| 摘要 |
<p>Sintered composite material for the manufacture of electrical contacts, which has a weight composition of 92 % to 98 % of silver particles, from 1 % to 7 % of graphite particles coated with a nickel coating and 1 % to 3 % of uncoated graphite particles. Application: contact points for breakers, contactors, switches. <IMAGE></p> |
