Mechanisms of hydrogen absorption by the bath
Gases in foundry aluminum alloys

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Mechanisms of hydrogen absorption by the bath


Gases in foundry aluminum alloys

Author : Jean CHARBONNIER

Publication date: April 10, 1991 | Lire en français

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3. Mechanisms of hydrogen absorption by the bath

The main source of hydrogen dissolved in aluminum baths is the reaction between the metal and water, which is reduced by the latter. The reactions involved are as follows, and are shown schematically on figure 2 :

3[[H2O]]vapeurdans l’atmosphère+2(Al)&<Al2O3>liquidesolide+6((H))dissousdans Al liquide

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