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Metal piece surface laser spraying treatment process

A laser spraying and processing technology, applied in the direction of metal material coating technology, coating, melting spraying, etc., can solve the problems of poor bonding strength and affect the improved performance of metal parts, so as to improve the bonding strength and improve the reaction. degree of effect

Pending Publication Date: 2022-04-05
引思百尔(杭州)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing laser spraying process is relatively simple, and the bonding strength between the sprayed layer and the base layer of the metal part is poor, which affects the improved performance of the metal part

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A laser spraying treatment process on the surface of metal parts in this embodiment comprises the following steps:

[0025] Step 1: Preliminary treatment: put the metal parts into the treatment agent for microwave treatment, the microwave power is 100W, and the microwave time is 10min;

[0026] Step 2: Preparation of the coating material: Add caprolactam and folic acid polyethylene glycol amino into the stirring tank, then add diatomaceous earth, acrylic acid emulsion, and graphene in sequence, and stir for 20 minutes at a speed of 200r / min. After the stirring is completed, get coating material;

[0027] Step 3: The establishment of the intermediate layer: the metal parts that have been initially treated are arc sprayed with the coating material, and the spraying is completed to realize the establishment of the intermediate layer;

[0028] Step 4: Adhesive strengthening: put the arc-sprayed metal parts into the adhesive for treatment for 10 minutes, and the treatment t...

Embodiment 2

[0038] A laser spraying treatment process on the surface of metal parts in this embodiment comprises the following steps:

[0039] Step 1: Preliminary treatment: put the metal parts into the treatment agent for microwave treatment, the microwave power is 150W, and the microwave time is 20min;

[0040] Step 2: Preparation of coating material: Add caprolactam and folic acid polyethylene glycol amino into the stirring tank, then add diatomaceous earth, acrylic acid emulsion, and graphene in sequence, and stir at a speed of 250r / min for 30min. After the stirring is completed, get coating material;

[0041] Step 3: The establishment of the intermediate layer: the metal parts that have been initially treated are arc sprayed with the coating material, and the spraying is completed to realize the establishment of the intermediate layer;

[0042] Step 4: Adhesive strengthening: put the arc-sprayed metal parts into the adhesive for 20 minutes, and the processing temperature is 85°C;

...

Embodiment 3

[0052] A laser spraying treatment process on the surface of metal parts in this embodiment comprises the following steps:

[0053] Step 1: Preliminary treatment: put the metal parts into the treatment agent for microwave treatment, the microwave power is 125W, and the microwave time is 15min;

[0054] Step 2: Preparation of coating material: Add caprolactam and folic acid polyethylene glycol amino into the stirring tank, then add diatomaceous earth, acrylic acid emulsion, and graphene in sequence, and stir for 25 minutes at a speed of 225r / min. After the stirring is completed, get coating material;

[0055] Step 3: The establishment of the intermediate layer: the metal parts that have been initially treated are arc sprayed with the coating material, and the spraying is completed to realize the establishment of the intermediate layer;

[0056] Step 4: Adhesion strengthening: send the arc sprayed metal parts into the adhesive for treatment for 15 minutes, and the treatment temp...

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PUM

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Abstract

The invention discloses a laser spraying treatment process for the surface of a metal part. The laser spraying treatment process comprises the following steps: step 1, primary treatment; step 2, preparing a coating material: adding caprolactam and folic acid polyethylene glycol amino into a stirring kettle; step 3, establishment of a middle layer: carrying out electric arc spraying on the primarily treated metal part by adopting a coating material, and finishing spraying to realize establishment of the middle layer; step 4, bonding reinforcement; 5, laser spraying is conducted; and 6, performing electric field treatment. In the laser spraying treatment process, firstly, microwave treatment is conducted through a treating agent, the treating agent is subjected to ultrasonic dispersion treatment through bentonite and a linoleic acid petroleum ether solution, and the bentonite is used for conducting surface grinding treatment on the metal part, so that the surface microstructure of the metal part is damaged; the coating material is compounded by caprolactam, folic acid polyethylene glycol amino, diatomite and other raw materials, and the microstructure of the coating material is further destroyed through electric arc spraying, so that the coating material permeates into the surface microstructure.

Description

technical field [0001] The invention relates to the technical field of the surface of metal parts, in particular to a laser spraying treatment process on the surface of metal parts. Background technique [0002] Laser spraying is a new type of surface modification and treatment technology. It uses high-energy laser beams to melt the metal on the surface of the substrate, and at the same time adds the selected coating material powder on the surface of the substrate to be sprayed by different feeding methods. Radiation melts it and the thin layer on the surface of the substrate at the same time, and after rapid solidification, it forms a very low dilution, and combines with the substrate material to form a composite metal surface coating. The laser spraying treatment technology has improved the wear resistance, corrosion resistance, heat resistance, oxidation resistance and electrical properties of the substrate surface, thereby achieving the purpose of modifying and repairing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C24/10C23C4/131C23C28/00
Inventor 陈金平秦丽
Owner 引思百尔(杭州)科技有限公司