Preparation method for X-type titanium alloy three-dimensional lattice sandwich structure
A three-dimensional lattice, sandwich structure technology, used in metal processing equipment, welding equipment, manufacturing tools, etc., can solve the problems of high surface roughness, high cost, easy bending of metal wires, etc. on the upper and lower panels, and achieve good interlayer bonding, High bonding strength and stable performance
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[0043] The preparation process scheme of the three-dimensional lattice structure of TC4 titanium alloy is as follows:
[0044] (1) Process the hollowed-out grid structure of the core plate. The TC4 titanium alloy plate is processed into a hollowed-out grid structure by high-pressure water cutting or CNC machining, and the thickness of the core plate is 0.8mm;
[0045] (2) Process the panel. The TC4 titanium alloy plate is processed into a flat plate suitable for the shape and size of the core plate by high-pressure water cutting or numerical control machining. The thickness of the panel is 2.0mm;
[0046] (3) Surface chemical cleaning to remove the oxide layer on the surface of the core board and the panel. The surface cleaning solution used is a mixed solution of nitric acid, hydrofluoric acid and water, and the volume ratio is: 10%:5%:85%;
[0047] (4) Solder stop coating, apply solder stop flux on the hollow grids on the two surfaces of the core board. and the midpoint of ...
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