CN101342571A - Preparation method for magnesium alloy cast paint - Google Patents
Preparation method for magnesium alloy cast paint Download PDFInfo
- Publication number
- CN101342571A CN101342571A CNA2007100580774A CN200710058077A CN101342571A CN 101342571 A CN101342571 A CN 101342571A CN A2007100580774 A CNA2007100580774 A CN A2007100580774A CN 200710058077 A CN200710058077 A CN 200710058077A CN 101342571 A CN101342571 A CN 101342571A
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- magnesium alloy
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Abstract
The present invention relates to a method for preparing the magnesium casting coating; 0.8 percent paligorskite clay that is configured with 17 percent of water is milled for 3 hours to be made into solution A; secondly 3 percent of talcum powder, 4 percent of diatomite, 0.6 percent of NH4BF4 and 3 percent of boric acid are put into a spherical mill, and is respectively mixed with solution A, 4 percent of silica sol and 67.6 of percent water to be milled for 3 hours to obtain the magnesium alloy metal-typed casting coating; metal mould is heated to be about 200 DEG C, and then is sprayed with a layer of magnesium alloy casting coating on the surface, and is dried finally. The method of the present invention has the advantages of strong heat preservation, flame retardant performance, sticking performance and coating performance, favorable suspension performance and less heat fracture of the casting piece. Oxidation is prevented, so the surface is bright and smooth and is free from oxidized wrinkle.
Description
Technical field
What the present invention relates to is a kind of preparation method for magnesium alloy cast paint.
Background technology
The coating that current magnesium alloy production is used is used the coating of aluminium alloy mostly, and special coating is few, and the magnesium foundry goods often produces decrepitation in the use.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, propose a kind of preparation method for magnesium alloy cast paint, have excellent flame retardancy, heat insulating ability, caking property and coating, no hot tearing, any surface finish, non-oxidation elephant skin.
Technical scheme of the present invention is: a kind of preparation method for magnesium alloy cast paint is characterized in that: 0.8% palygorskite clay is mixed 17% water milling 3 hours, make first liquid; Again 3% talcum powder, 4% diatomite, 0.6%NH4BF4 and 3% boric acid are put into ball mill, added first liquid, 4% Ludox and 67.6% water milling respectively 3 hours, get magnesium-alloy metal-type casting coating, metal die is heated to about 200 ℃ with being sprayed on the metal die surface is coated with and hangs one deck magnesium alloy cast paint, get final product after the oven dry.
Beneficial effect of the present invention: stronger heat insulating ability, anti-flammability, caking property and coating, good suspension, the hot cracking tendency of minimizing foundry goods.Stop oxidation, any surface finish, non-oxidation elephant skin.
The specific embodiment
Embodiment: a kind of preparation method of magnesium alloy cast paint, 0.8% palygorskite clay is mixed 17% water milling 3 hours, make first liquid; Again 3% talcum powder, 4% diatomite, 0.6%NH4BF4 and 3% boric acid are put into ball mill, added first liquid, 4% Ludox and 67.6% water milling respectively 3 hours, get magnesium-alloy metal-type casting coating, metal die is heated to about 200 ℃ with being sprayed on the metal die surface is coated with and hangs one deck magnesium alloy cast paint, get final product after the oven dry.
Claims (1)
1, a kind of preparation method for magnesium alloy cast paint is characterized in that: 0.8% palygorskite clay is mixed 17% water milling 3 hours, make first liquid; Again 3% talcum powder, 4% diatomite, 0.6%NH4BF4 and 3% boric acid are put into ball mill, added first liquid, 4% Ludox and 67.6% water milling respectively 3 hours, get magnesium-alloy metal-type casting coating, metal die is heated to about 200 ℃ with being sprayed on the metal die surface is coated with and hangs one deck magnesium alloy cast paint, get final product after the oven dry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100580774A CN101342571A (en) | 2007-07-12 | 2007-07-12 | Preparation method for magnesium alloy cast paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100580774A CN101342571A (en) | 2007-07-12 | 2007-07-12 | Preparation method for magnesium alloy cast paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101342571A true CN101342571A (en) | 2009-01-14 |
Family
ID=40244758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100580774A Withdrawn CN101342571A (en) | 2007-07-12 | 2007-07-12 | Preparation method for magnesium alloy cast paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101342571A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014721A (en) * | 2014-05-09 | 2014-09-03 | 方学军 | Alcohol-based foundry coating of light burned dolomite and fabrication method thereof |
| CN104014726A (en) * | 2014-05-09 | 2014-09-03 | 方学军 | Mullite/magnesia composite alcohol-base casting paint and production method thereof |
| CN104190858A (en) * | 2014-06-26 | 2014-12-10 | 芜湖市鸿坤汽车零部件有限公司 | Sillimanite/titanium dioxide composite alcohol-based casting paint and preparation method thereof |
| CN106270371A (en) * | 2016-08-29 | 2017-01-04 | 上海交通大学 | Magnesium alloy sand mold casts with from hard fire-retardant transfer coatings and preparation method thereof |
-
2007
- 2007-07-12 CN CNA2007100580774A patent/CN101342571A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014721A (en) * | 2014-05-09 | 2014-09-03 | 方学军 | Alcohol-based foundry coating of light burned dolomite and fabrication method thereof |
| CN104014726A (en) * | 2014-05-09 | 2014-09-03 | 方学军 | Mullite/magnesia composite alcohol-base casting paint and production method thereof |
| CN104014721B (en) * | 2014-05-09 | 2016-06-08 | 方学军 | A kind of light dolomite alcohol-base foundry coating and preparation method thereof |
| CN104014726B (en) * | 2014-05-09 | 2016-06-08 | 方学军 | A kind of alcohol-base foundry coating of mullite/magnesia compound and preparation method thereof |
| CN104190858A (en) * | 2014-06-26 | 2014-12-10 | 芜湖市鸿坤汽车零部件有限公司 | Sillimanite/titanium dioxide composite alcohol-based casting paint and preparation method thereof |
| CN104190858B (en) * | 2014-06-26 | 2016-08-24 | 芜湖市鸿坤汽车零部件有限公司 | Alcohol-base foundry coating that a kind of sillimanite/titanium dioxide is compound and preparation method thereof |
| CN106270371A (en) * | 2016-08-29 | 2017-01-04 | 上海交通大学 | Magnesium alloy sand mold casts with from hard fire-retardant transfer coatings and preparation method thereof |
| CN106270371B (en) * | 2016-08-29 | 2020-02-21 | 上海交通大学 | Self-hardening flame-retardant transfer coating for magnesium alloy sand mold casting and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |