Laser quenching light-absorbing coating and preparation method thereof

A light-absorbing coating and laser quenching technology, which is applied to radiation-absorbing coatings, shellac coatings, coatings, etc., can solve the problems of complex preparation process, high price, environmental pollution, etc., and achieve simple preparation process, high absorption rate, and reduced The effect of production costs

Pending Publication Date: 2020-12-22
JIANGSU XCMG CONSTR MASCH RES INST LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention discloses a laser light-absorbing coating based on improving laser quenching efficiency and a preparation method thereof, in order to solve the problems that the existing light-a

Method used

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  • Laser quenching light-absorbing coating and preparation method thereof
  • Laser quenching light-absorbing coating and preparation method thereof
  • Laser quenching light-absorbing coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] The preparation method of the light-absorbing coating for laser surface heat treatment comprises the following steps:

[0051] Step 1: Put the binder: 10.0g into an ordinary beaker, add anhydrous alcohol: 20mL, and stir by hand until the binder is completely dissolved;

[0052] Step 2: Add wetting agent: 0.5g; leveling aid: 1.2g to the solution in Step 1, stir while adding, and stir by hand until it is completely dissolved;

[0053] Step 3: Add anti-settling agent: 0.4g; thickener: 0.2g; diluent: 6.0mL; dispersant: 0.02g into the solution of step 2 in turn, and stir it evenly by hand;

[0054] Step 4: Add 100 mL of distilled water into the solution of Step 3, stir with a magnetic stirrer, the rotor speed is 12r / s, the stirring time is 60min, and the stirring is uniform;

[0055] Step 5: Add 4.0g of nano-alumina and nano-silicon dioxide into the solution of step 4, the nano-alumina is 3.0g, the nano-silica is 1.0g, stir with a magnetic stirrer, the rotor speed is 12r / s, a...

Embodiment 2

[0059] The preparation method of the light-absorbing coating for laser surface heat treatment comprises the following steps:

[0060] Step 1: Put the binder: 10.0g into an ordinary beaker, add anhydrous alcohol: 20mL, and stir by hand until the binder is completely dissolved;

[0061] Step 2: Add wetting agent: 0.5g; leveling aid: 1.2g to the solution in step 1, stir while adding, and stir manually until completely dissolved;

[0062] Step 3: Add anti-settling agent: 0.4g; thickener: 0.2g; diluent: 6.0mL; dispersant: 0.02g into the solution of step 2 in turn, and stir evenly by hand;

[0063] Step 4: Add 100 mL of distilled water into the solution of Step 3, stir with a magnetic stirrer, the rotor speed is 12r / s, the stirring time is 60min, and the stirring is uniform;

[0064] Step 5: Add 4.0g of nano-alumina and nano-silica into the solution of step 4, the nano-alumina is 2.0g, and the nano-silica is 2.0g, stir with a magnetic stirrer, the rotor speed is 12r / s, and the stir...

Embodiment 3

[0068] The preparation method of the light-absorbing coating for laser surface heat treatment comprises the following steps:

[0069] Step 1: Put the binder: 10.0g into an ordinary beaker, add anhydrous alcohol: 20mL, and stir by hand until the binder is completely dissolved;

[0070] Step 2: Add wetting agent: 0.5g; leveling aid: 1.2g to the solution in step 1, stir while adding, and stir manually until completely dissolved;

[0071] Step 3: Add anti-settling agent: 0.4g; thickener: 0.2g; diluent: 6.0mL; dispersant: 0.02g into the solution of step 2 in turn, and stir evenly by hand;

[0072] Step 4: Add 100 mL of distilled water to the solution mixed in step 3, stir with a magnetic stirrer, the rotor speed is 12r / s, the stirring time is 60min, and the stirring is uniform;

[0073] Step 5: Add 4.0g of nano-alumina and nano-silica into the solution of step 4, the nano-alumina is 1.0g, and the nano-silica is 3.0g, stir with a magnetic stirrer, the rotor speed is 12r / s, and the ...

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Abstract

The invention relates to the technical field of laser surface modification, in particular to a laser quenching light-absorbing coating and a preparation method thereof, and the laser quenching light-absorbing coating is prepared by mixing a solvent and aggregate; the solvent comprises the following components in parts by mass: 5-12 parts of a binder; 0.2-0.8 part of an anti-settling agent; 0.02-0.60 part of a thickening agent; 0.10-1.60 part of a wetting agent; 0.1-3.0 part of a leveling aid; 4.0-16.0 parts of a diluent; 0.02-0.60 part of a dispersing agent; 10-60 parts of anhydrous alcohol; 40-100 parts of distilled water. The coating can improve the laser absorptivity of a metal material, avoids local burn of a workpiece, guarantees the machining quality of the workpiece, and improves the hardness of the workpiece.

Description

technical field [0001] The invention relates to the technical field of laser surface modification, in particular to a laser quenching light-absorbing paint and a preparation method thereof. Background technique [0002] Laser quenching is an effective surface modification technology, and its characteristics of rapid heating and rapid cooling cannot be compared with traditional heat treatment technology, so it is widely used in many fields. Limited by the influence of metal materials on the reflectivity of the laser as high as 20% to 40%, the laser energy cannot be fully utilized, and the reflected energy will cause harm to the health of the field operators. Therefore, in the process of surface laser quenching, it is particularly important to improve the energy absorption rate of laser irradiation of metal materials, so as to make full use of laser energy, reduce production costs and improve production efficiency. In recent years, pre-installing light-absorbing materials on ...

Claims

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Application Information

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IPC IPC(8): C09D193/02C09D5/32C09D7/61C09D7/63
CPCC09D193/02C09D5/32C09D7/61C09D7/63C08K2201/011C08K2003/2227C08K13/02C08K3/36C08K3/22C08K5/521
Inventor 李强陈志凯关婷婷
Owner JIANGSU XCMG CONSTR MASCH RES INST LTD
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