CAJ | 학술논문

铜基石墨复合材料是一种广泛应用于摩擦材料和电接触材料等领域的金属基复合材料.综述了铜基石墨复合材料在改善铜基体与石墨增强体结合方面的研究进展,主要包括基体合金化、石墨的表面处理、添加粘结剂等,重点介绍了铜基石墨复合材料的制备工艺方法,并概述了其导电导热性能、摩擦磨损性能、工艺性能及应用,最后展望了铜基石墨复合材料的研究重点和发展方向,认为取代现有的易切削铅黄铜合金将成为铜基石墨复合材料今后研究和应用的一个亮点.
동기석묵복합재료시일충엄범응용우마찰재료화전접촉재료등영역적금속기복합재료.종술료동기석묵복합재료재개선동기체여석묵증강체결합방면적연구진전,주요포괄기체합금화、석묵적표면처리、첨가점결제등,중점개소료동기석묵복합재료적제비공예방법,병개술료기도전도열성능、마찰마손성능、공예성능급응용,최후전망료동기석묵복합재료적연구중점화발전방향,인위취대현유적역절삭연황동합금장성위동기석묵복합재료금후연구화응용적일개량점.
Copper matrix graphite composites are a type of metal matrix composites which are widely used in fields of friction materials and electrical contact materials.In this paper,the study of copper matrix graphite composites for improving the combination of copper matrix and graphite reinforcement is reviewed,it mainly includes matrix alloying,surface treatment of graphite reinforcement,the addition of adhesive and so on.The preparation methods of copper matrix graphite composites are emphatically introduced.The properties such as electrical and thermal conductivity,friction and wear,technology together with the application of copper matrix graphite composites are also summarized.Futhermore the research emphasis and development directions of copper matrix graphite composites is put forwarded.It can be concluded that replacing the present leaded free-cutting brass will be a highlight of the research and applications of copper matrix graphites in future.