Auflistung nach Schlagwort "Cracks"

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  • Carbon dioxide free production of hydrogen 
    Stoppel, L.; Fehling, T.; Geißler, T.; Baake, E.; Wetzel, T. (Bristol : Institute of Physics Publishing, 2017)
    The present report summarizes the theoretical modelling and experimental investigation results of the study on the direct thermal methane cracking. This work is a part of the LIMTECH-Project (Liquid Metal Technologies) ...
  • Crack repair of single crystal turbine blades using laser cladding technology 
    Rottwinkel, Boris; Nölke, Christian; Kaierle, Stefan; Wesling, Volker (Amsterdam : Elsevier B.V., 2014)
    The formation of cracks in single crystal (SX) turbine blades is a common problem for aero-engines. To repair cracks, which are located under the tip-area, a new method is to clad with single-crystal-technology. This ...
  • Criticality of cracks in PV modules 
    Kajari-Schröder, Sarah; Kunze, Iris; Köntges, Marc (London : Elsevier Ltd., 2012)
    The evaluation of cracks in PV modules is a difficult task: cracks do not necessarily lead to a strong degradation in the power output of the module directly after the crack initiation. However, PV modules with cracks ...
  • Evaluation of common tests for fracture characterisation of advanced high-strength sheet steels with the help of the FEA 
    Peshekhodov, Ilya; Dykiert, M.; Vucetic, Milan; Behrens, Bernd-Arno (Bristol : Institute of Physics Publishing, 2016)
    The paper presents results of evaluation of common tests for fracture characterization of advanced high-strength sheet steels with the help of the FEA. The tests include three in-plane shear tests, two uniaxial tension ...
  • FEA-based optimisation of a clinching process with an open multiple-part die aimed at damage minimisation in CR240BH-AlSi10MnMg joints 
    Behrens, Bernd-Arno; Bouguecha, Anas; Vucetic, Milan; Hübner, Sven; Yilkiran, Deniz; Jin, Yilin; Peshekhodov, Ilya (Les Ulis : EDP Sciences, 2015)
    The paper presents results of a FEA-based tool design optimisation for a clinching process with an open multiple-part die. The studied materials are the bake-hardening steel CR240BH (1.5 mm) on the punch side and the ...
  • Mechanical Integrity of Steel Discs with Corrosion Pits 
    Urbano, Jose; Golowin, Andrej; Löhnert, Stefan; Bestle, Dieter (Les Ulis : EDP Sciences, 2018)
    Currently, prediction of crack initiation by corrosion pits is only possible by assuming regular geometrical shapes, such as semi-spheres or semi-ellipsoids. Moreover, typical fatigue life diagrams associate the crack ...
  • Numerical modelling and validation of thermally-induced spalling 
    Berardone, Irene; Kajari-Schröder, Sarah; Niepelt, Raphael; Hensen, Jan; Steckenreiter, Verena; Paggi, Marco (London : Elsevier Ltd., 2015)
    In order to reduce the silicon consumption in the production of crystalline silicon solar cells, the improvement of sawing techniques or the use of a kerf-less process are possible solutions. This study focuses on a ...
  • On modelling of shear fracture in deep drawing of a high-strength dual-phase sheet steel 
    Behrens, Bernd-Arno; Bonk, Christian; Peshekhodov, I. (Bristol : Institute of Physics Publishing, 2017)
    The paper presents application of fracture behaviour characterisation results of a dual-phase sheet steel DP600 to an FEA of its deep-drawing for shear fracture prediction. The characterisation results were obtained with ...
  • Understanding the Movement of Cracked Solar Cell Parts in PV-modules during Mechanical Loading 
    Haase, Felix; Käsewieter, Jörg; Köntges, Marc (London : Elsevier Ltd., 2016)
    We measure the three dimensional movement of cracked solar cell parts in standard sized PV-modules during a four line bending test. We develop a model which explains this movement assuming that the centers of mass of the ...