Preparation method of wear-resisting high-temperature-resisting metallic ceramic coating

A metal-ceramic coating, metal-ceramic technology, applied in metal material coating process, coating, liquid chemical plating and other directions, can solve the problems of metal-ceramic coating falling off, easy to wear, etc., to improve the bonding force, not easy to Abrasion, promising effect

Inactive Publication Date: 2018-06-19
CHANGZHOU C PE PHOTO ELECTRICITY SCI & TECHN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem mainly solved by the present invention is to provide a

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0025] Example 1

[0026] In parts by weight, mix 30 parts of barium oxide, 16 parts of boron oxide, 13 parts of alumina, 25 parts of cerium oxide and 3 parts of zirconia into a corundum crucible, move the crucible into a muffle furnace, and heat to 1450 ℃, heat preservation and sintering for 2h, take out the corundum crucible, quench with water at 20℃ for 20min to obtain a glass block; put the glass block into a mortar and grind for 3h, pass a 400 mesh sieve to obtain glass powder, take a piece of size 10mm×10mm× 100mm long strip steel plate, polished with 400 grit sandpaper for 8 minutes, then scrub the surface of the steel plate with acetone, prepare a sodium hydroxide solution with a mass fraction of 20%, and heat it to 60°C to obtain lye. After cleaning the steel plate with lye for 10 minutes, Then rinse the steel plate with deionized water 3 times to obtain the base plate; in parts by weight, mix the nickel powder and glass powder in a mass ratio of 1:3 to obtain cermet pow...

Example Embodiment

[0027] Example 2

[0028] In parts by weight, mix 32 parts of barium oxide, 17 parts of boron oxide, 14 parts of alumina, 28 parts of cerium oxide and 4 parts of zirconia into the corundum crucible, move the crucible into the muffle furnace, and heat to 1475 ℃, heat preservation and sintering for 2.5h, take out the corundum crucible, quench it with water at 23℃ for 23min to obtain a glass block; put the glass block in a mortar and grind for 3.5h, pass a 400 mesh sieve to obtain glass powder, take a piece of 10mm× 10mm×100mm long steel plate, polished with 400 grit sandpaper for 9 minutes, then scrub the surface of the steel plate with acetone, prepare a sodium hydroxide solution with a mass fraction of 20%, and heat it to 65°C to obtain lye. Clean the steel plate with lye for 13 minutes Then, rinse the steel plate with deionized water 3 times to obtain the base plate; in parts by weight, mix the nickel powder and glass powder in a mass ratio of 1:3 to obtain the cermet powder, an...

Example Embodiment

[0029] Example 3

[0030] In parts by weight, mix 35 parts of barium oxide, 18 parts of boron oxide, 15 parts of alumina, 30 parts of cerium oxide, and 5 parts of zirconia into the corundum crucible, move the crucible into the muffle furnace, and heat to 1500 ℃, heat preservation and sintering for 3h, take out the corundum crucible, quench with water at 25℃ for 25min to obtain a glass block; put the glass block in a mortar and grind for 4h, pass a 400-mesh sieve to obtain glass powder, take a piece of size 10mm×10mm× A 100mm long strip steel plate is polished with 400 grit sandpaper for 10 minutes, and then the surface of the steel plate is scrubbed with acetone, and a sodium hydroxide solution with a mass fraction of 20% is prepared and heated to 70°C to obtain lye. After cleaning the steel plate with lye for 15 minutes, Then rinse the steel plate 4 times with deionized water to obtain the base plate; in parts by weight, mix the nickel powder and glass powder in a mass ratio of ...

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Abstract

The invention relates to the technical field of metallic ceramic coatings, in particular to a preparation method of a wear-resisting high-temperature-resisting metallic ceramic coating. The preparation method comprises the steps of drying self-made metallic ceramic slurry to obtain dry metallic ceramic powder; conducting treatment on a self-made chemical plating solution to obtain a composite plating solution; dip-coating a self-made base plate with the composite plating solution to obtain a dip-coated plate; conducting high-temperature sintering on the dip-coated plate to obtain a metallic ceramic coating. Cerium oxide in glass powder enables active nickel atoms contained in ceramic powder bodies and metal in a base material form metallic bonds. The adherence of the metallic ceramic coating and the base material is improved, and the high-temperature-resistant performance of the metallic ceramic coating is improved. Alumina hydrate particles in the composite plating solution have positive charge, and the surface of the base plate has negative charge. The generated aluminum oxide particles are deposited on the surface of the base plate to form a high-density oxidized metallic film.The bonding force between the metallic ceramic powder bodies is increased. The wear-resisting high-temperature-resisting metallic ceramic coating is not likely to be abraded when applied to a cuttingtool. Accordingly, the abrasion resistance of the metallic ceramic coating is improved, and the wear-resisting high-temperature-resisting metallic ceramic coating has broad application prospects.

Description

technical field [0001] The invention relates to the technical field of cermet coatings, in particular to a method for preparing a wear-resistant and high-temperature resistant cermet coating. Background technique [0002] With the development of industry, the performance requirements for some metal parts are getting higher and higher. In the aviation industry, energy power industry, and metallurgical and chemical industries, certain metal parts need to have excellent high-temperature strength and good high-temperature oxidation and corrosion resistance. The sustainable development of the country and society needs to increase the service life of these parts and reduce the cost of preparation or repair. At present, the most feasible way is to coat the surface of the metal parts with a protective coating, so that the alloy material can not only maintain the strength at high temperature, but also have good high-temperature oxidation and corrosion resistance on the surface, ...

Claims

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Application Information

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IPC IPC(8): C23C18/48
Inventor 龙仕冬何少雄张建初
Owner CHANGZHOU C PE PHOTO ELECTRICITY SCI & TECHN
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