braze aluminum fin heat sink

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The manufacturing method of aluminum alloy heat sink for brazed heat exchanger consists of silicon, iron, manganese, zinc, zirconium, chromium, titanium, tin, aluminum and inevitable impurities. After casting, cold rolling, intermediate annealing and final annealing, the braze aluminum alloy heat sink is made.

After vacuum brazing, aluminum alloy heat sink material with high strength, excellent heat transfer performance, corrosion resistance, collapse resistance, sacrificial anode effect and self corrosion resistance is used for heat exchanger.

The heat sink of aluminum alloy heat exchanger (automobile engine or air conditioner, etc.) mainly adopts 1050, 3003 and 7072 alloy materials, and the combination of heat sink and tube body is completed by flux brazing or vacuum brazing. Such heat sink of aluminum alloy is deformed due to its high temperature heating due to its obvious strength when being brazed. In addition, the anode protection effect of tube body is not good after the heat sink is brazed, which makes the tube body deformed At present, the heat sink of the aluminum alloy heat exchanger is a new aluminum alloy material. It does not deform after being brazed and heated. It has good sag resistance and good anode protection effect on the tube body.

Learn More : Vacuum Brazing Furnace For Aluminium Alloy