Metal ceramic composite structure

Details Metal ceramic composite structure Metal ceramic composite structure

1995-02-13

1996-08-06

Nguyen, Ngoc-Yen

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428629, 428633, 428654, 428471, B23K 3100

Patent

active

055431305

ABSTRACT:
A multi-layer metal-ceramic material including an alumina layer and a metallic layer including an Mg-containing alloy. The alumina layer and metallic layer are bonded together via a reaction layer including MgAl.sub.2 O.sub.4 spinel. The alumina and metallic layers are pressed together and heated to a temperature below the solidus of the Mg-containing alloy, whereby the Mg migrates through the metallic layer to the interface and reacts with the alumina layer to form the spinel reaction layer. The bonded interface is excellent in resistance to Na attack.

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