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Abstract <p>The formation of TiB<sub>2</sub>–Ni–Ag coatings on a copper electrical contact by electroexplosive spraying followed by electron-beam treatment is studied, and the structure and properties of the coatings are investigated. The structure of the coatings consists of a matrix based on silver and nickel with TiB<sub>2</sub>, TiB, and TiNi inclusions. The microhardness, nanohardness, Young’s modulus, wear rate and friction coefficient of the coatings are determined, and electrical erosion resistance tests under arc erosion conditions are performed.</p>

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Promising Electrical-Erosion-Resistant TiB2–Ni–Ag Coating Formed by Two-Stage Treatment for Strengthening Copper Electrical Contacts: Structure and Properties

  • 期刊论文

  • 发表日期：

    2026年1月1日

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  • V. V. Pochetukha,
  • D. A. Romanov,
  • E. S. Vashchuk

摘要

Abstract

The formation of TiB2–Ni–Ag coatings on a copper electrical contact by electroexplosive spraying followed by electron-beam treatment is studied, and the structure and properties of the coatings are investigated. The structure of the coatings consists of a matrix based on silver and nickel with TiB2, TiB, and TiNi inclusions. The microhardness, nanohardness, Young’s modulus, wear rate and friction coefficient of the coatings are determined, and electrical erosion resistance tests under arc erosion conditions are performed.