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View article: Towards optimizing the thermal processes in aluminum alloys using a full-field CA based approach for static recrystallization modeling
Towards optimizing the thermal processes in aluminum alloys using a full-field CA based approach for static recrystallization modeling Open
A combination of thermal and mechanical processing is used to produce flat rolled aluminum products. Typically, hot rolled sheets undergo significant time at elevated temperatures during coil cooling. This results in static recrystallizati…
View article: A thermodynamically consistent machine learning-based finite element solver for phase-field approach
A thermodynamically consistent machine learning-based finite element solver for phase-field approach Open
In this article, a thermodynamics-based data-driven approach utilizing machine learning is proposed to accelerate multiscale phase-field simulations. To obtain training data, the interface propagation kinetics, integrated into a physics-ba…
View article: A three-dimensional phase-field model for studying the orientation-dependent interface evolution in stress-induced martensitic phase transformation
A three-dimensional phase-field model for studying the orientation-dependent interface evolution in stress-induced martensitic phase transformation Open
In this study, we address the challenging task of predicting the motion of interfaces in stress-driven martensitic phase transformations within shape memory alloys. The novelty of our approach lies in the introduction of a monolithically s…
View article: Decoding stress-strain parameters in FCC metals using digital constitutive analyses to devolve dynamic obstacle-strength factor and diffuse necking
Decoding stress-strain parameters in FCC metals using digital constitutive analyses to devolve dynamic obstacle-strength factor and diffuse necking Open
Simulation codes use constitutive relations of work hardening to virtually predict shape change during metal forming. Recent analysis has shown that the modified Hollomon-type relation correlates to stress-aided thermal activation at obsta…
View article: Novel thresholding method and convolutional neural network for fiber volume content determination from 3D <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si32.svg" display="inline" id="d1e1466"><mml:mi mathvariant="normal">μ</mml:mi></mml:math>CT images
Novel thresholding method and convolutional neural network for fiber volume content determination from 3D CT images Open
In order to determine fiber volume contents (FVC) of low contrast CT images of carbon fiber reinforced polyamide 6, a novel thresholding method and a convolutional neural network are implemented with absolute deviations from experimental v…
View article: Anisotropic Mechanical Behaviour of Nickel Based Single Crystal Superalloy CMSX-4 for Prediction of Grain Recrystallization during Homogenization Heat Treatment Following Solidification
Anisotropic Mechanical Behaviour of Nickel Based Single Crystal Superalloy CMSX-4 for Prediction of Grain Recrystallization during Homogenization Heat Treatment Following Solidification Open
In the present work, a methodology to identify parameters of an elastic viscoplastic behaviour law is presented. Orthotropic elasticity and Hill48 plastic anisotropy for as-cast CMSX-4 are considered. In order to obtain the corresponding p…
View article: A Review on Capturing Twin Nucleation in Crystal Plasticity for Hexagonal Metals
A Review on Capturing Twin Nucleation in Crystal Plasticity for Hexagonal Metals Open
Owing to its ability to incorporate Schmid’s law at each integration point, crystal plasticity has proven a powerful tool to simulate and predict the slip behavior at the grain level and the ensuing heterogeneous stress/strain localization…
View article: The use of the empirical crack orientation tensor to characterize the damage anisotropy
The use of the empirical crack orientation tensor to characterize the damage anisotropy Open
In practice, a dominant failure mode of brittle materials, such as fiber-reinforced thermosets is the initiation and propagation of cracks under cyclic loading. In general, the damage in composites with irregular microstructure do not occu…
View article: A Method to Incorporate Grain Boundary Strength and its Effects on Plastic Deformation in FCC Polycrystals
A Method to Incorporate Grain Boundary Strength and its Effects on Plastic Deformation in FCC Polycrystals Open
A three-dimensional (3D) crystal plasticity finite element method (CPFEM) is developed to investigate the effect of grain boundary strength on heterogeneous strain partitioning in FCC polycrystals. The proposed method incorporates electron…
View article: Using Artificial Intelligence to Aid Vehicle Lightweighting in Crashworthiness with Aluminum
Using Artificial Intelligence to Aid Vehicle Lightweighting in Crashworthiness with Aluminum Open
Significant efforts have been made in the automotive industry to reduce vehicle weight in order to improve vehicle fuel economy and reduce greenhouse gas emissions. New innovations in structural lightweight alloys and manufacturing techniq…
View article: Crystal Plasticity Based Transformation Induced Plasticity Formulation for Predictions of Forming Limit Diagrams
Crystal Plasticity Based Transformation Induced Plasticity Formulation for Predictions of Forming Limit Diagrams Open
Significant effort has been invested into the development and research of Advanced High Strength Steel. In particular, transformation induced plasticity (TRIP) steel has shown promise as a candidate for lightweighting of vehicles because o…
View article: A Multiscale Model to Incorporate Texture Evolution into Phenomenological Plasticity Models
A Multiscale Model to Incorporate Texture Evolution into Phenomenological Plasticity Models Open
Crystal plasticity is a micromechanics-based model that is regularly used to simulate plastic spin during large deformation. Although crystal plasticity can provide an accurate description of local deformation behaviour, it is often comput…
View article: A New Thermo-Elasto-Viscoplastic Crystal Plasticity Framework to Predict the Formability of Aluminum Alloys at Elevated Temperatures
A New Thermo-Elasto-Viscoplastic Crystal Plasticity Framework to Predict the Formability of Aluminum Alloys at Elevated Temperatures Open
A new thermo-elasto-viscoplastic (TEV) crystal plasticity constitutive formulation is developed and implemented in the well-known Marciniak-Kuczynski analysis to predict the formability of aluminum alloys (AA) 5754 and 3003 at elevated tem…
View article: Development Of An Elastic Functionally Graded Interphase Model For The Micromechanics Response Of Composites
Development Of An Elastic Functionally Graded Interphase Model For The Micromechanics Response Of Composites Open
A new micromechanics framework is developed for long fibre reinforced composites using a single fibre surrounded by a functionally graded interphase and matrix as a representative unit cell. The unit cell is formulated to represent any num…