专利名称：Electrical contact materials发明人：DOUGLAS; PETER,PEDDER; DAVID
JOHN,SWALLOW; PETER JOHN,DAVIES;TERRENCE ARDERN
申请号：US38416173申请日：19730730公开号：US3922236A公开日：19751125
摘要：An electrical contact material which consists of a mixture of silver, 5 to 50weight percent of copper and 2 to 20 weight percent of lanthanum, strontium chromiteof formula La1-xSrxCrO3, where the values of x lie between 0 and 1.0, formed as a hard,chemically inert, non-metallic phase of high electrical conductivity both within the bulk of,and at the surface of, the contact material. Methods of producing the electrical contactmaterials utilizing powder metallurgical techniques are outlined.
申请人：SQUARE D COMPANY
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