The microstructure uniformity, hardness, electric erosion and stability of breakdown voltage for NS W-Cu electrical contact material excel that of conventional PM W-Cu alloy, but the electric conductivity is equivalent.

• 结果表明 ,纳米晶W Cu电触头材料的硬度、抗电弧烧蚀性及耐电压稳定性远优于传统熔渗法的W Cu合金 ,而电导率两者相差不大。