Advanced Engineering Materials

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Recently Published Articles

  1. Designing Stainless Steel Surfaces with Anti-Pitting Properties Applying Laser Ablation and Organofluorine Coatings

    Elaine Armelin, Sona Moradi, Savvas G. Hatzikiriakos and Carlos Alemán

    Version of Record online: 22 JAN 2018 | DOI: 10.1002/adem.201700814

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    Long-lasting and superhydrophobic stainless steel with anti-pitting properties is achieved by modifying AISI 304L through a two-step strategy:1) application of a femtosecond surface laser ablation; and 2) deposition of a nanometric coating. The prepared surfaces prevent the steel substrates from getting wet with water, protecting them from the pitting corrosion caused by the electrolyte intrusion.

  2. Multiscale Modeling of Microstructure-Property Relationships of Polycrystalline Metals during Thermo-Mechanical Deformation

    Marko Knezevic and Irene J. Beyerlein

    Version of Record online: 19 JAN 2018 | DOI: 10.1002/adem.201700956

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    This article reviews recent advances in the development of a model for the critical activation stresses for thermally activated glide and the expansion of deformation twins, its implementation into meso-scale polycrystal plasticity models, and several applications for predicting the constitutive response of polycrystalline metals at the macro-scale within implicit finite element framework.

  3. Improvement of the Electrical Conductivity between Electrode and Sheet in Spot Welding Process by Direct Laser Interference Patterning

    Stefan Heilmann, Christoph Zwahr, Alexander Knape, Jörg Zschetzsche, Andrés Fabián Lasagni and Uwe Füssel

    Version of Record online: 19 JAN 2018 | DOI: 10.1002/adem.201700755

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    Direct Laser Interference Patterning (DLIP) with picosecond pulses is used to structure copper electrodes and aluminum sheets used in spot welding process. Using DLIP, it is possible to decrease the contact resistance in spot welding process by 50% leading to lower wear of the welding electrodes. Thus, the lifetime of the welding electrodes increases, which could spare setup time in the construction of car bodies.

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    Editorial

    Sandra Kalveram and Jolke Perelaer

    Version of Record online: 16 JAN 2018 | DOI: 10.1002/adem.201701078

  5. Polysilazane-Type Coatings on Mo–Si–B Alloys: A Thermodynamic Assessment of the Phase Composition

    Iryna Smokovych and Michael Scheffler

    Version of Record online: 16 JAN 2018 | DOI: 10.1002/adem.201700936

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    This paper combines a theoretical/thermodynamic assessment of the phase formation between MoSiB and a polymer derived ceramic coating, in which a polysilazane is used for coating of Mo–Mo3Si(A15)–Mo5SiB2(T2) alloy. Based on the phase equilibrium of the model systems, the predicted phase composition of the coatings may act as a protecting passivation layer on the surface of Mo–Si–B alloys.

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