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COST 507 - Repositório Aberto da Universidade do Porto

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Al - 0.5 Fe, 1 Mg, 0.8 Mn, 0.2 Si (wt %)<br />

0.06<br />

—<br />

I<br />

I<br />

I<br />

—<br />

0.05<br />

AI 6 Mn<br />

-<br />

0.04<br />

2 0.03<br />

AI 6 Mn^<br />

;<br />

(Λ<br />

CO<br />

E<br />

0.02<br />

-<br />

Ν. C alpha<br />

-<br />

0.01<br />

Mg 2 Si<br />

/C alpha<br />

Ttwd<br />

0.00<br />

300 400 500<br />

T/C<br />

,<br />

600 700<br />

Fig 2 Calculated mass fraction plot for an "idealised" 5<br />

component 5000 series type alloy, showing the proportions<br />

of the phases present as a function of temperature. The plot<br />

is expanded to show more clearly the phases present.<br />

23 -

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