Phase analysis, microhardness and wear resistance of selective plated copper-based coatings containing silver particles
COMPTES RENDUS DE L ACADEMIE BULGARE DES SCIENCES(2024)
摘要
This study investigated the composition and properties of copper -based selective electrochemical coatings containing silver particles deposited on 316L stainless steel substrates. The method of formation of the coatings, using acid and alkaline electrolyte solutions, is described. A comparative analysis of the obtained coatings with selective copper coatings without added particles was carried out. An X-ray structural analysis was performed to determine the phase composition. Mechanical properties such as microhardness, surface roughness and wear resistance were investigated. The results show that the coatings are continuous, without visible defects, and the particles are deposited in depth as well. In both types of copper coatings with added silver particles, a dominant Cu phase and the presence of Ag were registered. It was established that the type of oxides formed in the deposition process is an important factor determining the microhardness and wear resistance of the coatings. The conclusions drawn confirm the effectiveness of the selective electrochemical deposition method for obtaining copper -based coatings containing silver particles and determine their characteristic mechanical properties.
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关键词
copper coating,selective plating,silver particles,mechanical properties,wear resistance
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