原材料对AgWC(45)触头性能的影响

Influence of Raw Materials on AgWC(45) Contact Properties

研究了WC粉粒度、不同工艺方法制造的银粉、铁系金属元素的添加量等因素对AgWC(45)触头性能的影响,结果表明:使用细粒度WC粉有利于提高触头的综合性能;使用化学银粉比雾化银粉更易获得均匀的组织;添加适量的铁系金属元素有利于改善压坯的渗透性。

Influences of different elements on the properties of AgWC（45） contact material are studied, such as the particle size of WC powder, the Ag powder made by different methods, and the quantity of Fe-based metal element. Results show that fine WC powder can improve the comprehensive properties of the contact material. And it is easier to obtain homogeneous microstructure for the contact material with chemical Ag powder than with atomized Ag powder. Appropriate quantity of Fe-based metal element can help improve the infiltration performance of tips.