Funded by the National Natural Science Foundation of China(No.50071043)
Nanostructured ( NS )W-Cu composite powder was prepared by mechanical alloying ( MA ), and nanostructared bulk of W-Cu contact material was fabricated by hot press sintering in an electrical vacuum furnace. The rn...
This work was financially supported by the National Natural Science Foundation of China (No. 50071043) the Natural Science Foundation ofShaanxi Province, China (No. 2004E105).
The erosion behavior of a nanocomposite W-Cu material under arc breakdown was investigated. The arc erosion rates of the material were determined, and the eroded surfaces and arc erosion mechanisms were studied by sca...