【摘要】 CuCr合金触头材料具有良好的力学和电学性能,广泛应用于真空开关。本文综述了不同Cr含量对CuCr触头材料开断能力、截流值、耐电压强度和抗熔焊性等性能的影响,并总结了添加其它新组分对其性能的作用。针对目前CuCr合金存在的问题,提出严格控制原材料成分及杂质含量、添加新组分,是目前改善或获得高性能CuCr触头材料的发展方向之一。更多还原

【Abstract】 CuCr contact material has excellent mechanical and electrical properties and is widely used in vacuum switchgear.In this paper,the effects of Cr content on the breaking capacity,chopping current,high voltage withstanding and anti-weld property of CrCu contact material are reviewed.The function of other new alloy composition on its properties is also summarized.For the existing problems of CuCr contact material it is pointed out that strict control of the purity of raw materials and addition of new alloy are the main trend for development of high performance CuCr contact material.更多还原