CN101580380B - Anticorrosion abrasion-resistant coating material for hot-dip galvanizing device - Google Patents
Anticorrosion abrasion-resistant coating material for hot-dip galvanizing device Download PDFInfo
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- CN101580380B CN101580380B CN2008103015376A CN200810301537A CN101580380B CN 101580380 B CN101580380 B CN 101580380B CN 2008103015376 A CN2008103015376 A CN 2008103015376A CN 200810301537 A CN200810301537 A CN 200810301537A CN 101580380 B CN101580380 B CN 101580380B
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Abstract
The invention belongs to the crossing field of composite oxide ceramics and hot spray, which is mainly applied to manufacturing an anticorrosion abrasion-resistant coating material which can be used for the surface of a hot-dip galvanizing device. The chemical components of the anticorrosion abrasion-resistant coating material used for the surface of the hot-dip galvanizing device can be expressed by mass percentage as (ZnO)t (Al2O3)u (SiO2)v (TiO2)w (Li2O)x (K2O)y Az, wherein A is the sum of MgO, CaO, Na2O, Fe2O3 and other oxides; and t is less than or equal to 70 and more than or equal to 30, u is less than or equal to 70 and more than or equal to 30, v is less than or equal to 10 and more than or equal to 1, w is less than or equal to 5 and more than or equal to 0.5, x is less than or equal to 1 and more than or equal to 0.1, y is less than or equal to 1 and more than or equal to 0.1, z is less than or equal to 0.5, and the sum of the t, u, v, w, x, y and z is equal to 100. Because the composite ceramic material uses zinc oxide, alumina composite oxide and zinc spinel as main phases, the composite ceramic material has chemical stability and zinc corrosion resistance and can be applied to the coating material on the surface of the hot-dip galvanizing device. Simultaneously, the material has liquidus of lower temperature, so the composite oxide ceramics coating with corrosion resistance, good adhesiveness, high hardness and good thermal stability can be obtained by a common oxy-acetylene flame spraying method.
Description
Technical field:
The invention belongs to compound oxidate ceramic and thermospray crossing domain, it is mainly used in hot-dip galvanizing device surface anticorrosion wear-resistant coating.
Background technology:
The galvanizing of steel has become a proven technique by extensively employing at present.The antiseptic wearable coat of roller never is well solved but hot-dip galvanizing device particularly sinks.What research was maximum at present is coated materials such as metal alloy, oxide ceramics, nitride ceramics, carbide ceramics, carbide nitride composite ceramics such as SiAlON.But because owing to the sinking roller is immersed in the zinc liquid; The metal of top coat can be dissolved by zinc liquid; Partial oxide is easily by the zinc reduction, and partial oxide can generate loose composite oxides with dissolved oxygen in zinc and the zinc or airborne oxygen again, can not play attrition resistant effect.Therefore invent and a kind ofly can not also can not solved hot-dip galvanizing device anticorrosion antiwear problem with the novel surface coated material that the zinc oxide reaction generates composite oxides by the liquid Zn reduction and have extensive market prospects and social effect such as energy-saving and cost-reducing.
The purpose of this invention is to provide a kind of galvanizing surface of being used for, corrosion-resistant, resistance to wear, the compound oxidate ceramic powder of high firmness, good thermal shock.
Summary of the invention:
This present invention is a kind of hot-dip galvanizing device anticorrosion antiwear ceramics powder that can be used for the oxyacetylene torch spraying, and its concrete chemical ingredients can be expressed as (representing with the quality percentage):
(ZnO)t·(Al
2O
3)u·(SiO
2)v·(TiO
2)w·(Li
2O)x·(K
2O)y·Az
Wherein: A is MgO, CaO, Na
2O, Fe
2O
3Wait the summation of other oxide compound;
70≥t≥30，70≥u≥30，10≥v≥1，5≥w≥0.5，1≥x≥0.1，1≥y≥0.1，0.5≥z；
And t+u+v+w+x+y+z=100.
Ceramics powder composition of the present invention mainly is to design from the role of contained each element oxide pottery.Composite oxides zinc spinel like zinc oxide and aluminum oxide formation is a kind of stable compound, and it neither can also can not generated new compound with zinc and oxygen by the reduction of zinc liquid.And the mullite that titanium oxide, Lithium Oxide 98min and aluminum oxide and silicon oxide generate all can improve the thermostability of ceramic coating mutually, and silicon oxide, Lithium Oxide 98min, potassium oxide can reduce ceramic fusing point is convenient to oxygen-acetylene flame sprayed coating.
Embodiment:
Adopt galvanizing of the present invention to prepare two kinds of ceramics powders respectively with anticorrosion abrasion-resistant coating material, its composition is seen table 1
Table 1 galvanizing is with the chemical ingredients (quality %) of anticorrosion abrasion-resistant coating material ceramic powder:
| The oxide compound lot number | ZnO | Al 2O 3 | SiO 2 | TiO 2 | KO 2 | LiO 2 | A |
| 1 | 45 | 48 | 5 | 1 | 0.5 | 0.2 | 0.3 |
| 2 | 42 | 48 | 7 | 2 | 0.4 | 0.1 | 0.5 |
To be dehydrated into the mud shape by raw material that above-mentioned chemical ingredients is joined with ball mill mix grinding 24 hours.The gained pug is put into the vacuum deairing machine degassing, be squeezed into bulk, dry back sintering.The sintered material of gained is pulverized, sieved into the product of required various size ranges.
Just the 2000 type oxygen-acetylene flame sprayed coating rifles produced with auspicious method of said product spray the tinsel of surperficial sandblasting, and it is good to obtain cementability, anti-erosion, high, the anti abrasive ceramic coating of hardness.
Claims (1)
1. a stupalith that is used for hot-dip galvanizing device surface anticorrosion wear-resistant coating is characterized in that, the chemical ingredients of this stupalith % by weight is expressed as:
(ZnO)t·(Al
2O
3)u·(SiO
2)v·(TiO
2)w·(Li
2O)x·(K
2O)y·Az
Wherein: A is oxide M gO, CaO, Na
2O, Fe
2O
3Summation; 70>=t>=30,70>=u>=30,10>=v>=1,5>=w>=0.5,1>=x>=0.1,1>=y>=0.1,0.5>=z, and t+u+v+w+x+y+z=100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103015376A CN101580380B (en) | 2008-05-12 | 2008-05-12 | Anticorrosion abrasion-resistant coating material for hot-dip galvanizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103015376A CN101580380B (en) | 2008-05-12 | 2008-05-12 | Anticorrosion abrasion-resistant coating material for hot-dip galvanizing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101580380A CN101580380A (en) | 2009-11-18 |
| CN101580380B true CN101580380B (en) | 2012-07-25 |
Family
ID=41362719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008103015376A Expired - Fee Related CN101580380B (en) | 2008-05-12 | 2008-05-12 | Anticorrosion abrasion-resistant coating material for hot-dip galvanizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101580380B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102260086B (en) * | 2011-05-19 | 2013-06-19 | 武汉长利玻璃有限责任公司 | Ceramic coating capable of resisting high-temperature corrosion for protecting hanging part in tin bath of float glass and preparation method thereof |
| CN103253928A (en) * | 2012-02-15 | 2013-08-21 | 王青松 | Ceramic powder for thermal spraying |
| CN103539434B (en) * | 2013-09-29 | 2016-03-30 | 陈春水 | Ceramic coating of a kind of anti-marine life corrosion and preparation method thereof |
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2008
- 2008-05-12 CN CN2008103015376A patent/CN101580380B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101580380A (en) | 2009-11-18 |
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Granted publication date: 20120725 Termination date: 20140512 |