自行设计了电弧腐蚀速率的测量方法,避免了一般电弧腐蚀速率测量中存在的不足,并对真空断路器中常用的CuCr25,CuCr50触头材料以及纯Cu和纯Cr的电弧腐蚀速率进行了测量.研究结果表明,纯Cu,CuCr25,CuCr50和纯Cr的电弧腐蚀速率分别为52.9μg/C,33.2μg/C,31μg/C和25.9μg/C.CuCr25和CuCr50的电弧腐蚀速率相差不大,都较纯Cu有大幅度的降低,而与纯Cr的电弧腐蚀速率比较接近.此外,用SEM对4种触头材料经100次燃弧之后的电极表面进行了现测,清楚地反映了经电弧腐蚀之后触角材料的表面特征.
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