supported by National Natural Science Foundation of China(No50741003);Key Project of Science and Technology of Ministry of Education of China (No107066);Anhui Provincial Natural Science Foundation(No070414181)
Silver matrix composite brushes were fabricated by means of powder metallurgy, which included pressing at 300 MPa and then sintering for 1 h in pure H2 protective atmosphere at 700 ℃ and repressing at 500 MPa. Four k...
Supported by National Natural Science Foundation of China (50741003);Key Project of Science and Technology of Ministry of Education of China (107066);Anhui Provincial Natural Science Foundation (070414181)
The paper was financially supported by the National Natural Science Foundation of China (No. 50741003), Anhui Provincial Natural Science Foundation (No, 070414181) and key project of Science and Technology of Ministry of Education of China (No. 107066).