介绍了银-金刚石、Ag-TiB_2、Ag-Mg-Ni以及银基氧化物等四种新型银基触头材料,分别对这四种新型银基触头材料的研究状况进行了探讨。分析了各触头材料的工艺、显微组织以及性能特点,并阐明了添加剂对这些触头材料组织和性能的影响。最后,对新型银基触头材料的未来发展趋势及应用进行了展望。 Four new types of silver-based contact materials, silver-diamond, Ag-TiB_2, Ag-Mg-Ni and silver-based oxides, are introduced and the research status of the four new silver-based contact materials are discussed respectively. The process, microstructure and properties of each contact material were analyzed, and the influence of additives on the microstructure and properties of these contact materials was clarified. Finally, the prospect and application of the new silver-based contact materials are prospected.