDM process with tungsten alloy powder suspended in oil solvent was explored in EWR of copper material to process for 9CrSi workpieces in heat-treated and non-heat-treated states. The results indicate that the EWR obtained when machining 9CrSi material in these two states is different.