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Preparation method of yttrium oxide thermal spraying powder

A technology of nanometer yttrium oxide and yttrium heat, which is applied in coating, fusion spraying, metal material coating process, etc., can solve the problems of plasma corrosion resistance, sphericity particle uniformity and fluidity of yttrium oxide thermal spraying powder. Improvements and other issues to achieve excellent plasma corrosion resistance, good fluidity, and high spherical degree

Inactive Publication Date: 2019-08-23
JIANGSU LIDA HI TECH SPECIAL MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The plasma corrosion resistance, sphericity, particle uniformity and fluidity of the existing yttrium oxide thermal spray powder need to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A preparation method of yttrium oxide thermal spray powder, comprising the steps of:

[0025] 1) Mix 50 parts by weight of nano-yttrium oxide powder, 80 parts by weight of deionized water, 2 parts by weight of sodium oleoyl amino acid, 4 parts by weight of locust bean gum, 1 part by weight of sodium α-alkenyl sulfonate, and 3 parts by weight of guar beans Glue, 1 weight part phosphorus pentoxide powder, 2 weight parts dimethyl benzyl ortho butyrate, 4 weight parts sodium pyrophosphate, 2 weight parts triethanolamine oleic acid soap, 2 weight parts sodium metasilicate, 1 weight part Parts of cetylpyridinium chloride are mixed and stirred until the viscosity reaches 6-8mPa.s;

[0026] 2) The mixed material obtained in step 1) is made into spherical powder through thermal expansion and ball making equipment;

[0027] 3) Heat-treating the spherical powder obtained in step 2) to obtain yttrium oxide thermal spray powder.

Embodiment 2

[0029] A preparation method of yttrium oxide thermal spray powder, comprising the steps of:

[0030] 1) 55 parts by weight of nano-yttrium oxide powder, 85 parts by weight of deionized water, 2.6 parts by weight of sodium oleoyl amino acid, 5.2 parts by weight of locust bean gum, 1.8 parts by weight of sodium α-alkenyl sulfonate, and 3.6 parts by weight of guar beans Glue, 1.4 parts by weight phosphorus pentoxide powder, 2.7 parts by weight dimethylbenzyl orthobutyrate, 4.7 parts by weight sodium pyrophosphate, 3.2 parts by weight triethanolamine oleic acid soap, 2.7 parts by weight sodium metasilicate, 2.2 parts by weight Parts of cetylpyridinium chloride are mixed and stirred until the viscosity reaches 6-8mPa.s;

[0031] 2) The mixed material obtained in step 1) is made into spherical powder through thermal expansion and ball making equipment;

[0032] 3) Heat-treating the spherical powder obtained in step 2) to obtain yttrium oxide thermal spray powder.

Embodiment 3

[0034] A preparation method of yttrium oxide thermal spray powder, comprising the steps of:

[0035] 1) 60 parts by weight of nano-yttrium oxide powder, 90 parts by weight of deionized water, 3 parts by weight of sodium oleoyl amino acid, 6 parts by weight of locust bean gum, 2 parts by weight of sodium α-alkenyl sulfonate, and 4 parts by weight of guar beans Glue, 2 parts by weight of phosphorus pentoxide powder, 3 parts by weight of dimethylbenzyl orthobutyrate, 5 parts by weight of sodium pyrophosphate, 4 parts by weight of triethanolamine oleic acid soap, 3 parts by weight of sodium metasilicate, 3 parts by weight Parts of cetylpyridinium chloride are mixed and stirred until the viscosity reaches 6-8mPa.s;

[0036] 2) The mixed material obtained in step 1) is made into spherical powder through thermal expansion and ball making equipment;

[0037] 3) Heat-treating the spherical powder obtained in step 2) to obtain yttrium oxide thermal spray powder.

[0038] The yttrium o...

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PUM

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Abstract

The invention discloses a preparation method of yttrium oxide thermal spraying powder. The preparation method of the yttrium oxide thermal spraying powder comprises the following steps that (1), nanoyttrium oxide powder, deionized water, sodium oleyl amino acid, locust bean gum, alpha-alkenyl sodium sulfonate, guar gum, phosphorus pentoxide powder, dimethyl benzyl carbinyl butyrate, sodium pyrophosphate, triethanolamine oleate soaps, sodium metasilicate and cetylpyridinium chloride are mixed and stirred till the viscosity reaches 6-8 mPa.s; (2), mixed materials obtained in the step (1) are prepared into spherical powder through thermal expansion sphere preparing equipment; and (3), heat treatment is conducted on the spherical powder obtained in the step (2), and the yttrium oxide thermalspraying powder is obtained. The prepared yttrium oxide thermal spraying powder has the excellent plasma corrosion resistance and is high in spherical degree and good in particle uniformity and liquidity.

Description

technical field [0001] The invention relates to a preparation method of yttrium oxide thermal spraying powder. Background technique [0002] Yttrium oxide has a high melting point, phase stability and low thermal expansion, and is an important raw material for the preparation of spray powder. [0003] The plasma corrosion resistance, sphericity, particle uniformity and fluidity of the existing yttrium oxide thermal spray powder need to be improved. Contents of the invention [0004] The object of the present invention is to provide a preparation method of yttrium oxide thermal spray powder, the prepared yttrium oxide thermal spray powder has excellent plasma corrosion resistance, high degree of sphericity, good particle uniformity and good fluidity. [0005] In order to achieve the above object, the technical solution of the present invention is to design a kind of preparation method of yttrium oxide thermal spray powder, comprising the steps: [0006] 1) Mix 50-60 parts...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C4/11C23C4/12
CPCC23C4/11C23C4/12
Inventor 陶闻钟
Owner JIANGSU LIDA HI TECH SPECIAL MATERIAL
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