Martin Grolms

New way to determine thermal shock behavior of ceramics

By Martin Grolms / July 29, 2013

Comparison of  experimental results with simulated results to determine the thermal shock behavior of ceramic materials shows excellent agreement. Credit: Wiley Materials Views. (Editor’s note: This article was originally published in…

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Cell instructive material made from titanium oxide nanotubes

By Martin Grolms / July 23, 2013

[Editor’s note: this article originally appeared in Wiley Materials Views on July 3.] Highly ordered, vertically oriented titanium oxide nanotube arrays obtained by titanium anodization have attracted huge attention because of their…

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How to knit silicon carbide fibers

By Martin Grolms / July 3, 2012

Woven silicon carbide fibers. Credit: Christian Heiss et al.; MaterialsViews/Wiley. Textile structures made from silicon carbide fibers are very interesting for manufacturing of fiber reinforced high temperature resistant ceramic matrix composites…

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Interlocking ceramic elements lead to quasi-plastic properties

By Martin Grolms / May 29, 2012

Display of self-interlocking elements from oxide ceramics. Assemblies of such elements possess an increased bending compliance compared to bulk plates. Cracks are confined to a few elements, so that most…

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Reactive fillers to produce wollastonite bioceramics

By Martin Grolms / May 3, 2012

Examples of 3D wollastonite-based scaffold from preceramic polymers with reactive fillers. This sample from is from fused deposition, after ceramization. Credit: E. Bernardo et. al.; Adv. Eng. Mater. The main problem with…

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Composite materials: Reinforcing metal with ceramics

By Martin Grolms / March 8, 2012

Sample metal–ceramic composite honeycomb macrostructures. Credit: C. Weigelt et al.; Adv. Eng. Mater. The combination of two or more different materials offers a range of advantages. Regarding crashworthiness, for instance, composite materials…

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Finding the perfect ink for printing ceramic parts

By Martin Grolms / October 20, 2011

Ink jet head. Credit: Wikipedia; Creative Commons license Ink jet printing techniques are applied with an increasing number of materials. In particular, solid freeform fabrication (SFF) methods for ceramic materials…

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University of Limoges developing composite ceramics for aeronautics applications

By Martin Grolms / August 4, 2011

ZrC-SiC materials from poly(methylvinylsilane) Credit Pizon, et al.; Advanced Engineering Materials. New advanced materials are often drivers of technologies, especially for aeronautics applications. Many materials have been developed to resist severe…

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Ceramics from alumina-loaded preceramic paper for lightweight applications

By Martin Grolms / August 1, 2011

Example of sintered alumina turbine, manufactured from alumina paper in previous work by Travitzky, et als. Credit: Paper Technology Foundation (PTS), Munich, Germany. Preceramic paper processing is an interesting novel approach…

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Bioactive cement plaster: Bioengineering in action

By Martin Grolms / March 29, 2011

Electron micrographs of the cross-section of magnesium phosphate cement-cylinders. (a) MPC-cylinder without bacteria. (b) Macroporous structure within the inner section of freshly prepared MPC with embedded R. ruber bacteria. (c)…

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