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Mechanical Parameters and Microstructural Evolution of FDM-Printed PLA and PLA+CF Under Variable Infill Architecture and Lubricant Exposure. [PDF]
Polymers (Basel)Hozdić E, Hozdić E.
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Generation and evolution of inelastic microstructures ‐ an overview
GAMM-Mitteilungen, 2012AbstractIn this paper we give an overview on the modeling of inelastic microstructures using variational methods. We start by discussing the underlying variational principles for inelastic materials, derive evolution equations for internal variables, and introduce the concept of condensed energy. As a mathematical prerequisite we review the variational
Hackl, Klaus +2 more
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Perspectives: Evolutions with Microstructure
2021In this chapter we proceed with some examples towards unexplored regions, where the description of the motion as a geometric evolution of sets is partial, and we have to take into account the evolution of some type of microstructure.
Andrea Braides, Margherita Solci
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Coupling Microstructure Characterization with Microstructure Evolution
2010Microstructure reconstruction in 3D and quantitative digital representation are enabling consideration of polycrystalline and multi-phase microstructures in mechanics codes in a realistic way. To take full advantage of these advances, we discuss in this chapter the synergy of coupling quantitative microstructure characterization by experimental imaging
Chen Shen +4 more
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Microstructure development and evolution
International Conference on Simulation of Semiconductor Processes and Devices, 2003. SISPAD 2003., 2003We employ a level set-based geometry tracking software using a "grain continuum" representation, together with models for selected IC manufacturing processes and for microstructural evolution to study the development of grain structures. We consider electroless deposition, physical vapor deposition and grain boundary migration during curvature-driven ...
M.O. Bloomfield +2 more
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Coherent islands and microstructural evolution
Physical Review B, 1993Strained island growth in lattice-mismatched epitaxial systems differs from relaxed island growth. The total elastic energy of a strained island changes its chemical potential and growth rate. This effect is investigated for an ensemble of misfitting coplanar hemispherical caps interacting through surface diffusion alone.
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Microscale Simulation of Martensitic Microstructure Evolution
Physical Review Letters, 2004A new model for the evolution of multivariant martensitic microstructure in single crystals and polycrystals is developed. In contrast with Landau-Ginzburg models, which are limited in practice to nanoscale specimens, this new scale-free model is valid for length scales greater than 100 nm and without an upper bound.
Valery I, Levitas +2 more
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Microstructure evolution in density relaxation by tapping
Physical Review E, 2010The density relaxation phenomenon is modeled using both Monte Carlo and discrete element simulations to investigate the effects of regular taps applied to a vessel having a planar floor filled with monodisperse spheres. Results suggest the existence of a critical tap intensity which produces a maximum bulk solids fraction.
Anthony D, Rosato +4 more
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Evolution of Microstructure: an Example
2001We consider a continuum model for the flow of two phases of different mobility and density in a Hele-Shaw cell or a porous medium. As a consequence of the Saffman-Taylor instability, the phase distribution is thought to develop a microstructure, so that its evolution is effectively unpredictable.
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