CN105439450A - Titanium alloy enamel coating material and preparation method thereof - Google Patents
Titanium alloy enamel coating material and preparation method thereof Download PDFInfo
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- CN105439450A CN105439450A CN201510804657.8A CN201510804657A CN105439450A CN 105439450 A CN105439450 A CN 105439450A CN 201510804657 A CN201510804657 A CN 201510804657A CN 105439450 A CN105439450 A CN 105439450A
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- titanium alloy
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
- C03C8/20—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions containing titanium compounds; containing zirconium compounds
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
- C23D11/00—Continuous processes; Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
- C23D5/00—Coating with enamels or vitreous layers
- C23D5/02—Coating with enamels or vitreous layers by wet methods
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
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Abstract
The invention discloses a titanium alloy enamel coating material and a preparation method thereof. A matrix material of the titanium alloy enamel coating material is of TC4 titanium alloy. The enamel coating comprises the following components in parts by weight: 60-70 parts of SiO2, 5-10 parts of ZrO2, 3-5 parts of TiO2, 1-5 parts of B2O3, 0.2-3 parts of K2O, 0.5-1 part of Sb2O3, 0.1-0.5 part of SrO, 0.2-1 part of NiO, 0-3 parts of CoO, 0.1-2.5 parts of CuO, 0-2 parts of ZnO, 0.2-3 parts of CaO, 0.5-2.5 parts of Al2O3, 0.1-0.2 part of MgO and 5-10 parts of NaNO3. The preparation method comprises the following steps: preparation of an enamel glaze material, preparation of slurry, pretreatment of the matrix, coating of the slurry, and sintering of a blank body. The titanium alloy enamel coating material has the advantages that the oxidation increase of the titanium alloy enamel coating material at 700 DEG C in air is not more than 0.05mg/cm<2>; in an impact thermal shock test that the titanium alloy enamel coating material is heated at 700 DEG C, subjected to thermal insulation and rapidly cooled, macroscopic cracks begin to appear after the test is repeatedly carried out for 60 times; obvious cracks still do not appear after the titanium alloy enamel coating material is thermally corroded for 120 hours in high-temperature molten salt.
Description
Technical field
The invention of this reality relates to high temperature alloy field of surface modification, is specifically related to a kind of titanium alloy enamel coating material and preparation method thereof.
Background technology
In order to improve the resistance to high temperature oxidation characteristic of titanium alloy, apply in titanium alloy-based surface the new direction that protective coating just becomes titanium alloy development.The high-temperature protection coating of titanium alloy surface is broadly divided into the large class of aluminide coating, modified aluminide coating, MCrAlY coating and thermal barrier coating four.
Enamel has high temperature oxidation resisting, sour environment thermal etching, and coatings and substrate material combines closely, and coating thermal expansivity is adjustable, and thermo-chemical stability is high, and compact structure, resistance to corrosion are excellent, and preparation technology of coating is simple simultaneously, low cost and other advantages.But common enamel withstand high temperatures limitation, so by adding the rare earth elements such as resistant to elevated temperatures yttrium oxide, cerium oxide in frit Raw Materials, thus improves the high temperature oxidation resisting behavior of enamel.
Summary of the invention
The object of the present invention is to provide a kind of titanium alloy enamel coating material and preparation method thereof, this titanium alloy enamel coating material has high temperature oxidation resisting and corrosion resistant effect.
To achieve these goals, technical scheme of the present invention is as follows:
Titanium alloy enamel coating material, body material adopts TC4 titanium alloy, and enamel coating formula consists of: SiO2:60 ~ 70, ZrO2:5 ~ 10, TiO2:3 ~ 5, B2O3:1 ~ 5, K2O:0.2 ~ 3, Sb2O3:0.5 ~ 1, SrO:0.1 ~ 0.5, NiO:0.2 ~ 1, CoO:0 ~ 3, CuO:0.1 ~ 2.5, ZnO:0 ~ 2, CaO:0.2 ~ 3, Al2O3:0.5 ~ 2.5, MgO:0.1 ~ 0.2, NaNO3:5 ~ 10.
The preparation method of titanium alloy enamel coating material is as follows:
1) preparation of frit for porcelain enamel, weighs the composition preparing frit for porcelain enamel by proportioning and passes through machinery fully mixing, putting into corundum pincers crucible afterwards, in 1400 DEG C of meltings in box-type high-temperature furnace, until when melt has smooth surface, pour in cold water by the mixture of melting, cold quenching is frit for porcelain enamel;
2) Pulp preparation, adds clay, nickel oxide, dehydrated alcohol by above-mentioned obtained frit for porcelain enamel, proportioning is frit for porcelain enamel 60%, clay 5%, nickel oxide 5%, dehydrated alcohol 30%, and ball milling 100h obtains glaze slip;
3) substrate pretreated, silicon carbide paper polishing matrix surface, ultrasonic cleaning 0.5h in acetone afterwards;
4) slurry coating, adopts high-pressure spray gun to be sprayed to by glaze slip on pretreated matrix, between 70 ~ 80 DEG C, carries out drying, finally obtains matrix surface and forms the tectal idiosome of uniform powdery;
5) idiosome sintering, dried idiosome is placed on refractory brick, in 950 sintering 1h in box-type furnace.
Advantage of the present invention and beneficial effect are: in this titanium alloy enamel coating material 700 DEG C of air, oxidation weight gain is not more than 0.05mg/cm2; In the impact thermal shock test of cooling rapidly after 700 DEG C of heating and thermal insulations, revision test 60 power is needed to start to occur macroscopic crackle; There is not obvious crackle yet more than 120h in thermal etching in high-temperature fusion salt.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
Embodiment 1
Titanium alloy enamel coating material, body material adopts TC4 titanium alloy, and enamel coating formula consists of: SiO2:65, ZrO2:8, TiO2:5, B2O3:4, K2O:0.2, Sb2O3:0.5, SrO:0.2, NiO:0.2, CoO:2, CuO:1.5, ZnO:1, CaO:0.3
，Al2O3:2，MgO:0.1，NaNO3:10。
The preparation method of titanium alloy enamel coating material is as follows:
1) preparation of frit for porcelain enamel, weighs the composition preparing frit for porcelain enamel by proportioning and passes through machinery fully mixing, putting into corundum pincers crucible afterwards, in 1400 DEG C of meltings in box-type high-temperature furnace, until when melt has smooth surface, pour in cold water by the mixture of melting, cold quenching is frit for porcelain enamel;
2) Pulp preparation, adds clay, nickel oxide, dehydrated alcohol by above-mentioned obtained frit for porcelain enamel, proportioning is frit for porcelain enamel 60%, clay 5%, nickel oxide 5%, dehydrated alcohol 30%, and ball milling 100h obtains glaze slip;
3) substrate pretreated, silicon carbide paper polishing matrix surface, ultrasonic cleaning 0.5h in acetone afterwards;
4) slurry coating, adopts high-pressure spray gun to be sprayed to by glaze slip on pretreated matrix, between 70 ~ 80 DEG C, carries out drying, finally obtains matrix surface and forms the tectal idiosome of uniform powdery;
5) idiosome sintering, dried idiosome is placed on refractory brick, in 950 sintering 1h in box-type furnace.
Titanium alloy enamel coating material in embodiment 1 is oxidized 100h weightening finish 0.05mg/cm2 in 700 DEG C of air.
By the titanium alloy enamel coating heating materials to 700 DEG C in embodiment 1, insulation 0.5h, puts into rapidly the cold water of 20 DEG C, carries out thermal shock impact to coating, experience 60 revision test rears and start to occur macroscopic crackle.
Titanium alloy enamel coating material in embodiment 1 is put in massfraction is respectively NaSO4 and the NaCl mixing salt of 70% and 30%, be heated to 700 DEG C, coating is carried out to the thermal etching test of high-temperature pressure, after experience 120h, there is not obvious crackle in titanium alloy enamel coating material yet.
Embodiment 2
Titanium alloy enamel coating material, body material adopts TC4 titanium alloy, and enamel coating formula consists of: SiO2:70, ZrO2:5, TiO2:3, B2O3:5, K2O:0.2, Sb2O3:1, SrO:0.5, NiO:0.5, CoO:2, CuO:0.5, ZnO:2, CaO:0.2, Al2O3:2, MgO:0.1, NaNO3:8.
The preparation method of titanium alloy enamel coating material is as follows:
1) preparation of frit for porcelain enamel, weighs the composition preparing frit for porcelain enamel by proportioning and passes through machinery fully mixing, putting into corundum pincers crucible afterwards, in 1400 DEG C of meltings in box-type high-temperature furnace, until when melt has smooth surface, pour in cold water by the mixture of melting, cold quenching is frit for porcelain enamel;
2) Pulp preparation, adds clay, nickel oxide, dehydrated alcohol by above-mentioned obtained frit for porcelain enamel, proportioning is frit for porcelain enamel 60%, clay 5%, nickel oxide 5%, dehydrated alcohol 30%, and ball milling 100h obtains glaze slip;
3) substrate pretreated, silicon carbide paper polishing matrix surface, ultrasonic cleaning 0.5h in acetone afterwards;
4) slurry coating, adopts high-pressure spray gun to be sprayed to by glaze slip on pretreated matrix, between 70 ~ 80 DEG C, carries out drying, finally obtains matrix surface and forms the tectal idiosome of uniform powdery;
5) idiosome sintering, dried idiosome is placed on refractory brick, in 950 sintering 1h in box-type furnace.
Titanium alloy enamel coating material in embodiment 2 is oxidized 100h weightening finish 0.03mg/cm2 in 700 DEG C of air.
By the titanium alloy enamel coating heating materials to 700 DEG C in embodiment 2, insulation 0.5h, puts into rapidly the cold water of 20 DEG C, carries out thermal shock impact to coating, experience 60 revision test rears and start to occur macroscopic crackle.
Titanium alloy enamel coating material in embodiment 2 is put in massfraction is respectively NaSO4 and the NaCl mixing salt of 70% and 30%, be heated to 700 DEG C, coating is carried out to the thermal etching test of high-temperature pressure, after experience 120h, there is not obvious crackle in titanium alloy enamel coating material yet.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (2)
1. a titanium alloy enamel coating material, is characterized in that: body material adopts TC4 titanium alloy, and enamel coating formula consists of:
SiO2:60~70，ZrO2:5~10，TiO2:3~5，B2O3:1~5，K2O:0.2~3，Sb2O3:0.5~1，SrO:0.1~0.5，NiO:0.2~1，CoO:0~3，CuO:0.1~2.5，ZnO:0~2，CaO:0.2~3，Al2O3:0.5~2.5，MgO:0.1~0.2，NaNO3:5~10。
2. a preparation method for titanium alloy enamel coating material according to claim 1, is characterized in that comprising the following steps:
1) preparation of frit for porcelain enamel, weighs the composition preparing frit for porcelain enamel by proportioning and passes through machinery fully mixing, putting into corundum pincers crucible afterwards, in 1400 DEG C of meltings in box-type high-temperature furnace, until when melt has smooth surface, pour in cold water by the mixture of melting, cold quenching is frit for porcelain enamel;
2) Pulp preparation, adds clay, nickel oxide, dehydrated alcohol by above-mentioned obtained frit for porcelain enamel, proportioning is frit for porcelain enamel 60%, clay 5%, nickel oxide 5%, dehydrated alcohol 30%, and ball milling 100h obtains glaze slip;
3) substrate pretreated, silicon carbide paper polishing matrix surface, ultrasonic cleaning 0.5h in acetone afterwards;
4) slurry coating, adopts high-pressure spray gun to be sprayed to by glaze slip on pretreated matrix, between 70 ~ 80 DEG C, carries out drying, finally obtains matrix surface and forms the tectal idiosome of uniform powdery;
5) idiosome sintering, dried idiosome is placed on refractory brick, in 950 sintering 1h in box-type furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510804657.8A CN105439450A (en) | 2015-11-20 | 2015-11-20 | Titanium alloy enamel coating material and preparation method thereof |
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| CN201510804657.8A CN105439450A (en) | 2015-11-20 | 2015-11-20 | Titanium alloy enamel coating material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435586A (en) * | 2016-11-24 | 2017-02-22 | 中南大学 | Antioxidant ablation-resistant coating for surfaces of nickel-based alloy and method for preparing antioxidant ablation-resistant coating |
| CN107601882A (en) * | 2017-10-26 | 2018-01-19 | 四川工程职业技术学院 | A kind of titanium alloy enamel coating and preparation method thereof |
| CN110615615A (en) * | 2019-09-09 | 2019-12-27 | 广东生活环境无害化处理中心有限公司 | High and low temperature corrosion resistant enamel material, preparation method and application thereof, and high temperature boiling rotary grate furnace device |
-
2015
- 2015-11-20 CN CN201510804657.8A patent/CN105439450A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435586A (en) * | 2016-11-24 | 2017-02-22 | 中南大学 | Antioxidant ablation-resistant coating for surfaces of nickel-based alloy and method for preparing antioxidant ablation-resistant coating |
| CN107601882A (en) * | 2017-10-26 | 2018-01-19 | 四川工程职业技术学院 | A kind of titanium alloy enamel coating and preparation method thereof |
| CN110615615A (en) * | 2019-09-09 | 2019-12-27 | 广东生活环境无害化处理中心有限公司 | High and low temperature corrosion resistant enamel material, preparation method and application thereof, and high temperature boiling rotary grate furnace device |
| CN110615615B (en) * | 2019-09-09 | 2022-04-08 | 广东生活环境无害化处理中心有限公司 | High and low temperature corrosion resistant enamel material, preparation method and application thereof, and high temperature boiling rotary grate furnace device |
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