Preparation method of yttria-stabilized zirconia thermal spraying powder

A technology of yttrium-stabilized zirconia and zirconium oxychloride, which is applied in zirconia, chemical instruments and methods, inorganic chemistry, etc., can solve the problem that the uniformity and fluidity of yttrium-stabilized zirconia thermal spray powder thermal stability particles need to be improved and other problems, to achieve the effect of high sphericity, high activity and high surface energy

Inactive Publication Date: 2019-08-09
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 strength, thermal stability, sphericity, particle uniformity and fluidity of the existing yttrium stabilized zirconia 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-stabilized zirconia thermal spray powder, comprising the steps of:

[0025] 1) 60 parts by weight of zirconium oxychloride, 5 parts by weight of nano-yttrium oxide powder, 40 parts by weight of deionized water, 2 parts by weight of petroleum sulfonate, 1 part by weight of phytate, 3 parts by weight of xanthan gum, 1 part by weight of barium sulfate, 2 parts by weight of dithiocarbamic acid, 1 part by weight of sodium fluorosilicate, 3 parts by weight of gum arabic powder, 1 part by weight of barium dinonyldecylsulfonate, 2 parts by weight of amino silicone oil, 1 part by weight of Parts of sodium α-olefin sulfonate are mixed and stirred until the viscosity reaches 7-9mPa.s;

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

[0027] 3) Calcining the spherical powder obtained in step 2) at 500° C. for 5 hours to obtain yttrium-stabilized zirconia thermal sp...

Embodiment 2

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

[0030] 1) 64 parts by weight of zirconium oxychloride, 7 parts by weight of nano-yttrium oxide powder, 52 parts by weight of deionized water, 2.3 parts by weight of petroleum sulfonate, 1.3 parts by weight of phytate, 3.7 parts by weight of xanthan gum, 1.5 parts by weight of barium sulfate, 2.4 parts by weight of dithiocarbamic acid, 2.3 parts by weight of sodium fluorosilicate, 3.7 parts by weight of gum arabic powder, 1.7 parts by weight of barium dinonyldecylsulfonate, 2.6 parts by weight of amino silicone oil, 1.2 parts by weight Parts of sodium α-olefin sulfonate are mixed and stirred until the viscosity reaches 7-9mPa.s;

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

[0032] 3) Calcining the spherical powder obtained in step 2) at 570° C. for 6 hours to obtain yttrium-stabiliz...

Embodiment 3

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

[0035] 1) 70 parts by weight of zirconium oxychloride, 10 parts by weight of nano-yttrium oxide powder, 60 parts by weight of deionized water, 3 parts by weight of petroleum sulfonate, 2 parts by weight of phytate, 4 parts by weight of xanthan gum, 2 parts by weight of barium sulfate, 3 parts by weight of dithiocarbamic acid, 3 parts by weight of sodium fluorosilicate, 4 parts by weight of gum arabic powder, 2 parts by weight of barium dinonyldecylsulfonate, 3 parts by weight of amino silicone oil, 2 parts by weight of Parts of sodium α-olefin sulfonate are mixed and stirred until the viscosity reaches 7-9mPa.s;

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

[0037] 3) Calcining the spherical powder obtained in step 2) at 600°C for 7 hours to obtain yttrium-stabilized zirconia therma...

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PUM

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Abstract

The invention discloses a preparation method of yttria-stabilized zirconia thermal spraying powder. The method comprises the following steps that 1) zirconium oxychloride, nano yttrium oxide powder, deionized water, mahogany petroleum sulfonate, inositol hexaphosphate, xanthan gum, barium sulfate, dithiocarbamic acid, sodium fluorosilicate, gum arabic powder, di-nonyl-kwai-barium-sulfonate, aminosilicone oil and alpha-sodium olefin sulfonate are mixed and stirred until the viscosity reaches 7-9 mPa. s; 2) the mixture obtained in step 1) is prepared into spherical powder through thermal expansion ball making equipment; 3) the spherical powder in step 2) is calcined at 500-600 DEG C for 5-7 hours to obtain the yttria-stabilized zirconia thermal spraying powder. The invention aims to providethe preparation method of the yttria-stabilized zirconia thermal spraying powder, and the prepared yttria-stabilized zirconia thermal spraying powder has high sintering shrinkage, high sintered bodydensity, good strength, good thermal stability, high surface energy, high activity, high degree of sphericility, good particle uniformity and good fluidity.

Description

technical field [0001] The invention relates to a preparation method of yttrium-stabilized zirconia thermal spray powder. Background technique [0002] Zirconia has high melting point, high boiling point, small thermal conductivity, large thermal expansion coefficient, good wear resistance, and is an important raw material for the preparation of spray powder. [0003] The strength, thermal stability, sphericity, particle uniformity, and fluidity of the existing yttrium-stabilized zirconia 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 stabilized zirconia thermal spray powder, the yttrium stabilized zirconia thermal spray powder prepared by it has high sintering shrinkage rate, high sintered body density, good strength, good thermal stability and high surface energy , high activity, high sphericity, good particle uniformity and good fluidity. [0005] In order t...

Claims

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Application Information

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IPC IPC(8): C01G25/02C01F17/00
CPCC01G25/02C01P2004/82C01F17/206
Inventor 陶闻钟
Owner JIANGSU LIDA HI TECH SPECIAL MATERIAL
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