1. Product description
1) The explosive welding method can effectively prepare double-layer high thermal conductivity stainless steel clad aluminum plates. By drawing the weldable window of the double-layer composite plate, effective welding parameters can be obtained, thus forming good welding quality.
2) The regular wavy bonding interface is formed between the double-layer high thermal conductivity stainless steel clad aluminum plate, the bonding quality of the interface is good, and the bonding interface strength is effectively improved.
3) ANSYS/AUTODYN 3D finite element program and SPH algorithm can effectively reproduce the bonding mechanism in the welding process, which is conducive to the optimization of initial welding parameters. It should be pointed out that in the explosive welding of more layers of composite plates, theoretical calculation and experimental research methods should be comprehensively used to continuously optimize the welding parameters, which is also the research work to be focused on in the next stage.
2. Applications
Application area | Application instances | Complex layer material |
Petrochemical engineering | Distill tower, hydrogenation and refining container, decomposition and desulfurization container, storage and transportation tank | stainless steel |
Ocean engineering | Tank, body, seawater resistant equipment, heat exchanger tube plate | Stainless steel, copper alloy, titanium alloy |
Electric power generation | Water gate, underwater structure, discharge pipe, coal storage and transportation box, smoke exhaust box, rehydration device pipe plate, sea water pump, ship lock, nuclear power cooling tower | stainless steel |
Ship engineering | Hull, car body, structural parts | Stainless steel and titanium alloy |
Transportation, storage and transportation | Oil and gas transmission pipelines, chemical tanks, LNG tanks | Stainless steel and nickel-based alloys |
Paper making and food industry | Steam solution tank, bleach tower, concentration tank, gas tank, warm water tank | stainless steel |
Mining machine | wearing plate | High manganese steel, cast iron, high carbon steel |
In the explosive welding experiment preparation of composite plates, the commonly used assembly methods are divided into parallel method and inclined method. Compared with the parallel method, the inclined method can obtain the dynamic parameters of explosive welding under different initial states in one experiment, and is also conducive to observing the continuous change of the material bonding interface. The inclined method is often used in experimental research; However, in the actual production process, a lot of practice has proved that the parallel method is simple in the explosive welding preparation process of large-area composite plates, and can obtain ideal welding effects to meet the needs of use
4. FAQ
The yield ratio and strain hardening index increase with the increase of the thickness ratio of stainless steel/aluminum alloy, while the elongation decreases with the increase of the thickness ratio of stainless steel/aluminum alloy. The influence of the thickness and temperature of the surface layer of aluminum and steel composite plates on the ultimate drawing ratio indicates that the ultimate drawing ratio of composite plates increases with the increase of the surface layer thickness, and decreases with the decrease of temperature
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