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介绍了贵金属基电接触材料的种类、特点及应用范围,分析了国内外贵金属基电接触材料的使用条件及各种制备技术的优缺点。重点介绍了发展前景较好的4个系列银基电接触材料的各项性能指标、工作原理及应用方向,最后道出了电接触材料先进制备技术的研发方向,并指出了贵金属基电接触材料具有向多元化发展的趋势。
The types, characteristics and application range of precious metal based contact materials are introduced. The conditions of using the noble metal based contact materials at home and abroad and the advantages and disadvantages of various preparation techniques are analyzed. The performance index, working principle and application direction of four series of silver-based electrical contact materials with good development prospects are introduced emphatically. Finally, the research direction of advanced preparation technology of electrical contact materials is pointed out, and the relationship between the noble metal-based electrical contact materials Has the tendency to diversify.