SILVER-OXIDE BASED SINTERING MATERIAL FOR ELECTRICAL CONTACTS AND PROCEDURE FOR ITS PREPARATION.

摘要

AN ELECTRICAL CONTACT MATERIAL FOR CONNECTION OF NOMINAL CURRENTS BETWEEN 20 AND 100 AMPS WITH IMPROVED LIFETIME OF SERVICE IS MADE FROM 3.2 TO 9.9% IN WEIGHT OF TIN OXIDE AND 0.05 TO 0.4% BY WEIGHT OF INDOX OXIDE AND BISMUTE OXIDE, THE REST SILVER. IN THE METALLURGICAL PROCESSING OF MATERIAL POWDER MORE THAN 60% BY WEIGHT OF TIN OXIDE SHOWS A PARTICLE SIZE GREATER THAN ONE MICRON.