| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrical contact material which has excellent deposition resistance, low contact resistance and good electric conductivity, and further has excellent arc erosion resistance. SOLUTION: The material is used for the contact of an electric apparatus or an electric circuit, and has a composition containing the first component selected from tungsten or molybdenum, the second component selected from copper or silver, and at least one of the third component selected from the groups constituting of calcium boride, titanium boride, strontium boride, barium boride, lanthanum boride, cerium boride, praseodymium boride, neodymium boride, samarium boride and europium boride.
|
