The direct liquid phase bonding of ceramics to metals or other ceramics in an inert atmosphere without prior metallization wherein a nickel-plated aluminum-silicon brazing alloy or aluminum or aluminum alloy filler material between the ceramic and metal layers provides a joint of high strength at a low...http://www.google.com/patents/US4602731?utm_source=gb-gplus-sharePatent US4602731 - Direct liquid phase bonding of ceramics to metals
