Patent ID: 9731377
Date: 2017-08-15
CPC Classifications: B22F,B23K,B23P,B33Y,Y02P

Claim:
1. A method of forming a bonded article, the method comprising: providing first and second articles, the first and second articles each having a respective bond surface; providing a porous interlayer region interposed between the bond surfaces of the first and second articles, the interlayer region having a porosity of between approximately 10% and 30%; and subsequently locally heating the interlayer region under contact pressure to a bonding temperature below the melting temperature of the interlayer region and the first and second articles to thereby bond the interlayer region to the first and second articles to form the bonded article, wherein the step of locally heating the interlayer comprises electrical resistance heating of the interlayer by passing an electrical current through the interlayer region.