In the paper, the cathode spot movements and chopping current of pure graphite and copper-impregnated metallized graphite (Cu-C) in vacuum were investigated.
研究了纯石墨和铜-石墨材料的阴极斑点的特性及真空电弧截流现象。
The technology of repressing and re-sintering in powder metallurgy had been used to fabricate a c Cu-C composite materials attaining above 95% of the theoretical density.
采用粉末冶金复压复烧技术制备出高密度的铜碳复合材料，对两种成分铜碳复合材料的显微组织、物理力学性能和耐磨性能进行了对比试验。
The progress of hard anodizing investigation employing A. C. superimposed on D. C. , pulse current and alternating cu…
着重评述了交直流叠加，脉冲电流和交流电源在硬质阳极氧化研究中的进展情况。
The relative density of pressed compacts, which were prepared by high-energy milling 3%c-cu powders with the same high-energy mechanical milling time, increases with increasing compacting pressure.
高能球磨时间相同时，粉末压坯相对密度随压制压力的增加而增大。
The relative density of pressed compacts, which were prepared by high-energy milling 3%c-cu powders with the same high-energy mechanical milling time, increases with increasing compacting pressure.
高能球磨时间相同时，粉末压坯相对密度随压制压力的增加而增大。
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