Search Results - "Böhlke, T."

Review on slip transmission criteria in experiments and crystal plasticity models by Bayerschen, E., McBride, A. T., Reddy, B. D., Böhlke, T.

“…A comprehensive overview is given of the literature on slip transmission criteria for grain boundaries in metals, with a focus on slip system and grain…”
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Periodic three-dimensional mesh generation for particle reinforced composites with application to metal matrix composites by Fritzen, F., Böhlke, T.

“…A method for the generation of three-dimensional model microstructures resembling particle reinforced composites is developed based on the periodic Voronoi…”
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Three-dimensional finite element implementation of the nonuniform transformation field analysis by Fritzen, Felix, Böhlke, T.

“…In this paper aspects of the nonuniform transformation field analysis (NTFA) introduced by Michel and Suquet (Int. J. Solids Struct. 2003; 40:6937–6955) are…”
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Mechanism based mean-field modeling of the work-hardening behavior of dual-phase steels by Rieger, F., Wenk, M., Schuster, S., Böhlke, T.

“…Low-alloyed dual-phase (DP) steels exhibit good mechanical properties due to their composite-like microstructure of strong martensitic inclusions embedded in a…”
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Periodic three-dimensional mesh generation for crystalline aggregates based on Voronoi tessellations by Fritzen, F., Böhlke, T., Schnack, E.

“…In this paper a method for the generation of three-dimensional periodic meshes for the numerical simulation of polycrystalline aggregates is presented. The…”
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A gradient plasticity creep model accounting for slip transfer/activation at interfaces evaluated for the intermetallic NiAl-9Mo by Albiez, J., Erdle, H., Weygand, D., Böhlke, T.

“…Interfaces can act as dislocation obstacles, sinks or dislocation sources and, therefore, influence strongly the mechanical properties of metals. To consider…”
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Power-law defect energy in a single-crystal gradient plasticity framework: a computational study by Bayerschen, E., Böhlke, T.

“…A single-crystal gradient plasticity model is presented that includes a power-law type defect energy depending on the gradient of an equivalent plastic strain…”
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Effective transport properties for periodic multiphase fiber-reinforced composites with complex constituents and parallelogram unit cells by Sabina, F.J., Guinovart-Díaz, R., Espinosa-Almeyda, Y., Rodríguez-Ramos, R., Bravo-Castillero, J., López-Realpozo, J.C., Guinovart-Sanjuán, D., Böhlke, T., Sánchez-Dehesa, J.

“…•Two-scale asymptotic homogenization method is used to find formulas for effective properties.•The constituents have complex-valued transport properties and…”
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Modeling contrary size effects of tensile- and torsion-loaded oligocrystalline gold microwires by Bayerschen, E., Prahs, A., Wulfinghoff, S., Ziemann, M., Gruber, P. A., Walter, M., Böhlke, T.

“…When Chen et al. (Acta Mater 87:78–85, 2015) investigated the deformation behavior of oligocrystalline gold microwires with varying diameters in both uniaxial…”
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Physically motivated model for creep of directionally solidified eutectics evaluated for the intermetallic NiAl–9Mo by Albiez, J., Sprenger, I., Seemüller, C., Weygand, D., Heilmaier, M., Böhlke, T.

“…Directional solidification (DS) of near-stoichiometric NiAl with a reinforcing refractory metal is of great interest for high-temperature structural…”
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Numerical characterization of residual stresses in a four-point-bending experiment of textured duplex stainless steel by Maassen, S. F., Erdle, H., Pulvermacher, S., Brands, D., Böhlke, T., Gibmeier, J., Schröder, J.

“…The resulting shapes in production processes of metal components are strongly influenced by deformation induced residual stresses. Dual-phase steels are…”
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Nonuniform transformation field analysis of materials with morphological anisotropy by Fritzen, F., Böhlke, T.

“…The effective properties of metal matrix composites with particulate reinforcement are investigated using the nonuniform transformation field analysis (NTFA)…”
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Numerical modeling of carbon/carbon composites with nanotextured matrix and 3D pores of irregular shapes by Drach, B., Tsukrov, I., Gross, T., Dietrich, S., Weidenmann, K., Piat, R., Böhlke, T.

“…A multiscale modeling approach is utilized to evaluate the contribution of irregularly shaped three-dimensional pores to the overall elastic properties of…”
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Asymptotic and numerical homogenization methods applied to fibrous viscoelastic composites using Prony’s series by Otero, J. A., Rodríguez-Ramos, R., Guinovart-Díaz, R., Cruz-González, O. L., Sabina, F. J., Berger, H., Böhlke, T.

“…The paper focuses on the evaluation of the effective properties of linear viscoelastic composites with a periodic structure, containing long cylindrical fibers…”
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Geometrically non-linear modeling of the Portevin–Le Chatelier effect by Böhlke, T., Bondár, G., Estrin, Y., Lebyodkin, M.A.

“…In this work we investigate the plastic instabilities associated with the Portevin–Le Chatelier (PLC) effect in Al alloy 2024. A semi-phenomenological approach…”
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Deformation patterns in cross-sections of twisted bamboo-structured Au microwires by Ziemann, M., Chen, Y., Kraft, O., Bayerschen, E., Wulfinghoff, S., Kirchlechner, C., Tamura, N., Böhlke, T., Walter, M., Gruber, P.A.

“…In order to investigate an almost pure extrinsic size effect we propose an experimental approach to investigate the deformation structure within single…”
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On the effective elastic properties based on mean-field homogenization of sheet molding compound composites by Trauth, A., Kehrer, L., Pinter, P., Weidenmann, K., Böhlke, T.

“…Fiber reinforced polymers, for example sheet molding compounds (SMC), have gained significant importance as lightweight materials. In this work, a SMC…”
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Mechanisms of toughening in silicon nitrides: The roles of crack bridging and microstructure by Fünfschilling, S., Fett, T., Hoffmann, M.J., Oberacker, R., Schwind, T., Wippler, J., Böhlke, T., Özcoban, H., Schneider, G.A., Becher, P.F., Kruzic, J.J.

“…Crack-bridging mechanisms can provide substantial increases in toughness coupled with strength in ceramics. Herein, we describe the various bridging…”
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Fracture characterization of C/C composites under various stress modes by monitoring both mechanical and acoustic responses by Bussiba, A., Kupiec, M., Piat, R., Böhlke, T.

“…C/C composites with different porosities, produced by chemical vapor infiltration have been mechanically tested under quasi-static loading in bending modes…”
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The evolution of Hooke's law due to texture development in FCC polycrystals by Böhlke, T., Bertram, A.

“…Initially isotropic aggregates of crystalline grains show a texture-induced anisotropy of both their inelastic and elastic behavior when submitted to large…”
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