COPPER-TIN MULTICOMPONENT BRONZE CONTAINING HARD PHASES, PRODUCTION PROCESS AND USE
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United States of America Patent
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Issued Date -
Oct 11, 2012
app pub date -
Apr 5, 2012
filing date -
Apr 7, 2011
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Abstract
The invention relates to a copper-tin multicomponent bronze consisting of (in % by weight):
- 0.5 to 14.0% Sn,0.01 to 8.0% Zn,0.01 to 0.8% Cr,0.05 to 2.0% Al,0.01 to 2.0% Si,optionally in addition up to a maximum of 0.1 to 3.0% Mn andoptionally in addition up to a maximum of 0.08% P andoptionally in addition up to a maximum of 0.08% S,remainder copper and unavoidable impurities,wherein, in the structure, silicides and/or chromium particles are deposited, which are surrounded by a tin film in the form of a highly tin-containing accumulation.
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