银基合金滑动电接触材料研究进展

Advances in silver-based alloys for sliding electrical contact materials

银基电接触材料被广泛应用于电触头、导电刷、导电环、电换向片、电位器等电子电路关键零部件当中,承担电信号传递和控制、电流换向等重要用途。本文总结了Ag Cu系、AgNi系、AgCuNi系三类银基贵廉合金滑动电接触材料的发展历程,性能持续提高的技术路径,介绍了机器学习在电接触材料研发上的关键技术和现状,展望了机器学习在电接触材料研发的发展趋势。

Silver-based electrical contact materials,as an important material for electronic devices,are widely used in electrical contacts,conductive brushes,conductive rings,electrical commutators,potentiometers and other key components of electronic circuits,undertaking important uses such as electrical signal transmission,electrical signal control,current commutation,current cut-off and current shunting in electronic circuits,high speed rail and aerospace electrical control.This paper summarises the development history of AgCu and AgCuNi alloy electro-silver based electrical contact materials,the technical paths for continuous performance improvement,introduces the key technologies and current status of machine learning in the research and development of electrical contact materials,and outlooks the development trend of machine learning in the research and development of electrical contact materials.