不同氧化物颗粒尺寸对AgCdO电接触材料性能影响的研究  

Study on the Effect of Different Oxide Particle Size on Properties of AgCdO Electrical Contact Materials

作　　者：陈杨方 颜小芳 柏小平 张明江 李杰 杨昌麟 张秀芳 CHEN Yangfang;YAN Xiaofang;BAI Xiaoping;ZHANG Mingjiang;LI Jie;YANG Changlin;ZHANG Xiufang(Fuda Alloy Materials Co.,Ltd.,Zhejiang Wenzhou 325025,China)

机构地区：[1]福达合金材料股份有限公司,浙江温州325025

出　　处：《电工材料》2023年第2期14-18,共5页Electrical Engineering Materials

摘　　要：制备了不同氧化物颗粒尺寸(0.8μm、1.2μm、1.5μm)的AgCdO(12)电接触材料,考察了不同AgCdO(12)材料的显微组织、物理机械性能以及电性能。结果表明:随着CdO颗粒尺寸的增加,材料的电阻率、硬度、抗拉强度逐渐降低,而延伸率呈现出逐渐增加的趋势;在250 VDC、10 A试验条件下,随着氧化物颗粒尺寸的增加,燃弧能量呈现出先增加后降低的趋势,并当氧化物颗粒尺寸为1.2μm时,电寿命次数最高。Different oxide particle sizes(0.8μm,1.2μm,1.5μm)of AgCdO(12)electrical contact materials were prepared in this paper.Besides,the microstructure,physical and mechanical properties and electrical properties of different AgCdO(12)materials were investigated.The results show that as the increase of the CdO particle size,the resistivity,hardness,and tensile strength of the material gradually decrease,while the elongation presents a gradually increasing trend;under the test condition of 250 V and 10 A,as the increase of the oxide particle size,the arcing energy presents a tendency to increase first and then decrease,and when the oxide particle size is 1.2μm,the number of electrical life is the highest.

关 键 词：AGCDO 颗粒尺寸 内氧化 电接触材料 

分 类 号：TM503[电气工程—电器]