Neu, T.R.; Pfretzschner, B.; Garcia-Moreno, F.; Banhart, J.: Influence of the Heating Rate on the Foaming Behavior of Various Aluminium Alloys. Metals 7 (2017), p. 323/1-5
10.3390/met7090323
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Abstract:
Powders of metallurgically prepared precursors expand to a foam differently depending on how fast they are heated to their foaming temperature. The foaming behavior of four alloys was studied with heating rates varying from 0.1 K/s to 18 K/s. It was found that each alloy shows its own non-linear behavior of expansion values. Alloys not containing magnesium exhibit a maximum at intermediate heating rates, whereas Mg-containing alloys tend to expand more for higher heating rates.