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How aluminum melts at 460 degrees in galvanizing zinc pot although its melting point is 660?

Answer:

formation of low melting point solutions

All metal melting point in alloy form with other metal is vary according to its portion and always less than its pure condition. Please see the Zn-Al phase diagram. You can find that when the Aluminum portion in the zinc bath is less than 10%, the Zn-AL alloy melting point is less that 450 C.
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First answer by ID1074558280. Last edit by Herdis. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 33 [recommend question].

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