Advanced Engineering Materials
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Recently Published Articles
- Stress and Induced Electric Polarization Modeling in Polar, Semi-polar, and Non-Polar AlGaN/GaN Heterostructures for Piezotronics Application
Bartłomiej K. Paszkiewicz
Version of Record online: 24 FEB 2017 | DOI: 10.1002/adem.201600712
This paper presents model that allows analysis of polarization states present inside AlGaN/GaN heterostructures with a special attention to its applications in piezotronics field. The model enables to predict a polarization and stress state inside a heterostructure with any Al content and of any crystallographic orientation. It is presented, that it is possible to control polarization state of heterostructure.
- Intermetallic β-Solidifying γ-TiAl Based Alloys − From Fundamental Research to Application
Svea Mayer, Petra Erdely, Franz Dieter Fischer, David Holec, Michael Kastenhuber, Thomas Klein and Helmut Clemens
Version of Record online: 23 FEB 2017 | DOI: 10.1002/adem.201600735
Intermetallic titanium aluminides have gone their way from intensive fundamental research on a laboratory scale to an innovative class of light-weight high-temperature materials which have found their application in aerospace and automotive industries. The present review bridges the gap from development of the so-called TNM alloy, through structural characterization, engineering properties, manufacturing and processing technologies to all aspects of application.
- Advanced Structural Materials by Bioinspiration
Flavia Libonati and Markus J. Buehler
Version of Record online: 23 FEB 2017 | DOI: 10.1002/adem.201600787
Nature uses several strategies to turn weakness into strength. By combining few universal building blocks confined to a specific size and arranged into different substructures interacting through carefully designed interfaces, Nature is able to produce a large variety of multiscale hierarchical materials, which are efficient, multifunctional and sustainable.
- Laser Powder Bed Fusion – Materials Issues and Optimized Processing Parameters for Tool steels, AlSiMg- and CuCrZr-Alloys
Bruno Buchmayr, Gerhard Panzl, Alexander Walzl and Christopher Wallis
Version of Record online: 23 FEB 2017 | DOI: 10.1002/adem.201600667
The Laser Powder Bed Fusion (L-PBF) process is suitable to process ferrous and non-ferrous materials. The work describes the usability of two new steel grades for L-PBF process, the influence of post-weld heat treatments on the AlSi10Mg alloy, including microstructure, as well as mechanical properties and the investigations on CuCrZr parts, discussing mechanical, and thermal properties after heat treatment.
- Fabricating Three-Dimensional Periodic Micro Patterns on Photo-Resists Using Laser Interference Lithography
Florian Rößler, Valentin Lang, Denise Günther and Andrés Fabián Lasagni
Version of Record online: 21 FEB 2017 | DOI: 10.1002/adem.201600855
Mushroom geometries as in the springtails have demonstrated to show outstanding surface functionalities such as non-wetting and prevention of bacterial settlement. This study focus on the development of a laser-based fabrication method to produce three-dimensional periodic patterns with undercuts irradiating a multilayered system of SU-8 and LOR using interference patterns.