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Laser cladding boride-based wear-resistant coating as well as preparation method and application thereof

A technology of laser cladding and wear-resistant coating, which is applied in coating, metal material coating process, etc., can solve the problems of difficult production and high brittleness, and achieve the effect of fast heat dissipation, low production cost and improved hardness

Active Publication Date: 2022-01-14
西安迈瑞驰石油科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, bulky metal-ceramic parts are difficult to produce due to process problems and are highly brittle

Method used

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  • Laser cladding boride-based wear-resistant coating as well as preparation method and application thereof
  • Laser cladding boride-based wear-resistant coating as well as preparation method and application thereof
  • Laser cladding boride-based wear-resistant coating as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A laser cladding boride-based wear-resistant coating comprises the following raw materials in mass percentage: 48wt% of Mo powder, 24wt% of Fe powder, and 28wt% of FeB powder.

[0032] The above-mentioned laser cladding boride-based wear-resistant coating is prepared according to the following steps:

[0033] Weigh raw materials according to the following mass percentages: Mo powder 48wt%, Fe powder 24wt%, FeB powder 28wt%, standby;

[0034] Under the protection of an inert gas, put the raw materials in a planetary ball mill for ball milling, select SiC balls, use the wet milling method for ball milling, and pass in argon as a protective gas to prevent powder oxidation. The specific ball milling parameters are: The ball material ratio is 6:1; the total mass ratio of ethanol to powder is 1:1; the ball milling speed is 260r / min, and the ball milling time is 16 hours; the powder scale distribution after ball milling is uniform, and the size meets the laser cladding powder ...

Embodiment 2

[0041] Same as Example 1, except that the following mass percentages of raw materials are included: Mo powder 50wt%, Fe powder 20wt%, FeB powder 30wt%; the particle size of the coating powder is about 15 μm.

Embodiment 3

[0043]Same as Example 1, except that the following mass percentages of raw materials are included: Mo powder 50wt%, Fe powder 25wt%, FeB powder 25wt%; the particle size of the coating powder is about 45 μm.

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Abstract

The invention discloses a laser cladding boride-based wear-resistant coating as well as a preparation method and application thereof, and belongs to the technical field of metal surface treatment. The wear-resistant coating is prepared from the following raw materials in percentage by mass: 45 to 50 weight percent of Mo powder, 20 to 25 weight percent of Fe powder and 25 to 30 weight percent of FeB powder. The wear-resistant coating provided by the invention is applied to wear-resistant tool parts, the surface hardness of the coating is high, the wear resistance is excellent, the service life is greatly prolonged by 5 times or above, and meanwhile, as the coating and a matrix are metallurgically bonded, the condition that the coating falls off cannot occur. In addition, materials used by the coating are low in cost, no high-cost alloy element exists, and the use cost performance is very high.

Description

technical field [0001] The invention belongs to the technical field of metal surface treatment, and in particular relates to a laser cladding boride-based wear-resistant coating, a preparation method and an application. Background technique [0002] Friction and wear cause a huge waste of resources and energy. Foreign statistics show that: friction and wear consume 1 / 3 of the primary energy, and about 80% of mechanical parts fail due to wear. Therefore, wear-resistant materials are a very important material, and the comprehensive performance requirements of wear-resistant materials used in industry are getting higher and higher to meet a wider range of applications. Cermet is an excellent wear-resistant material due to its excellent wear resistance and ultra-high hardness. However, bulky metal-ceramic parts are difficult to produce due to process problems and are highly brittle. Contents of the invention [0003] The purpose of the present invention is to provide a lase...

Claims

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Application Information

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IPC IPC(8): C23C24/10C22C27/04C22C30/00C22C32/00
CPCC23C24/103C22C30/00C22C32/0073C22C27/04
Inventor 陈翰韬刘维利陈殿奇
Owner 西安迈瑞驰石油科技有限公司
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