Weise, J., Lehmhus, D., Wenzel, T., Kobylko, C., Haesche, M.
Using expandometry, X-ray computer-tomography in combination with a newly-developed software for pore-size evaluation and compression tests, the influence of adding elements and particles upon...
Lehmhus, D., Wichmann, M., Busse, M.
Different titanium hydride variants have been produced by means of thermal treatment in air. Thermal analysis data on these materials has been used for kinetic analyses comparing different kinetic...
Chen, Y., Bomas, H., Lehmhus, D., Busse, M.
The properties of aluminium foam sandwich materials (AFS) have been studied under static and cyclic loads. Two sandwich variants have been compared, namely AlMnl face sheets/AlSi7 core and AA6060...
Aluminum foam-polymer hybrid structures (APM aluminum foam) in compression testing (2008)
Stöbener, K., Lehmhus, D., Avalle, M., Peroni, L., Busse, M.
The Advanced Pore Morphology (APM) process, a new method for production of aluminum foam-polymer hybrid materials, is described. Small volume aluminum foam spheres are produced first and then...
Solorzano, E., Reglero, J.A., Gonzáles Rodriguez, M.A., Lehmhus, D., Wichmann, M., Saja, J.A. De
The thermal conductivity of a collection of AlSi7 foams with porosities between 0.5 and 0.8 produced throughout the powder metallurgical route has been determined using the transient plane source...
Hierarchical structure of aluminium foams and relation to compression behaviour (2007)
Martin, U., Mosler, U., Lehmhus, D., Müller, A., Heinzel, G.
The present study examines the possibilities of a statistically secured approach to estimate the plateau stress of compression loaded aluminium foams. Density-normalised plateau stress values were...
Verbundwerkstoffe mit Aluminiumschaum - Anwendungen im Schienenfahrzeugbau (2007)
Baumeister, J., Rausch, G., Stöbener, K., Lehmhus, D., Busse, M.
Nach ihrer Wiederentdeckung Anfang der 90er Jahre werden geschäumte Metalle inzwischen im industriellen Maßstab hergestellt. In den meisten Fällen handelt es sich dabei um Anwendungen, bei denen...
Geschäumte Kugeln - Das Potenzial von Aluminiumschaum mit der APM-Technologie (2007)
Baumeister, J., Stöbener, K., Rausch, G., Lehmhus, D., Busse, M.
Structure of aluminium foams and relation to mechanical properties (2006)
Martin, U., Mosler, U., Müller, A., Heinzel, G., Lehmhus, D.
Esmaeelzadeh, S., Simchi, A., Lehmhus, D.
The effects of SiC addition on the foaming behavior and compressive properties of AlSi7 metal foams were studied. Elemental powders of Al, Si, SiC and TiH2 were mixed, hot compacted and foamed at...
Aus Metallschaumbausteinen aufgebautes Bauteil und Verfahren zu seiner Herstellung (2005)
Stoebener, K., Lehmhus, D., Zimmer, N., Baumeister, J.
WO2005000502 A UPAB: 20050324 NOVELTY - Production of a metal foam component comprises adding energy to at least partially foam granulates composed of at least a metal powder and a foamant, in which...
Bauteil aus Verbundwerkstoff und Verfahren zu seiner Herstellung (2004)
DE 10241511 A UPAB: 20040426 NOVELTY - Hollow component comprises a layer of sturdy metallic material (2) and a layer of a foamed metallic material (1). The outer surface of the hollow component is...
Potential new matrix alloys for production of Pm aluminum foams (2004)
The powder compact melting technique for aluminium foam production as practised today accepts a certain mismatch between foaming agent decomposition and matrix alloy melting temperatures. This...
Composites based on metallic foams: Phenomenology, production, properties and principles (2003)
Stöbener, K., Baumeister, J., Lehmhus, D., Rausch, G., Stanzick, H., Zöllmer, V.
Traegerstrukturen zur Aufnahme von Kraeften und Verformungsenergie (2003)
DE 10158627 A UPAB: 20030813 NOVELTY - The bearer structure has a layer structure, consisting of at least one first layer composed of foamed metal foam (2'), and at least one other layer, which is...
Properties of heat-treated aluminium foams (2003)
Aluminium foams based on the wrought alloy AA6061 were subjected to different heat treatments in order to evaluate possibilities to tailor their mechanical properties. Quenching after foaming was...
Adaptation of aluminium foam properties by means of precipitation hardening (2002)
Lehmhus, D., Banhart, J., Rodriguez-Perez, M.A.
Aluminium foam samples based on four aluminium alloys were investigated with respect to their reaction to beat treatments, namely precipitation hardening treatments. Foam samples were produced...
Influence of heat treatment on compression fatigue of aluminium foams (2002)
Lehmhus, D., Marschner, C., Banhart, J.
Metal foams were produced by means of the powder compact melting technique. Specimens were made of a wrought aluminium alloy similar in composition to AA 6061. A part of the samples was subjected to...