Aluminum is ideal for welding. They can be welded to a variety of methods, but, in practice, is dominated by a few of them. When welding aluminum metal to be incorporated into the reaction with oxygen and then rising at a rapid pace oxide. Note that the oxide is hard and has a high melting point (about 2050 °C), and therefore may easily cause defects in the weld. The oxide is heavier than the molten metal therein, and can create inclusions. Therefore, the first welding of aluminum oxide to remove…
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