Method for pasting surface of metal material and surface of composite material together
A metal material and composite material technology, applied in metal processing equipment, cleaning methods and utensils, chemical instruments and methods, etc., can solve the problems of high operation intensity, damage to personnel health, difficult process quality control, etc., to simplify the cleaning process, The effect of improving the bond strength
Active Publication Date: 2020-06-05
BEIJING INST OF AEROSPACE CONTROL DEVICES
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Problems solved by technology
The cleaning process, the preparation and application of acid paste are all manual operations, and there are problems such as high operating intensity, difficult process quality control, poor product consistency, low efficiency, serious environmental pollution, and damage to personnel health. There is an urgent need for an efficient, high-quality, A new cleaning technology that has no health hazards to personnel and no environmental pollution
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[0050] A bonding method for the surface of a metal material and the surface of a composite material. The metal material is an aluminum alloy material or carbon steel, and the composite material is a silicon dioxide nitrile rubber sheet. For cleaning and texturing, the laser output spot diameter is 8mm, the average power of the laser beam is 160W, the single pulse energy of the laser beam is 1mJ, the wavelength of the laser beam is 1064nm, the pulse width of the laser beam is 60ns, the repetition of the laser beam The frequency is 50kHz, the diameter of the focused spot of the laser beam is 50μm, the scanning line width of the laser beam is 60mm, the scanning speed of the laser beam is 5000mm / s, and the distance between the exit point of the laser beam and the surface of the metal material is 180mm; the texturing efficiency 1m 2 / h, the surface roughness of the obtained metal material is 2.0 μm, and the RPC is 120-180;
[0051] The bonding surface of the obtained metal materia...
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Abstract
The invention relates to a method for pasting the surface of a metal material and the surface of a composite material together, and belongs to the technical field of pasting of the surface of a metalmaterial and the surface of a composite material. According to the method, a laser technology replaces a traditional manual organic solvent, pickling, washing, drying and other modes, and the problemsthat manual operation is high in strength, the process quality is difficult to control, the product consistency is poor, the efficiency is low, environment pollution is serious, and the health of staff is harmed are solved. The laser processing technology is optimized, the complex cleaning process is simplified, and the pasting strength of the surfaces of the metal material and the composite material is improved.
Description
technical field [0001] The invention relates to a bonding method for the surface of a metal material and the surface of a composite material, and belongs to the technical field of bonding the surface of a metal material and the surface of a composite material. Background technique [0002] Composite materials are mainly composed of two or more different substances combined in different ways, which can give full play to the advantages of various materials and overcome the defects of a single material. Excellent, chemical corrosion resistance, good thermal stability, etc., are widely used in the manufacture of aircraft, satellite antennas, large launch vehicle shells, space shuttle structural parts and other fields. In practical applications, composite materials need to be bonded with metal materials to improve product performance. However, after mechanical processing of metal materials such as aluminum alloy and stainless steel, there are likely to be machine-added liquid an...
Claims
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Login to View More IPC IPC(8): B23K26/352B08B7/00
CPCB23K26/3584B08B7/0042
Inventor 李广王军龙李本海侯振兴张路吴鑫平李凯贾楠
Owner BEIJING INST OF AEROSPACE CONTROL DEVICES