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| Kinetics and Microstructural Control | ||||||||||||||||||
| Microstructural
Development
· Stages in the precipitation process follow. The initial state shown is a random solid solution of copper in the aluminum matrix. |
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| ·
In
this condition the copper atoms substitute randomly for aluminum within
the fcc structure of the aluminum crystal.
· The alloy is dilute and not all unit cells will contain an impurity atom. |
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| From: Ashby & Jones, "Engineering Materials 2," Pergamon (1986) | ||||||||||||||||||