Temperature programmed desorption and thermogravimetric studies of outgassing of aluminium powder
Résumé
In order to obtain high quality powder aluminum alloys, it is necessary to optimize the degassing of the powder before sintering. By means of the temperature desorption technique and the thermogravimetric method, water and hydrogen evolution has been studied on a 7091 aluminum alloy. Concerning hydrogen formation, experiments confirm the part of water vapor in the environment and the part of water liberated by dehydration of alumina on the reactional process.
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