Advanced Engineering Materials

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Recently Published Articles

  1. 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.

  2. 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.

  3. 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.

  4. Oxide Formation, Morphology, and Nanohardness of Laser-Patterned Steel Surfaces

    Andreas Rosenkranz, Leander Reinert, Carsten Gachot, Hisham Aboufadl, Samuel Grandthyll, Karin Jacobs, Frank Müller and Frank Mücklich

    Article first published online: 20 JAN 2015 | DOI: 10.1002/adem.201400487

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    In this research work, stainless steel samples are laser-patterned with a line-like surface pattern. A detailed chemical analysis is performed by X-ray photoelectron spectroscopy and atom probe tomography. The chemical properties are correlated with microstructural properties such as nanohardness.

  5. Self Healing of Creep Damage by Gold Precipitation in Iron Alloys

    Shasha Zhang, Cees Kwakernaak, Willem Sloof, Ekkes Brück, Sybrand van der Zwaag and Niels van Dijk

    Article first published online: 15 JAN 2015 | DOI: 10.1002/adem.201400511

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    Autonomous repair of high-temperature creep damage in iron alloys can be achieved by adding gold. Like biological systems, metals can self heal damage during operation. The selective gold precipitation at the early-stage creep cavities results in a pore filling, and thereby damage repair. This mechanism strongly enhances the creep lifetime and opens new opportunities for self healing in metals.