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The vacuum diffusion welding process of steel and aluminum parts is to form a welded joint without melting the metal, which requires the contact distance between the two surfaces to be welded to be within 1 μm, so that the attraction between atoms can work and form a metal bond, obtaining A certain strength joint.
The parameters affecting the weld formation and process performance of vacuum diffusion bonded steel and aluminum parts mainly include: welding temperature, pressure, time and type of protective gas. When other parameters are fixed, using higher pressures produces better joints.
The upper limit of the pressure of vacuum diffusion welding steel and aluminum parts depends on the limit of the overall deformation of the weldment, the tonnage of the equipment, etc. For dissimilar metal diffusion welding, using higher pressure can reduce or prevent diffusion holes. In addition to thermostatic diffusion welding, the pressure of diffusion welding is usually selected between 0.5 and 50 MPa.
Vacuum Diffusion Bonded Steel and Aluminum Parts Specifications
| Parts Processing | CNC Machined Parts, Precision CNC Parts, CNC Turned Parts, CNC Milled Parts, Metal Parts. CNC Parts, CNC Machine Parts, Machine Parts, Auto Parts, Metal Parts, Vacuum Brazed Parts Vacuum Diffusion Bonded Parts |
| Material | Aluminum, Stainless Steel, Brass, Copper, Carbon Steel, Plastic (POM, PVC, PEEK, PU, etc.) Alloy Steel, Titanium, Iron, Spring Steel, Bronze. |
| surface treatment | Anodizing, Passivation, Heat Treatment, Painting, Powder Coating, Black Oxidation, Silver/Gold Electropolishing, Nitriding, Phosphating, Sandblasting, Nickel/Zinc/Chrome/TiCN. |
| Application industry | Aerospace, Automotive, Medical, Telecommunications, Electronics, Military, Packaging Sensors, Optical Instruments, Computers, Motorcycles, etc. |
| processing method | CNC machining, CNC turning, 3/4/5 axis CNC milling, wire cutting, vacuum diffusion welding, vacuum brazing, grinding. Drilling, tapping, welding, etc. |
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