A method for preparing cladding coatings on the surface of carbon fiber reinforced thermoplastic composites using laser-assisted shs process
A technology to strengthen thermoplastic and composite materials, applied in the direction of coating, can solve the problems of low joint strength, complex process, resin deformation cost and other problems, and achieve the effect of reducing equipment cost, saving material cost and good wettability
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specific Embodiment approach 1
[0026] Specific Embodiment 1: This embodiment is a method for preparing a cladding coating on the surface of a carbon fiber reinforced thermoplastic composite material using a laser-assisted SHS process, which is completed in the following steps:
[0027] 1. Pretreatment of carbon fiber reinforced thermoplastic composites: use sandpaper to polish the surface of carbon fiber reinforced thermoplastic composites to obtain smooth carbon fiber reinforced thermoplastic composites; use absolute ethanol to clean the smooth carbon fiber reinforced thermoplastic composites for 3 times ~5 times, and then dry naturally at room temperature to obtain the treated carbon fiber reinforced thermoplastic composite material;
[0028] 2. Put the treated carbon fiber reinforced thermoplastic composite material on the running mechanism, then spread the cladding powder on the surface of the treated carbon fiber reinforced thermoplastic composite material, and compact the cladding powder, and then put ...
specific Embodiment approach 2
[0040] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the particle size of the TC4 powder is 45um-75um. Other steps are the same as in the first embodiment.
specific Embodiment approach 3
[0041] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is: the Ti-Al mixed powder is a mixture of Ti powder and Al powder; the Ti powder in the Ti-Al mixed powder The mass fraction is 64%~86%. Other steps are the same as those in Embodiment 1 or 2.
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