1. Solubility of hydrogen in aluminum
Hydrogen solubility in aluminum alloys depends on three factors:
temperature ;
the composition of the atmosphere in contact with the alloy;
alloy composition.
1.1 Effect of temperature
This is undoubtedly the factor with the greatest influence on gassing problems. The solubility of hydrogen in pure aluminum, expressed in Ncm 3 /100 g, varies as shown in figure 1 . An abrupt discontinuity appears during solidification. Aluminum is capable of dissolving twenty times...
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Solubility of hydrogen in aluminum
Origin of gassing. Hydrogen sources
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