Anti-tensile metallic nickel ceramic coating and manufacturing method thereof

A technology of ceramic coating and production method, which is applied in the direction of heating inorganic powder coating, etc., can solve the problems of unfavorable energy saving and green development, single function, low toughness, etc., to achieve enhanced atomic orbital interaction, simple preparation process, and improved adhesion Effect

Inactive Publication Date: 2015-11-11
BENGBU TRIUMPH ENG TECH CO LTD
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

The cermet coating prepared in the prior art has many defects such as single function, high cost, low toughness, low strength and poor coating applicability in practical applic...

Method used

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Embodiment Construction

[0012] The tensile-resistant metallic nickel ceramic coating is characterized in that it is made of the following raw materials in parts by weight: nano cerium dioxide 16, nickel powder 47, cobalt sulfate 7, boron powder 17, cobalt oxide 13, Molybdenum boride 22, ethylene wax powder 6, basalt fiber 7, bauxite 25, epoxy resin emulsion 8, octyl salicylate 9, appropriate amount of water.

[0013] The preparation method comprises the following steps:

[0014] (1) Treat nano-cerium dioxide at 625-750°C for 30-50 minutes at high temperature, quickly cool it to room temperature with liquid nitrogen, add cobalt sulfate and appropriate amount of water and ultrasonically shake for 20-40 minutes to spray dry, add octyl salicylate and stir to mix Evenly, stir at room temperature for 5-8h, and dry to constant weight;

[0015] (2) Add molybdenum boride into the ball mill, spray into the mist epoxy resin emulsion and mix well, add ethylene wax powder, and perform ball milling, mixing and br...

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Abstract

The invention discloses an anti-tensile metallic nickel ceramic coating. The surface of matrix metal is coated with the ceramic coating manufactured by selecting metallic nickel as a metallic matrix and adopting refractory materials such as cobaltous oxide and molybdenum boride as ceramic phases. Alloying elements in the matrix metal diffuse towards the interface and are subjected to interfacial reactions with substances such as NiO in the coating, wherein one interfacial reaction follows the equation that NiO+M->MO+Ni. Reduced and precipitated active nickel atoms and the matrix metal M form Ni-M metallic bonds. Thus, the adherence of the metallic ceramic coating and the matrix metal is improved. Moreover, because rare-earth nano cerium dioxide is high in activity, the atomic orbital interaction of the rare-earth nano cerium dioxide with absorbed molecules is improved, the reactions are enhanced, adherence can be built soon, and added boron powder and nickel powder are combined so that the permeability of the coating can be improved. The manufactured coating has the strength and toughness of the metal, is anti-tensile, also has the high-temperature-resistant, antioxidant, abrasion-resistant and corrosion-resistant advantages of ceramic materials, and is a novel composite material.

Description

technical field [0001] The invention relates to the technical field of metal ceramic coating materials, in particular to a stretch-resistant metal nickel ceramic coating and a manufacturing method thereof. Background technique [0002] In recent years, ceramic coating materials are ceramic materials that have received widespread attention. Traditional ceramic materials are brittle, which is not conducive to the further processing of ceramic materials, and also leads to slightly insufficient performance of ceramic materials in many fields. Metal-ceramic coating is a composite coating that not only has the good strength and toughness of metal, but also has the advantages of high temperature resistance, wear resistance and corrosion resistance of ceramics. Therefore, metal-ceramic coatings have gained important applications in many fields such as aviation and aerospace, such as rocket engine components that are subjected to complex and harsh working conditions such as high-spee...

Claims

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Application Information

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IPC IPC(8): C23C24/08C22C32/00
Inventor 邢宝山陈坤卢佩庆
Owner BENGBU TRIUMPH ENG TECH CO LTD
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