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US 2011/0209618 A1Published application
Ceramic product and ceramic member bonding method
AssigneeNoritake Co., Limited
InventorsYosuke Takahashi, Sumihito Sago, Seiji Yamada, Masayoshi Hirano
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Abstract
The ceramic product provided by the present invention is provided with at least two ceramic members bonded to each other, and the bond parts between these ceramic members bonded to each other are formed from glass having leucite crystals precipitated within the glass matrix.
Claims6
A ceramic product, comprising
- an oxygen separation membrane made of an oxide ceramic with a perovskite structure which is an oxygen ion conductor,
- at least one ceramic connecting member bonded to the oxygen separation membrane, and
- a bond part between the oxygen separation membrane and the connecting member, wherein
- the bond part is formed from a crystalline-amorphous composite material characterized by having leucite crystals precipitated in a dispersed state in a glass matrix, and
- the bond part is formed of the following oxide components in the following mass ratios as oxides:
- SiO2 40 to 75 mass %;
- Al2O3 5 to 20 mass %;
- Na2O 5 to 20 mass %;
- K2O 5 to 20 mass %;
- MgO 0 to 3 mass %;
- CaO 0 to 3 mass %;
- and
- SrO 0 to 3 mass %,
- and wherein
- a thermal expansion coefficient of the bond part is 10 to 14×10−6K−1.
12 more elements
A bond material for use in an oxygen separation membrane and a ceramic connecting member, the material comprising
- a powder of a crystalline-amorphous composite material characterized by having leucite crystals precipitated in a dispersed state in a glass matrix,
- a solvent for dispersing the powder,
- an organic compound that functions as a binder,
- wherein the crystalline-amorphous composite material is effectively composed of the following oxide components in the following mass ratios as oxides:
- SiO2 40 to 75 mass %;
- Al2O3 5 to 20 mass %;
- Na2O 5 to 20 mass %;
- K2O 5 to 20 mass %;
- MgO 0 to 3 mass %;
- CaO 0 to 3 mass %;
- and
- SrO 0 to 3 mass %,
- and wherein
- a thermal expansion coefficient of the bond part is 10 to 14×10−6 K−1.
11 more elements
Dependencies are inferred from the claim text.