Ceramics joined body and method of joining ceramics

摘要

Novel method of joining a ceramics containing aluminum and another member made of a metal or a ceramics is provided having an improved joining strength and a corrosion-resistant property by joining a first member 50 made of a ceramics consisting of an aluminum compound and a second member 51 made of a ceramics or a metal, which comprises forming a metal film 52 directly on a surface 50a to be joined of the first member 50, interposing a metallic joining material 53 which is made of a different material from the metal film 52 between the metal film 52 and the second member 52, and heating at least the metallic joining material 53 and the metal film 52 in such an interposed state to from a joining layer 54 made of the metallic joining material and an intermetallic compound between the first and second members 50, 51 so as to join the two members 50, 51.