Sintered silver-iron material for electrical contacts and process for producing it
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United States of America Patent
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Nov 16, 1999
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N/A
app pub date -
Feb 27, 1997
filing date -
Feb 27, 1996
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Expired
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Abstract
Sintered silver-iron material for electrical contacts, with properties comparable with those of silver-nickel materials, is obtained by using iron powder having more than 0.25% carbon by weight and microhardness higher than 200 HV 0.025 and sintering in a hydrogen-free protective gas.
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