Process for joining brass part and silicone carbide ceramics part and composite articles made by same
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United States of America Patent
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Apr 30, 2013
Grant Date -
Jun 7, 2012
app pub date -
Jun 22, 2011
filing date -
Dec 2, 2010
priority date (Note) -
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Abstract
A process for joining a brass part and a silicone carbide ceramics part, comprising steps of: providing a metal part made of brass, a ceramic part made of silicone carbide ceramics, a titanium foil and a nickel foil; bring the metal part, ceramic part, titanium foil and nickel foil into contact, with the titanium and nickel foil inserted between the metal part and ceramic part; applying a pressure of about 20 MPa˜60 MPa to the parts to be joined; and simultaneously applying a pulse electric current to the parts while the pressure is applied for heating up the parts to a temperature of about 950° C. to about 1150° C. at a rate of about 50° C./min˜300° C./min, maintaining the temperature for about 20 minutes˜40 minutes.
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