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Abstract <p>We presented experimental studies on the synthesis of tungsten carbide powder by the vacuum-free electric arc method. The optimal parameters of plasma processing of the tungsten–carbon system were determined based on the results of temperature field distribution during vacuum-free electric arc synthesis. Temperature conditions are ensured in the reaction zone at certain parameters—the power supply current is 250–300 A, ensuring a temperature mode of 1700°C. The study of the mass balance showed that the greatest mass losses are observed with an increase in current to 300–350 A. X-ray phase analysis of the synthesized material revealed the predominance of the crystalline phase of tungsten carbide WC.</p>

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Characteristics of Temperature Field Distribution during Vacuum-Free Electric Arc Synthesis

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • Y. Z. Vassilyeva,
  • P. V. Povalyaev,
  • Y. A. Neklya,
  • T. S. Shlyakhov,
  • R. D. Gerasimov,
  • A. V. Vlasov,
  • A. Y. Pak

摘要

Abstract

We presented experimental studies on the synthesis of tungsten carbide powder by the vacuum-free electric arc method. The optimal parameters of plasma processing of the tungsten–carbon system were determined based on the results of temperature field distribution during vacuum-free electric arc synthesis. Temperature conditions are ensured in the reaction zone at certain parameters—the power supply current is 250–300 A, ensuring a temperature mode of 1700°C. The study of the mass balance showed that the greatest mass losses are observed with an increase in current to 300–350 A. X-ray phase analysis of the synthesized material revealed the predominance of the crystalline phase of tungsten carbide WC.