Advanced Engineering Materials

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Recently Published Articles

  1. Metallic Braided Structures: The Mechanical Modeling

    Djihad Rial, Amine Tiar, Kebir Hocine, Jean-Marc Roelandt and Eric Wintrebert

    Article first published online: 28 JAN 2015 | DOI: 10.1002/adem.201400422

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    The mechanical behavior of metallic braided structures used in the piping industry is investigated experimentally and numerically. Because such structures are not a continuum, their behavior needs a large finite element models. In order to overcome the huge computational cost, three finite element models are proposed in which two are based on homogenization.

  2. Transparent Conductive Metal Thin-Film Electrodes Structured by Direct Laser Interference Patterning

    Lars Müller-Meskamp, Sylvio Schubert, Teja Roch, Sebastian Eckhardt, Andrés-Fabián Lasagni and Karl Leo

    Article first published online: 28 JAN 2015 | DOI: 10.1002/adem.201400454

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    Using direct laser interference patterning (DLIP), we are able to structure thin metal films by direct ablation in a fast, single step process. To achieve beneficial pattern and ablation properties, different sublayers of MoOx, Au, Al, Cr or organics below the silver film and different laser power densities and pulse numbers are investigated. The resulting mesh-like, hexagonally periodic array of apertures shows improved transmittance and sheet resistance. The nanostructured thin-films have great potential to be combined with dielectric antireflection layers as transparent electrode for any thin-film optoelectronic devices.

  3. Tuning the Electromechanical Properties of Silicones by Crosslinking Agent

    Adrian Bele, Maria Cazacu, Carmen Racles, George Stiubianu, Dragos Ovezea and Mircea Ignat

    Article first published online: 23 JAN 2015 | DOI: 10.1002/adem.201400505

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    R-trialkoxysilanes, with R of different polarities, are used as crosslinking agents for polydimethylsiloxane-α,ω-diols in order to optimize the properties of interest for electromechanical actuation (strain, Young modulus, dielectric permittivity, dielectric loss) as well as other material properties.

  4. Direct Inkjet Printing of Dielectric Ceramic/Polymer Composite Thick Films

    Morten Mikolajek, Andreas Friederich, Christian Kohler, Melanie Rosen, Andreas Rathjen, Klaus Krüger and Joachim R. Binder

    Article first published online: 21 JAN 2015 | DOI: 10.1002/adem.201400451

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    A novel preparation route for composite thick films via inkjet printing is shown by development of a ceramic/polymer composite ink. This allows the fabrication of composite dielectric thick films in one process step. The drying behavior of the ink shows no coffee stain effect and homogeneous structures are obtained. All-inkjet-printed capacitors were fabricated with improved dielectric properties compared to the pure polymer.

  5. Enhanced Mechanical Properties of Microalloyed Austenitic Stainless Steel Produced by Martensite Treatment

    Mohammad Shirdel, Hamed Mirzadeh and Mohammad Habibi Parsa

    Article first published online: 20 JAN 2015 | DOI: 10.1002/adem.201400541

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    Ultrafine grained austenitic microstructure with bimodal grain size distribution and by incorporation of small amount of thermally-induced martensite was obtained in a microalloyed austenitic stainless steel through the reversion of strain-induced martensite to achieve superior mechanical properties.