公开(公告)号：US3807965A

公开(公告)日：1974-04-30

申请号：US33856873

申请日：1973-03-06

申请人： FUJI ELECTRIC CO LTD

发明人： TAZAKI K ,  NAGAMI K ,  SHINOHARA H ,  KIKUCHI A

IPC分类号： C22C29/06 ,  C22C29/08 ,  H01B1/02 ,  H01H1/02 ,  H01H1/021 ,  H01H1/0233 ,  H01H11/04 ,  H01H33/66 ,  B22F1/00

CPC分类号： H01H1/0203 ,  C22C29/067 ,  H01H1/0233 ,  Y10S428/929

摘要： A contact material for a vacuum switch having a composition comprising from 50 to 75 percent of tungsten carbide, from 0.3 to 5 percent of cobalt, and a remainder of copper, said tungsten carbide having a finely pulverized structure of a grain size of less than 1.2 microns.

摘要翻译： 一种用于真空开关的接触材料，其具有包含50-75％的碳化钨，0.3-5％的钴和剩余的铜的组合物，所述碳化钨具有小于1.2的粒度的细粉碎结构 微米。

公开(公告)号：US3823041A

公开(公告)日：1974-07-09

申请号：US24787072

申请日：1972-04-26

申请人： FUJI ELECTRIC CO LTD

发明人： TAZAKI K ,  KOBAYASHI T

IPC分类号： C22C21/06 ,  C22F1/047 ,  H01B1/02 ,  C22F1/04

CPC分类号： C22F1/047 ,  C22C21/06 ,  H01B1/023

摘要： S NEW SLUMINUM ALLOY COMPOSED OF FROM 0.01 TO 0.8 PERCENT EACH OF MAGNESIUM AND IRON, FROM 0.001 TO0.3 PERCENT OF BERYLLIUM, AND A REMAINDER OF ALUMINUM AND IMPURITIES. THIS ALLOY CAN BE CAUSED TO EXHIBIT EFFECTIVELY ITS EXCELLENT PRPERTIES BY TREATING IT AS THE BERYLLIUM THEREIN IS MAINTAINED IN A SOLID-SOLUTION STATE AND PREVENTED FROM PRECIPITATION.