Search Results - "Motaman, S. Amir H."

Microstructural constitutive model for polycrystal viscoplasticity in cold and warm regimes based on continuum dislocation dynamics by Amir H. Motaman, S., Prahl, Ulrich

“…•Postulates of the continuum dislocation dynamics (CDD) are presented.•Dislocation processes influencing dislocation density are statistically…”
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Thermo-micro-mechanical simulation of metal forming processes by Motaman, S. Amir H, Schacht, Konstantin, Haase, Christian, Prahl, Ulrich

“…The newly proposed microstructural constitutive model for polycrystal viscoplasticity in cold and warm regimes (Motaman and Prahl, 2019), is implemented as a…”
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Optimal Design for Metal Additive Manufacturing: An Integrated Computational Materials Engineering (ICME) Approach by Motaman, S. Amir H., Kies, Fabian, Köhnen, Patrick, Létang, Maike, Lin, Mingxuan, Molotnikov, Andrey, Haase, Christian

“…We present our latest results on linking the process–structure–properties–performance (PSPP) chain for metal additive manufacturing (AM), using a multi-scale…”
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Anisotropic polycrystal plasticity due to microstructural heterogeneity: A multi-scale experimental and numerical study on additively manufactured metallic materials by Motaman, S. Amir H., Roters, Franz, Haase, Christian

“…Additively manufactured (AM) metallic parts exhibit substantially different microstructures compared to those that are conventionally produced…”
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The microstructural effects on the mechanical response of polycrystals: A comparative experimental-numerical study on conventionally and additively manufactured metallic materials by Motaman, S. Amir H., Haase, Christian

“…Metal additive manufacturing (AM) provides an unprecedented opportunity to explore extreme microstructural regimes and their associated effects on the…”
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The anisotropic grain size effect on the mechanical response of polycrystals: The role of columnar grain morphology in additively manufactured metals by Motaman, S． Amir H., Kibaroglu, Dilay

“…•Axial grain size is a robust descriptor for representing complex states of grain morphology.•The introduced grain size anisotropy function can effectively…”
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The anisotropic grain size effect on the mechanical response of polycrystals: The role of columnar grain morphology in additively manufactured metals by Motaman, S. Amir H, Kibaroglu, Dilay

“…Additively manufactured (AM) metals exhibit highly complex microstructures, particularly with respect to grain morphology which typically features…”
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Microstructural constitutive model for polycrystal viscoplasticity in cold and warm regimes based on continuum dislocation dynamics by Motaman, S. Amir H, Prahl, Ulrich

“…Viscoplastic flow of polycrystalline metallic materials is the result of motion and interaction of dislocations, line defects of the crystalline structure. In…”
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Thermo-micro-mechanical simulation of bulk metal forming processes by Motaman, S. Amir H, Schacht, Konstantin, Haase, Christian, Prahl, Ulrich

“…https://doi.org/10.1016/j.ijsolstr.2019.05.028 The newly proposed microstructural constitutive model for polycrystal viscoplasticity in cold and warm regimes…”
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Evolution of microstructural heterogeneities in additively manufactured low-alloy steel by Turnali, Ahmet, Motaman, S. Amir H., Chang, Yuling, Böttger, Bernd, Serafeim, Alexandros, Sayk, Lennart, Peter, Nicolas J., Richter, Silvia, Schwedt, Alexander, Höges, Simon, Haase, Christian

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