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Metals 2017, 7(9), 323; doi:10.3390/met7090323

Influence of the Heating Rate on the Foaming Behavior of Various Aluminium Alloys

1
Chair of Structure and Properties of Materials, Technische Universität Berlin, Hardenbergstraße 36, 10623 Berlin, Germany
2
Institute of Applied Materials, Helmholtz-Centre Berlin for Materials and Energy GmbH, Hahn-Meitner-Platz 1, 14109 Berlin, Germany
*
Author to whom correspondence should be addressed.
Received: 14 July 2017 / Revised: 28 July 2017 / Accepted: 11 August 2017 / Published: 23 August 2017
(This article belongs to the Special Issue Porous Metals and Metallic Foams)
View Full-Text   |   Download PDF [793 KB, uploaded 23 August 2017]   |  

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. View Full-Text
Keywords: aluminium alloy foams; heating rate; powder processing aluminium alloy foams; heating rate; powder processing
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MDPI and ACS Style

Neu, T.R.; Pfretzschner, B.; García-Moreno, F.; Banhart, J. Influence of the Heating Rate on the Foaming Behavior of Various Aluminium Alloys. Metals 2017, 7, 323.

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