JPS6418971A - Aluminum oxide composite and production thereof - Google Patents
Aluminum oxide composite and production thereofInfo
- Publication number
- JPS6418971A JPS6418971A JP62172428A JP17242887A JPS6418971A JP S6418971 A JPS6418971 A JP S6418971A JP 62172428 A JP62172428 A JP 62172428A JP 17242887 A JP17242887 A JP 17242887A JP S6418971 A JPS6418971 A JP S6418971A
- Authority
- JP
- Japan
- Prior art keywords
- mixture
- component
- whisker
- al2o3
- vacuum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
PURPOSE:To obtain the titled composite having excellent hardness, bending strength, breaking toughness, etc., and useful as a material for cutting tool or abrasion-resistant tool, by adding powder and/or whisker of Al2O3 to a mixture of a specific organic compound and a solvent, stirring and drying the obtained mixture and carbonizing the mixture by heating in vacuum or nonoxidizing gas atmosphere. CONSTITUTION:(A) A mixture of (a) a prescribed amount of an organic compound (e.g. resol phenolic polymer) selected from vinyl compound, polymeric compound and their precursor and (b) a solvent capable of dissolving the component (a) (e.g. methanol or phenol) is added with (B) powder and/or whisker of Al2O3 having an average particle diameter of <=2mum and the obtained mixture is dried. The product is pressed as necessary and heated at 500-1,000 deg.C in vacuum or in a nonoxidizing gas such as Ar, N2 or H2 to effect the carbonization of the component (a). The titled composite composed of the component B coated with 0.03-3wt.% of carbon is produced by this process.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62172428A JPS6418971A (en) | 1987-07-10 | 1987-07-10 | Aluminum oxide composite and production thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62172428A JPS6418971A (en) | 1987-07-10 | 1987-07-10 | Aluminum oxide composite and production thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6418971A true JPS6418971A (en) | 1989-01-23 |
Family
ID=15941789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62172428A Pending JPS6418971A (en) | 1987-07-10 | 1987-07-10 | Aluminum oxide composite and production thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6418971A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001206716A (en) * | 2000-01-26 | 2001-07-31 | Mizusawa Ind Chem Ltd | Granular body and or molding of modified alumina and/or hydrated alumina, and manufacturing method thereof |
JP2005213056A (en) * | 2004-01-27 | 2005-08-11 | Tadaaki Shimizu | Hard activated carbon adsorbent and its production method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55116660A (en) * | 1979-02-27 | 1980-09-08 | Toshiba Ceramics Co | Aluminaagraphite casting nozzle and its manufacture |
-
1987
- 1987-07-10 JP JP62172428A patent/JPS6418971A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55116660A (en) * | 1979-02-27 | 1980-09-08 | Toshiba Ceramics Co | Aluminaagraphite casting nozzle and its manufacture |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001206716A (en) * | 2000-01-26 | 2001-07-31 | Mizusawa Ind Chem Ltd | Granular body and or molding of modified alumina and/or hydrated alumina, and manufacturing method thereof |
JP2005213056A (en) * | 2004-01-27 | 2005-08-11 | Tadaaki Shimizu | Hard activated carbon adsorbent and its production method |
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