Jules M. Dake
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View article: Grain structure evolution during heat treatment of a semisolid Al-Cu alloy studied with lab-based diffraction contrast tomography
Grain structure evolution during heat treatment of a semisolid Al-Cu alloy studied with lab-based diffraction contrast tomography Open
3D experimental data of simultaneously high temporal and spatial resolution are key to validating computational models of materials phenomena. In this study, we exploit lab-based X-ray imaging, combining absorption and diffraction contrast…
View article: Extreme Abnormal Grain Growth: Connecting Mechanisms to Microstructural Outcomes
Extreme Abnormal Grain Growth: Connecting Mechanisms to Microstructural Outcomes Open
If variety is the spice of life, then abnormal grain growth (AGG) may be the materials processing equivalent of sriracha sauce. Abnormally growing grains can be prismatic, dendritic, or practically any shape in between. When they grow at l…
View article: Experimental investigations of microstructural coarsening in 3D using X-ray microscopy
Experimental investigations of microstructural coarsening in 3D using X-ray microscopy Open
Since the Stone Age, the development of new materials with enhanced properties has driven technological advancements and continually expanded the limits of human endeavor. Over the last century, improvements in the experimental characteriz…
View article: Abnormal grain growth mediated by fractal boundary migration at the nanoscale
Abnormal grain growth mediated by fractal boundary migration at the nanoscale Open
Modern engineered materials are composed of space-filling grains or domains separated by a network of interfaces or boundaries. Such polycrystalline microstructures have the capacity to coarsen through boundary migration. Grain growth theo…
View article: DESCRIPTION OF THE 3D MORPHOLOGY OF GRAIN BOUNDARIES IN ALUMINUM ALLOYS USING TESSELLATION MODELS GENERATED BY ELLIPSOIDS
DESCRIPTION OF THE 3D MORPHOLOGY OF GRAIN BOUNDARIES IN ALUMINUM ALLOYS USING TESSELLATION MODELS GENERATED BY ELLIPSOIDS Open
Parametric tessellation models are often used to approximate complex grain morphologies of polycrystalline microstructures. A big advantage of such models is the substantial reduction in disk space required to store large, three-dimensiona…
View article: Direct observation of grain rotations during coarsening of a semisolid Al–Cu alloy
Direct observation of grain rotations during coarsening of a semisolid Al–Cu alloy Open
Significance Computational modeling of materials phenomena promises to reduce the time and cost of developing new materials and processing techniques—a goal made feasible by rapid advances in computer speed and capacity. Validation of such…