JPS5684146A - Surface treatment of casting mold - Google Patents
Surface treatment of casting moldInfo
- Publication number
- JPS5684146A JPS5684146A JP15975479A JP15975479A JPS5684146A JP S5684146 A JPS5684146 A JP S5684146A JP 15975479 A JP15975479 A JP 15975479A JP 15975479 A JP15975479 A JP 15975479A JP S5684146 A JPS5684146 A JP S5684146A
- Authority
- JP
- Japan
- Prior art keywords
- soln
- casting mold
- powder
- heat resistant
- aqueous
- 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
- Mold Materials And Core Materials (AREA)
Abstract
PURPOSE: To obtain casting mold surface of small occurrence ratio of troubles such as sand burning, by spraying Al powder simultaneously with a mixed soln. made by addition with a prescribed ratios of heat resistant oxides, carbon, and silicon carbide to a soln. of caustic alkali.
CONSTITUTION: To an aqueous soln. such as aqueous 5W20% NaOH or KOH soln. are added 0W100wt%, based on said soln., heat resistant oxide i.e. single substance or compound of Al2O3, MgO, SiO2, ZrO, TiO2 etc., carbon, and carbide such as silicon carbide, Said aqueous soln. and powder or fine powder of Al are simultaneously painted by spraying to the surface of a casting mold to form heat resistant solidified coating. The ratio of alkali quantity to pure Al powder is 1:(0.6W1.0). Hereby the surface treatment of the casting mold is industrially performed simply, easily, and economically with elimination of the heat treatment process to be conducted after painting of facing material to the mold surface unlike in conventional process.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15975479A JPS5684146A (en) | 1979-12-11 | 1979-12-11 | Surface treatment of casting mold |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15975479A JPS5684146A (en) | 1979-12-11 | 1979-12-11 | Surface treatment of casting mold |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5684146A true JPS5684146A (en) | 1981-07-09 |
Family
ID=15700522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15975479A Pending JPS5684146A (en) | 1979-12-11 | 1979-12-11 | Surface treatment of casting mold |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5684146A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5945054A (en) * | 1982-09-04 | 1984-03-13 | Fuji Heavy Ind Ltd | Production of core for casting light alloy |
-
1979
- 1979-12-11 JP JP15975479A patent/JPS5684146A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5945054A (en) * | 1982-09-04 | 1984-03-13 | Fuji Heavy Ind Ltd | Production of core for casting light alloy |
JPH0372372B2 (en) * | 1982-09-04 | 1991-11-18 | Fuji Jukogyo Kk |
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