Special coating material for laser shock peening and preparation method thereof
A technology of laser shock strengthening and coating materials, applied in the field of coating materials, can solve the problems of low laser energy absorption rate, low substrate adhesion, poor coating quality, etc., to improve the absorption rate, reduce coating defects, avoid Burn damage effect
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Embodiment 1
[0037] A special coating material for laser shock strengthening, the raw material components are:
[0038]
[0039]
[0040] The preparation method is as follows:
[0041] First, add carbon black, aluminum oxide, and dispersant BYK-161 into the grinder to grind and modify for 10 minutes to obtain a modified slurry; then add styrene-butadiene rubber SBR1500, epoxy resin E51, silane coupling agent KH560, and 2 / 3 Organic solvent (a mixture of xylene and propylene glycol methyl ether acetate), defoamer BYK-055 and leveling agent BYK-300 were added to the high-speed disperser and stirred for 10 minutes at a stirring speed of 500rpm, then the modified slurry was added to the high-speed In the disperser, the rotation speed is 1200rpm, and the high-speed shearing is dispersed for 30 minutes. The product is put into a grinder and ground until the particle fineness is not greater than 20 μm, and then the remaining organic solvent is added to adjust the viscosity to 4 cups for 30 s...
Embodiment 2
[0043] A special coating material for laser shock strengthening, the raw material components are:
[0044]
[0045]
[0046] The preparation method is as follows:
[0047] First, add carbon black, silicon oxide, dispersants BYK-161 and BYK-163 into the grinder for grinding and modification for 10 minutes to obtain a modified slurry; then add styrene-butadiene rubber SBR1500, styrene-butadiene-styrene block Copolymer (SBS), epoxy resin E51, silane coupling agent KH560, polyurethane resin, 2 / 3 organic solvent (mixture of xylene and propylene glycol methyl ether acetate), defoamer BYK-055, BYK-053 and Add the leveling agent BYK-306 and BYK-300 into the high-speed disperser and stir to dissolve for 20 minutes, the stirring speed is 500rpm, then add the modified slurry into the high-speed disperser, the speed is 1000rpm, high-speed shear dispersion for 40 minutes, put the product in Grind with a grinder until the particle size is no greater than 20 μm, then add the remaining...
Embodiment 3
[0049] A special coating material for laser shock strengthening, the raw material components are:
[0050]
[0051] The preparation method is as follows:
[0052] First, add carbon black, alumina, titanium oxide, dispersants BYK-161, BYK-168 into the grinder and grind for 10 minutes to obtain a modified slurry; then add styrene-butadiene rubber SBR1500, styrene-isoprene- Styrene block copolymer (SIS), epoxy resin E51, silane coupling agent KH560, 2 / 3 organic solvent (mixture of xylene and ethyl acetate), defoamer BYK-088, TEGO902 and leveling agent Add BYK-300 to a high-speed disperser and stir to dissolve for 10 minutes at a stirring speed of 500rpm, then add the modified slurry to a high-speed disperser at a speed of 1500rpm, and disperse at a high speed for 30 minutes, then put the product into a grinder and grind it to particle fineness No more than 20μm, then add the remaining organic solvent to adjust the viscosity to 4 cups for 30s, stir evenly, and then get a speci...
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