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Preparation method of aluminum oxide and titanium oxide composite powder for plasma spraying

A technology of composite powder and alumina, applied in coating, fusion spraying, metal material coating process and other directions, can solve the problems of complex preparation process and high powder preparation cost, achieve simple preparation process, reduce preparation cost and bond strength high effect

Pending Publication Date: 2021-02-26
安徽盈锐优材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing alumina-titanium oxide composite coating has high powder preparation cost and complicated preparation process. Therefore, we propose a preparation method of alumina-titanium oxide composite powder for plasma spraying

Method used

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  • Preparation method of aluminum oxide and titanium oxide composite powder for plasma spraying
  • Preparation method of aluminum oxide and titanium oxide composite powder for plasma spraying
  • Preparation method of aluminum oxide and titanium oxide composite powder for plasma spraying

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preparation example Construction

[0026] The preparation method of aluminum oxide titanium oxide composite powder for plasma spraying comprises the following steps:

[0027] S1. Prepare materials, according to the formula of alumina-titanium oxide composite powder for plasma spraying, according to the TiO in the powder to be prepared 2 The content of the content is based on the number of parts by mass, and each material is weighed and set aside;

[0028] S2, raw material pulverization, pulverizing ilmenite and bauxite through a pulverizer, and screening the pulverized ilmenite and bauxite through a sieving machine during pulverization;

[0029] S3, mixing, putting the above-mentioned sieved ilmenite and bauxite into a mixer for medium-speed stirring, and appropriately adding distilled water during stirring;

[0030] S4. Addition of auxiliary materials. When the ilmenite and bauxite are stirred into a paste slurry by the above method, add the binder solution, defoamer, dispersant and lubricant in sequence, and...

Embodiment 2

[0037] Al 2 o 3 13%TiO2 2The formula of alumina-titanium oxide composite powder for plasma spraying includes in parts by mass: 130 parts of ilmenite, 1000 parts of bauxite, 35 parts of binder solution, 25 parts of defoamer, 20 parts of dispersant and lubricant 33 servings.

Embodiment 3

[0039] Al 2 o 3 20%TiO2 2 The formula of alumina-titanium oxide composite powder for plasma spraying includes in parts by mass: 200 parts of ilmenite, 1000 parts of bauxite, 35 parts of binder solution, 30 parts of defoaming agent, 25 parts of dispersant and lubricant 35 servings.

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Abstract

The invention discloses aluminum oxide and titanium oxide composite powder for plasma spraying, and the formula of the aluminum oxide and titanium oxide composite powder for plasma spraying comprisesthe following components in parts by mass: 30-400 parts of ilmenite, 1000-1050 parts of bauxite, 30-50 parts of a binder solution, 20-40 parts of a defoaming agent, 10-35 parts of a dispersing agent and 30-40 parts of a lubricant. The aluminum oxide and titanium oxide composite powder specifically comprises Al<2>O<3>. 3% TiO<2> plasma spraying aluminum oxide and titanium oxide composite powder, Al<2>O<3>. 13% TiO<2> plasma spraying aluminum oxide and titanium oxide composite powder, Al<2>O<3>. 20% TiO<2> plasma spraying aluminum oxide and titanium oxide composite powder, Al<2>O<3>. 40% TiO<2>plasma spraying aluminum oxide and titanium oxide composite powder according to different TiO2 contents. Titanium dioxide is replaced with ilmenite, aluminum oxide is replaced with bauxite, the preparation process is simple, the preparation cost of the aluminum oxide and titanium oxide composite powder is reduced to a certain extent, and a coating obtained through subsequent plasma spraying has the characteristics of being good in weather resistance, high in bonding strength, compact and the like.

Description

technical field [0001] The invention belongs to the field of alumina-titanium oxide composite powder, and more specifically relates to a method for preparing alumina-titanium oxide composite powder for plasma spraying. Background technique [0002] As we all know, the formation of alumina · titanium oxide (Al2O3 · TiO2) ceramic coatings on metal substrates by plasma thermal spraying can significantly improve the hardness, wear resistance and corrosion resistance of the surface. The mechanical industry has a wide range of applications. Such as mud pump piston rod, plunger pump plunger and seal, hydraulic system butterfly valve - hard surface wear resistance, cavitation and particle erosion resistance coating in the discharge valve plug and seal, metal wire drawing industry Coating of godet wheel and drawing reel; coating of godet wheel, roller roller, shrinking roller, spinning guide frame of chemical fiber spinning machine, plunger of high pressure reciprocating pump, coati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/10C04B35/626C23C4/10C23C4/134
CPCC04B35/10C04B35/62605C04B35/62675C04B35/62222C23C4/10C23C4/134C04B2235/3232
Inventor 杨现猛黄新春黄章峰李朝雄黄新谊
Owner 安徽盈锐优材科技有限公司