Anti-ultraviolet composite ceramic coating material

A technology of composite ceramics and coating materials, applied in the field of ceramic coatings, can solve the problems that the coating cannot completely discharge the air, chromium is toxic to the human body, and should not be used in large quantities, so as to reduce the residual stress of the interface, reduce structural defects, The effect of improving adhesion

Inactive Publication Date: 2016-09-28
MAANSHAN JINSHENG IND DESIGN
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although adding a certain amount of glass glaze enhances the cohesion between the powders and improves the wear resistance of the coating, the coating prepared by spraying cannot completely discharge the air, and there are a large number of pores, which cannot be achieved even after high temperature sintering. To improve, glass glaze needs to be painted many times, the construction is complicated, and chromium is toxic to the human body, so it is not suitable to use in large quantities

Method used

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Embodiment Construction

[0014] An ultraviolet-resistant composite ceramic coating material, prepared from the following raw materials in parts by weight (kg): glass glaze 11, zirconia ceramic powder 65, aggregate 20, niobium carbide 2, titanium diboride 1.2, oxide Nickel 0.5, copper oxide 0.6, pseudoboehmite 2.3, boron carbide 6, polyvinylidene fluoride 2.4, appropriate amount of dimethylacetamide, and appropriate amount of absolute ethanol.

[0015] Described a kind of anti-ultraviolet composite ceramic coating material is prepared by the following specific steps:

[0016] (1) Add an appropriate amount of absolute ethanol to the glass frit, wet ball mill in a planetary ball mill for 5 hours, dry at 98°C after ball milling, and then add it to a sintering furnace for pre-sintering at 520°C for 20 minutes, after cooling Then add an appropriate amount of binder to make a fine powder with a particle size of 10 μm, and dry it for later use;

[0017] (2) Ball mill pseudo-boehmite and deionized water for 3...

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Abstract

The invention discloses an anti-ultraviolet composite ceramic coating material, which is prepared from the following raw materials (by weight): 11-13 parts of glass glaze, 65-75 parts of zirconia ceramic powder, 20-30 parts of aggregate, 2-3 parts of niobium carbide, 1.2-1.4 parts of titanium diboride, 0.5-0.7 part of nickel oxide, 0.6-0.9 part of copper oxide, 2.3-2.7 parts of pseudo-boehmite, 6-8 parts of boron carbide, 2.4-2.8 parts of polyvinylidene fluoride, a proper amount of dimethylacetamide and a proper amount of anhydrous ethanol. By combining plasma spraying technology and nano-laser cladding technology, compactness and uniformity of the coating material are raised, and hardness and wear resistance of the material are greatly enhanced. In addition, the material has good resistance to ultraviolet discoloration, and has a good application prospect.

Description

technical field [0001] The invention relates to the technical field of ceramic coatings, in particular to an ultraviolet-resistant composite ceramic coating material. Background technique [0002] Exhaust equipment plays an important role in kitchens, laboratories, factories and other fields. Generally, it can be divided into exhaust hood, air duct, dust removal and purification equipment, fan, equipment shell and other parts. Among them, the materials of dust removal and purification equipment are different according to different fields. Most of them will use alloy materials. The performance of alloy materials greatly affects the use effect and life of equipment. The thermal stress generated by the ceramic coating during the friction process is relatively small, and the coating is not prone to severe fracture. It has the characteristics of low porosity, low friction coefficient, high thermal conductivity, corrosion resistance, and high hardness. It is suitable for high tem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/48C04B35/622C04B35/626C04B35/653
CPCC04B35/48C04B35/62222C04B35/6261C04B35/62645C04B35/653C04B2235/3218C04B2235/3279C04B2235/3281C04B2235/36C04B2235/3813C04B2235/3821C04B2235/3839C04B2235/665C04B2235/96
Inventor 吴铭
Owner MAANSHAN JINSHENG IND DESIGN
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