Powder Metallurgically Manufactured Cellular Metallic Materials

Dear Colleagues,

The class of cellular metallic materials now has a long history and is firmly established in the scientific community. In earlier years, questions of lightweight construction dominated, but today functional applications are just as important. This applies in particular to higher-melting materials beyond aluminum foam. Powder metallurgy plays a special role for these materials, as it is the basis for a whole range of frequently used manufacturing processes for cellular metals.

Lately, the rapid development of additive manufacturing methods has proved to be a particular innovation driver for this research field. Here, too, powder metallurgical know-how has played an essential role. It has allowed the realization of a variety of novel geometries and optimizations, such as auxetic materials or topologically optimized components. For the latter, another important driver for this research field is the rapid advancement of simulation tools, which, in combination with the increased availability of computed tomographic measurements, has led to significant property improvements. Finally, it is application-related interests that have led to further advancements. Driven by biomedical, thermal, or catalytic applications or questions of energy conversion and heat storage, a broad diversity of fabrication techniques on the one hand and a high level of application-related understanding on the other hand have emerged.

This Special Issue focuses therefore on manufacturing technologies with a particular reference to powder metallurgical engineering of highly porous metals. This includes powder-based additive manufacturing methods and related application-driven research. Further emphasis will be placed on the special properties of the materials as well as state-of-the-art testing methods and their standardization. Last but not least, simulation and modelling work related to the above-mentioned topics will find its place in this Special Issue.

Dr. Peter Quadbeck
Dr. Olaf Andersen
Guest Editors

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• cellular metallic materials
• powder metallurgy
• sintering
• debinding
• additive manufacturing
• heat transfer
• biomedical materials
• mechanical properties
• thermal properties
• simulation and modeling