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Article | REF: M4661 V1

General properties of aluminum and its alloys

Author: Christian VARGEL

Publication date: December 10, 2005

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1. Aluminum properties

The properties indicated are generally those of unalloyed aluminum with a purity level ("titre") of 99.99%. Where this is not the case, the composition or standard designation is specified.

1.1 Atomic structure

Aluminum, chemical symbol Al, has atomic number Z = 13 which corresponds to 13 electrons distributed over the s and p orbital layers as follows:

1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 1

Aluminum belongs to Group IIIa of the Periodic...

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