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A kind of preparation method of inorganic coating

An inorganic coating, coating technology, applied in the field of materials, can solve the problems of corrosion resistance and thermal expansion performance to be improved

Inactive Publication Date: 2018-08-07
河南永业环保工程有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the coating still needs to be improved in terms of corrosion resistance and thermal expansion properties

Method used

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  • A kind of preparation method of inorganic coating

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Preparation of Mo-ZrC-Mn-Ti composite powder:

[0030] Weigh the raw materials according to the following proportions: the volume content of ZrC powder is 30%, and the particle size is 10-90 μm; the volume content of Mo powder is 20%, and the particle size is 10-120 μm; the volume content of Mn powder is 10 %, the particle size is 10-100 μm; the volume content of Ti powder is 40%, and the particle size is 20-100 μm; mechanically mix in the rotary vibrating ball mill, the rotation speed of the ball mill tank is set to 150rpm (rotation per minute), the ball The material ratio (mass ratio) is 2:1. After ball milling for 3 hours, take off the ball mill jar, and the composite powder is sieved through 80 mesh, and set aside.

[0031] Prepare the coating:

[0032] 1) Pretreatment of the stainless steel substrate: place the stainless steel disc substrate (Ф60mm×8mm) treated by sandblasting (sandblasting pressure is about 0.2MPa) in an anhydrous ethanol solution for 5 minutes,...

Embodiment 2

[0035] Preparation of Mo-ZrC-Mn-Ti composite powder:

[0036] Weigh the raw materials according to the following proportions: the volume content of ZrC powder is 32%, and the particle size is 10-90 μm; the volume content of Mo powder is 25%, and the particle size is 10-120 μm; the volume content of Mn powder is 11 %, the particle size is 10-100 μm; the volume content of Ti powder is 32%, and the particle size is 20-100 μm; mechanically mix in the rotary vibrating ball mill, the rotation speed of the ball mill tank is set to 150rpm (rotation per minute), the ball The material ratio (mass ratio) is 2:1. After ball milling for 3 hours, take off the ball mill jar, and the composite powder is sieved through 80 mesh, and set aside.

[0037] Prepare the coating:

[0038] 1) Pretreatment of the stainless steel substrate: place the stainless steel disc substrate (Ф60mm×8mm) treated by sandblasting (sandblasting pressure is about 0.2MPa) in an anhydrous ethanol solution for 5 minutes,...

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Abstract

The invention relates to an inorganic coating and a preparing method of the coating. According to the coating, Mo-ZrC-Mn-Ti composite powder is adopted as a raw material and is sprayed to a metal base body, so that the coating is obtained. The proportion of elements including Zr, Mo, Mn and Ti in the coating is 3-1:1-2:1-3:2-5. The inorganic coating has the characteristic of being capable of keeping the high-friction coefficient; and meanwhile, the wear rate of the coating is reduced, and therefore the service life of the coating is prolonged.

Description

technical field [0001] The invention relates to the field of material technology, in particular to a preparation method of an inorganic coating. Background technique [0002] As a means of surface modification, wear-resistant coating can endow the base material with excellent wear resistance and prolong its service life. Therefore, the research of wear-resistant coating has been widely concerned by people. Wear-resistant coating materials generally require a low coefficient of friction, however, some specific applications require high friction coefficient coating materials, such as automotive synchronizers. Synchronizer is one of the important parts of automobile gearbox, which can effectively reduce the vibration, shock and noise during the shifting process of the automobile, thereby improving the stability of automobile handling and driving safety. Changing the synchronizer structure and the friction material of the synchronizer cone is the most important means to improv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C4/08C23C4/134
CPCC23C4/08
Inventor 华文蔚
Owner 河南永业环保工程有限公司
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