Search Results - "Levine, Lyle E"

Application of finite element, phase-field, and CALPHAD-based methods to additive manufacturing of Ni-based superalloys by Keller, Trevor, Lindwall, Greta, Ghosh, Supriyo, Ma, Li, Lane, Brandon M., Zhang, Fan, Kattner, Ursula R., Lass, Eric A., Heigel, Jarred C., Idell, Yaakov, Williams, Maureen E., Allen, Andrew J., Guyer, Jonathan E., Levine, Lyle E.

“…Numerical simulations are used in this work to investigate aspects of microstructure and microsegregation during rapid solidification of a Ni-based superalloy…”
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Effect of heat treatment on the microstructural evolution of a nickel-based superalloy additive-manufactured by laser powder bed fusion by Zhang, Fan, Levine, Lyle E., Allen, Andrew J., Stoudt, Mark R., Lindwall, Greta, Lass, Eric A., Williams, Maureen E., Idell, Yaakov, Campbell, Carelyn E.

“…Elemental segregation is a ubiquitous phenomenon in additive-manufactured (AM) parts due to solute rejection and redistribution during the solidification…”
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Homogenization kinetics of a nickel-based superalloy produced by powder bed fusion laser sintering by Zhang, Fan, Levine, Lyle E., Allen, Andrew J., Campbell, Carelyn E., Lass, Eric A., Cheruvathur, Sudha, Stoudt, Mark R., Williams, Maureen E., Idell, Yaakov

“…Additively manufactured (AM) metal components often exhibit fine dendritic microstructures and elemental segregation due to the initial rapid solidification…”
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Ultra-small-angle X-ray scattering at the Advanced Photon Source by Ilavsky, Jan, Jemian, Pete R., Allen, Andrew J., Zhang, Fan, Levine, Lyle E., Long, Gabrielle G.

“…The design and operation of a versatile ultra‐small‐angle X‐ray scattering (USAXS) instrument at the Advanced Photon Source (APS) at Argonne National…”
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Synchrotron X-ray microbeam diffraction measurements of full elastic long range internal strain and stress tensors in commercial-purity aluminum processed by multiple passes of equal-channel angular pressing by Phan, Thien Q., Levine, Lyle E., Lee, I-Fang, Xu, Ruqing, Tischler, Jonathan Z., Huang, Yi, Langdon, Terence G., Kassner, Michael E.

“…Synchrotron X-ray microbeam diffraction was used to measure the full elastic long range internal strain and stress tensors of low dislocation density regions…”
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X-ray microbeam measurements of individual dislocation cell elastic strains in deformed single-crystal copper by Levine, Lyle E, Larson, Bennett C, Yang, Wenge, Kassner, Michael E, Tischler, Jonathan Z, Delos-Reyes, Michael A, Fields, Richard J, Liu, Wenjun

“…The distribution of elastic strains (and thus stresses) at the submicrometre length scale within deformed metal single crystals has remarkably broad…”
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Full elastic strain and stress tensor measurements from individual dislocation cells in copper through-Si vias by Levine, Lyle E, Okoro, Chukwudi, Xu, Ruqing

“…Nondestructive measurements of the full elastic strain and stress tensors from individual dislocation cells distributed along the full extent of a 50 µm-long…”
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Structural and dynamical studies of acid-mediated conversion in amorphous-calcium-phosphate based dental composites by Zhang, Fan, Allen, Andrew J, Levine, Lyle E, Vaudin, Mark D, Skrtic, Drago, Antonucci, Joseph M, Hoffman, Kathleen M, Giuseppetti, Anthony A, Ilavsky, Jan

“…Abstract Objective To investigate the complex structural and dynamical conversion process of the amorphous-calcium-phosphate (ACP)-to-apatite transition in ACP…”
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Solid-State Transformation of an Additive Manufactured Inconel 625 Alloy at 700 °C by Zhang, Fan, Ilavsky, Jan, Lindwall, Greta, Stoudt, Mark R., Levine, Lyle E., Allen, Andrew J.

“…Inconel 625, a nickel-based superalloy, has drawn much attention in the emerging field of additive manufacturing (AM) because of its excellent weldability and…”
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Development of combined microstructure and structure characterization facility for in situ and operando studies at the Advanced Photon Source by Ilavsky, Jan, Zhang, Fan, Andrews, Ross N., Kuzmenko, Ivan, Jemian, Pete R., Levine, Lyle E., Allen, Andrew J.

“…Following many years of evolutionary development, first at the National Synchrotron Light Source, Brookhaven National Laboratory, and then at the Advanced…”
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Single-Track Melt-Pool Measurements and Microstructures in Inconel 625 by Ghosh, Supriyo, Ma, Li, Levine, Lyle E., Ricker, Richard E., Stoudt, Mark R., Heigel, Jarred C., Guyer, Jonathan E.

“…We use single-track laser melting experiments and simulations on Inconel 625 to estimate the dimensions and microstructure of the resulting melt pool. Our work…”
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Formation of the Ni3Nb δ-Phase in Stress-Relieved Inconel 625 Produced via Laser Powder-Bed Fusion Additive Manufacturing by Lass, Eric A., Stoudt, Mark R., Williams, Maureen E., Katz, Michael B., Levine, Lyle E., Phan, Thien Q., Gnaeupel-Herold, Thomas H., Ng, Daniel S.

“…The microstructural evolution of laser powder-bed additively manufactured Inconel 625 during a post-build stress-relief anneal of 1 hour at 1143 K (870 °C) is…”
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Ultra-small-angle X-ray scattering-X-ray photon correlation spectroscopy studies of incipient structural changes in amorphous calcium phosphate-based dental composites by Zhang, Fan, Allen, Andrew J., Levine, Lyle E., Espinal, Laura, Antonucci, Joseph M., Skrtic, Drago, O'Donnell, Justin N. R., Ilavsky, Jan

“…The local structural changes in amorphous calcium phosphate (ACP)‐based dental composites were studied under isothermal conditions using both static, bulk…”
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Formation of Nb-rich droplets in laser deposited Ni-matrix microstructures by Ghosh, Supriyo, Stoudt, Mark R., Levine, Lyle E., Guyer, Jonathan E.

“…Ni-rich γ cells and Nb-rich eutectic droplets that form during laser power bed fusion solidification of Ni-Nb alloys are studied using experiments and…”
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In situ structural characterization of ageing kinetics in aluminum alloy 2024 across angstrom-to-micrometer length scales by Zhang, Fan, Levine, Lyle E., Allen, Andrew J., Campbell, Carelyn E., Creuziger, Adam A., Kazantseva, Nataliya, Ilavsky, Jan

“…The precipitate structure and precipitation kinetics in an AlCuMg alloy (AA2024) aged at 190 °C, 208 °C, and 226 °C have been studied using ex situ…”
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DFT Investigation of Early Stages of Nanoindentation in Ni by Tavazza, Francesca, Levine, Lyle E

“…Density functional theory simulations of diamond tips indenting Ni surfaces are used to study the early stages of nanoindentation. Numerous complex…”
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Nondestructive Measurement of the Residual Stresses in Copper Through-Silicon Vias Using Synchrotron-Based Microbeam X-Ray Diffraction by Okoro, Chukwudi, Levine, Lyle E., Ruqing Xu, Hummler, Klaus, Obeng, Yaw S.

“…In this paper, we report a new method for achieving depth resolved determination of the full stress tensor in buried Cu through-silicon vias (TSVs), using a…”
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In Situ Measurements of Melt-Pool Length and Cooling Rate During 3D Builds of the Metal AM-Bench Artifacts by Heigel, Jarred C., Lane, Brandon M., Levine, Lyle E.

“…This work provides results and analysis of the in situ thermal measurement acquired during the 3D builds performed for the 2018 additive manufacturing…”
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Experimental measurement of the effect of copper through-silicon via diameter on stress buildup using synchrotron-based X-ray source by Okoro, Chukwudi, Levine, Lyle E, Xu, Ruqing, Obeng, Yaw

“…In this work, the effect of copper through-silicon via (TSV) interconnect diameter on stress buildup in Cu TSVs was experimentally determined using a…”
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Structure and Dynamics of Bimodal Colloidal Dispersions in a Low-Molecular-Weight Polymer Solution by Zhang, Fan, Allen, Andrew J, Levine, Lyle E, Tsai, De-Hao, Ilavsky, Jan

“…We present an experimental study of the structural and dynamical properties of bimodal, micrometer-sized colloidal dispersions (size ratio ≈ 2) in an aqueous…”
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