CN104774036A - Composite coating material and ceramic vessel - Google Patents
Composite coating material and ceramic vessel Download PDFInfo
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- CN104774036A CN104774036A CN201410010927.3A CN201410010927A CN104774036A CN 104774036 A CN104774036 A CN 104774036A CN 201410010927 A CN201410010927 A CN 201410010927A CN 104774036 A CN104774036 A CN 104774036A
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Abstract
The invention provides a composite coating material and a ceramic vessel. A composite coating layer is composed of an intermediate layer, a heating layer, and a surface layer; the heating layer is composed of, by weight, 12 to 18% of aluminum oxide, 11 to 13% of zinc oxide, 16 to 30% of an iron-based mixture, 45 to 46% of siliver, and 8 to 20% of a fluxing agent; the surface layer is composed, by weight, 21 to 26% of aluminum oxide, 28 to 40% of silicon oxide, 7 to 8% of calcium oxide, 7 to 9% of magnesium oxide, 22 to 23% of an iron oxide compound, 16 to 28% of zinc oxide, and 8 to 20% of a fluxing agent.
Description
Technical field
The present invention relates to coated material, this coated material and ceramic member have good associativity.
Background technology
The non-conductive not magnetic conduction of stupalith, cannot use on electromagnetic heating apparatus, prior art to adopt in stupalith applying coating or in stupalith, is mixed into the mode of magnetic conduction matter metal or metal oxide for this reason, increases the heat effect of stupalith in alternating magnetic field.During adopting said method, be mixed into the resistivity of material, magnetic permeability and the thermal bond with stupalith, must pay close attention to emphatically.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of composite coating material, is applied to electromagnetic heating apparatus, and this composite coating material has good magnetic thermo-efficiency and homogeneous thermal expansivity.
A kind of compound coating, it is characterized in that, be made up of middle layer, heating layer and surface layer, by weight percentage, described heating layer by aluminum oxide 12% ~ 18%, zinc oxide 11% ~ 13%, iron based mixture totally 16% ~ 30%, silver 45% ~ 46%, fusing assistant 8% ~ 20% form, described surface layer is made up of aluminum oxide 21% ~ 26%, silicon oxide 28% ~ 40%, calcium oxide 7% ~ 8%, magnesium oxide 7% ~ 9%, iron oxide 22% ~ 23%, zinc oxide 16% ~ 28%, fusing assistant 8% ~ 20%.
Described iron oxide is ferric oxide.
Described iron based mixture at least comprises iron-nickel alloy.
A preparation method for compound coating, is characterized in that comprising the following steps,
Configure basic unit's raw material on request, crystallization after fusing, grinding, makes base layer dope, this base layer dope is coated on ceramic member;
Sintered ceramic part;
Configure middle layer raw material on request, crystallization after fusing, grinding, makes intermediate layer coating, this intermediate layer coating is coated on described basic unit;
Configure heating layer raw material on request, get the rear crystallization of aluminum oxide, zinc oxide and fusing assistant fusing, grind after being mixed into iron based mixture and silver, make heating layer coating, by this heating layer paint in described middle layer;
Configure face stock on request, crystallization after fusing, grinding, makes investment precoat, this intermediate layer coating is coated on described heating layer;
Dry, sintering.
Be applicable to a pottery for electromagnetic heating apparatus, it is characterized in that being made up of ceramic matrix and compound coating, described ceramic matrix is made up of described stupalith, and described compound coating is made up of basic unit, middle layer, heating layer and surface layer.
In pottery of the present invention, by weight percentage, described ceramic matrix forms primarily of triphane, petalite, eucryptite, quartz, kaolin, zinc oxide, magnesium oxide and barium oxide.
Be applicable to a preparation method for the pottery of electromagnetic heating apparatus, it is characterized in that comprising the following steps:
By the recipe configuration triphane of ceramic matrix, petalite, quartz and kaolinic mixing raw material, selective flocculation, controls boron, potassium, sodium adds up to and be less than 3%, make stock after precipitation;
In stock, add zinc oxide, magnesium oxide, barium oxide and Quilonum Retard by the formula of ceramic matrix, make ceramic blank;
Pottery blank is placed in 800 DEG C ~ 900 DEG C pre-burnings 2 hours, and ceramic blank is placed in 1300 DEG C ~ 1500 DEG C pre-burnings 8 hours, is reduced to normal temperature gradually, makes ceramic matrix in 2 hours;
Configure middle layer raw material on request, crystallization after fusing, grinding, makes intermediate layer coating, this intermediate layer coating is coated on the ceramic matrix of sintering;
Configure heating layer raw material on request, get the rear crystallization of aluminum oxide, zinc oxide and fusing assistant fusing, grind after being mixed into iron based mixture and silver, make heating layer coating, by this heating layer paint in described middle layer;
Configure face stock on request, crystallization after fusing, grinding, makes investment precoat, this intermediate layer coating is coated on described heating layer;
Dry, then sinter.
This composite coating material has good magnetic thermo-efficiency and homogeneous thermal expansivity.Its with based on the ceramics component of silicon oxide and aluminum oxide, there is good associativity, frequent temperature vibration and cold and hot change can not cause coating shedding.
Embodiment
Ceramic matrix of the present invention, is made up of triphane, petalite, quartz, kaolin, zinc oxide, magnesium oxide, barium oxide, Quilonum Retard, dispersion agent and softening agent.By accounting for ceramic body weight percent meter, magnesium oxide 7% ~ 8%, Quilonum Retard 0.1 ~ 2%, dispersion agent 0.01 ~ 0.5%, softening agent 1%.Described triphane provides the Lithium Oxide 98min of 4% ~ 5%, and the silicon oxide that described triphane, quartz and kaolin provide the aluminum oxide of 22% ~ 25% altogether, content is 4.68 times, magnesium oxide, content are the calcium oxide of 1.2 times, magnesium oxide, and boron, potassium, sodium add up to and is less than 3%.
The sintering processing of ceramic matrix is similar to existing heat-stable ceramic, first preheating, sinter again, taking-up of finally lowering the temperature.Sintering temperature is advisable to 1500 DEG C with 1300 DEG C.
Compound coating is made up of middle layer, heating layer and surface layer, and the particle in middle layer is large, and it is mainly principal constituent with common thermal glass, adds high expansion coefficient composition and the ferriferous oxides such as magnesium oxide.The thickness in middle layer is comparatively large, and it can connect ceramic matrix and metal.Main heating composition in heating layer is iron nickeline, and other compositions are mainly used in reducing and expand and flux, and the linear expansivity of heating layer material is not higher than 11 × 10
-6/ DEG C, be preferably 8 × 10
-6/ DEG C.Surface layer is except will considering expansion and heat-shock resistance, and wear-resisting and cracking resistance also will be considered.
embodiment one
Get petalite, triphane, eucryptite, quartz and kaolin, be ground to 250 orders, after adding water, add polyacrylamide, Repeated Selective flocculates, controlled oxidization boron about 2%, sodium oxide and potassium oxide add up to about 4%, and other impurity adds up to about 1.5%, makes stock after precipitation.Approximately contain in stock, aluminum oxide 32%, Lithium Oxide 98min 4%, silicon oxide 32.76%, calcium oxide 8.4%.Get zinc oxide 1%, magnesium oxide 7%, barium oxide 5%, Quilonum Retard 2%, water glass 0.3%, carboxymethyl cellulose 1%, join in stock, add water and make matrix, matrix is made vessel-shaped, this matrix at least has smooth bottom surface.Pottery blank is placed in 800 DEG C of pre-burnings 2 hours, and ceramic blank is placed in 1310 DEG C of pre-burnings 8 hours, is reduced to normal temperature gradually, makes ceramic matrix in 2 hours.
Configure middle layer raw material on request, described middle layer is made up of aluminum oxide 12%, calcium oxide 8%, magnesium oxide 11%, barium oxide 5%, ferric oxide 17%, boron oxide 14%, potassium oxide 2%, sodium oxide 1% and silicon oxide 30%.After each component fusing, 1200 DEG C of constant temperature crystallizatioies.Granularity 80 to 120 order after pulverizing, grinding, makes intermediate layer coating.Add appropriate stand linseed oil and make slurry, adopt silk-screen printing technique this intermediate layer coating to be coated on the ceramic matrix of sintering, print thickness 2.7mm to 5mm.
Configure heating layer raw material on request, described heating layer by aluminum oxide 18%, magnesium oxide 7%, iron and nickel totally 20%, silver-colored 45%, boron oxide 5%, potassium oxide 4%, sodium oxide 1% form.Get the rear crystallization of aluminum oxide, magnesium oxide and fusing assistant (boron oxide, potassium oxide and sodium oxide) fusing, grind after being mixed into iron based mixture and silver, make heating layer coating, add appropriate stand linseed oil and make slurry, adopt silk-screen printing technique by this heating layer paint in described middle layer.Require granularity 200 to 280 order after grinding, print thickness 1.5mm to 3mm.
Configure face stock on request, described surface layer is made up of aluminum oxide 26%, silicon oxide 40%, calcium oxide 7%, magnesium oxide 7%, ferric oxide 12%, zinc oxide 2%, potassium oxide 5%, sodium oxide 1%.Crystallization after each component fusing, grinding, makes investment precoat, adds appropriate stand linseed oil and make slurry, adopts silk-screen printing technique that this surface layer coating is coated on described heating layer.Require granularity 200 to 280 order after grinding, print thickness 1.5mm to 3mm.
120 DEG C of oven dry, sinter through 900 DEG C again, make pottery.
embodiment two
Ceramic matrix by aluminum oxide 32%, Lithium Oxide 98min 4.5%, silicon oxide 33.7428%, calcium oxide 8.652%, zinc oxide 1%, magnesium oxide 7.21%, barium oxide 5%, Quilonum Retard 0.1%, dispersion agent 0.5%, softening agent 1%, the boron oxide of surplus, potassium oxide and sodium oxide composition.
Described middle layer is made up of aluminum oxide 18%, silicon oxide 30.8%, calcium oxide 8%, magnesium oxide 7.2%, barium oxide 4%, ferric oxide 14%, boron oxide 12%, potassium oxide 2%, sodium oxide 4%.Aluminum oxide is too much, and intensity is large but coating easily comes off.Silicon oxide, calcium oxide and magnesium oxide can melt altogether, quick crystallization.
Described heating layer is by aluminum oxide 12%, magnesium oxide 8%, iron-nickel alloy (Ni
3fe) 12%, iron 13%, silver 46%, boron oxide 6%, potassium oxide 2%, sodium oxide 1% form.The effect mainly magnetic conduction conduction of iron nickel.
Described surface layer is made up of aluminum oxide 26%, silicon oxide 32%, calcium oxide 8%, magnesium oxide 7%, ferric oxide 13%, zinc oxide 8%, potassium oxide 2%, sodium oxide 4%.A small amount of magnesium oxide can increase wear resistance in calcium oxide and silicon oxide.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a compound coating, it is characterized in that, be made up of middle layer, heating layer and surface layer, by weight percentage, described heating layer by aluminum oxide 12% ~ 18%, zinc oxide 11% ~ 13%, iron based mixture totally 16% ~ 30%, silver 45% ~ 46%, fusing assistant 8% ~ 20% form, described surface layer by aluminum oxide 21% ~ 26%, silicon oxide 28% ~ 40%, calcium oxide 7% ~ 8%, magnesium oxide 7% ~ 9%, iron oxide 22% ~ 23%, zinc oxide 16% ~ 28%, fusing assistant 8% ~ 20% forms.
2. compound coating according to claim 1, is characterized in that, described fusing assistant is made up of boron oxide, potassium oxide and sodium oxide, and the content of boron oxide is not less than potassium oxide and sodium oxide sum.
3. compound coating according to claim 1, is characterized in that, described iron oxide is ferric oxide.
4. compound coating according to claim 1, is characterized in that, described iron based mixture at least comprises iron-nickel alloy.
5. a preparation method for compound coating, is characterized in that comprising the following steps,
By heating layer paint in described middle layer;
Investment precoat is coated on described heating layer;
Dry, sintering.
6. a pottery, it is characterized in that being made up of ceramic matrix and compound coating, described ceramic matrix is made up of described stupalith, and described compound coating is made up of middle layer, heating layer and surface layer.
7. pottery according to claim 6, is characterized in that, by weight percentage, described ceramic matrix forms primarily of triphane, petalite, eucryptite, quartz, kaolin, zinc oxide, magnesium oxide and barium oxide.
8. a preparation method for pottery, is characterized in that comprising the following steps:
Make stock;
Make ceramic matrix;
Intermediate layer coating is coated on the ceramic matrix of sintering;
By heating layer paint in described middle layer;
Investment precoat is coated on described heating layer;
Dry, then sinter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410010927.3A CN104774036A (en) | 2014-01-10 | 2014-01-10 | Composite coating material and ceramic vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410010927.3A CN104774036A (en) | 2014-01-10 | 2014-01-10 | Composite coating material and ceramic vessel |
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| CN104774036A true CN104774036A (en) | 2015-07-15 |
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ID=53615844
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410010927.3A Pending CN104774036A (en) | 2014-01-10 | 2014-01-10 | Composite coating material and ceramic vessel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534800A (en) * | 2018-12-29 | 2019-03-29 | 山东天汇研磨耐磨技术开发有限公司 | A kind of magnetization high-bond height grinding consistent ceramic ground section and its manufacturing method |
| WO2021098408A1 (en) * | 2019-11-18 | 2021-05-27 | 深圳麦克韦尔科技有限公司 | Modification layer on surface of ceramic substrate and preparation method therefor, ceramic heating body and electronic atomization device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101077274A (en) * | 2007-04-17 | 2007-11-28 | 景德镇陶瓷学院 | High heat-resisting ceramic cooking cook ware suitable for electromagnetic induction furnace |
| CN101396228A (en) * | 2008-11-05 | 2009-04-01 | 简广 | Ceramic vessel special for electromagnetic heating |
| CN102612301A (en) * | 2012-03-01 | 2012-07-25 | 昆山市中迪新材料技术有限公司 | Heat conduction device and manufacturing method thereof |
-
2014
- 2014-01-10 CN CN201410010927.3A patent/CN104774036A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101077274A (en) * | 2007-04-17 | 2007-11-28 | 景德镇陶瓷学院 | High heat-resisting ceramic cooking cook ware suitable for electromagnetic induction furnace |
| CN101396228A (en) * | 2008-11-05 | 2009-04-01 | 简广 | Ceramic vessel special for electromagnetic heating |
| CN102612301A (en) * | 2012-03-01 | 2012-07-25 | 昆山市中迪新材料技术有限公司 | Heat conduction device and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534800A (en) * | 2018-12-29 | 2019-03-29 | 山东天汇研磨耐磨技术开发有限公司 | A kind of magnetization high-bond height grinding consistent ceramic ground section and its manufacturing method |
| WO2021098408A1 (en) * | 2019-11-18 | 2021-05-27 | 深圳麦克韦尔科技有限公司 | Modification layer on surface of ceramic substrate and preparation method therefor, ceramic heating body and electronic atomization device |
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