介绍了热熔断体的基本原理和星状簧片对电接触材料的要求,同时介绍了应用于该领域的电接触材料类型.采用内氧化工艺开发了一种具有良好塑性的AgCuO材料,采用内氧化工艺和热轧复合工艺开发了一种节银型AgCuO/Cu/AgCuO材料,均可满足所有温度等级的有机物型热熔断体的性能要求.
This paper introduces the basic principle of thermal fuses and the requirements of star contacts for electrical contact materials,as well as the material types of electrical contact materials used in this field.A AgCuO material of good plasticity was developed by internal oxidation process,and a silver saving AgCuO/Cu/AgCuO material was developed by both internal oxidation process and hot rolling composite process,and all of the above can meet the performance requirements of organic thermal fuses of all temperature levels.