Search Results - "Chou, Kevin"
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EBSD study of beam speed effects on Ti-6Al-4V alloy by powder bed electron beam additive manufacturing
Published in Journal of alloys and compounds (05-06-2018)“…Electron Beam Additive Manufacturing (EBAM) has a lot of advantages and has become an attractive manufacturing method to produce the Ti-6Al-4V alloy. In this…”
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2
Stress and deformation evaluations of scanning strategy effect in selective laser melting
Published in Additive manufacturing (01-10-2016)“…Selective laser melting (SLM) has emerged as one of the primary metal additive manufacturing technologies used for many applications in various industries such…”
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3
Phase-Field Modeling of Microstructure Evolution in Electron Beam Additive Manufacturing
Published in JOM (1989) (01-05-2015)“…In this study, the microstructure evolution in the powder-bed electron beam additive manufacturing (EBAM) process is studied using phase-field modeling. In…”
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4
Phase-field simulation of microstructure evolution of Ti–6Al–4V in electron beam additive manufacturing process
Published in Additive manufacturing (01-01-2016)“…Electron beam additive manufacturing (EBAM) is a relatively new technology to produce metallic parts in a layer by layer fashion by melting and fusing the…”
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5
Geometric consideration of support structures in part overhang fabrications by electron beam additive manufacturing
Published in Computer aided design (01-12-2015)“…Powder bed electron beam additive manufacturing (EBAM) has emerged as a potentially cost-effective process for high-value, small-batch productions for…”
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6
Entanglement of bosonic modes through an engineered exchange interaction
Published in Nature (London) (01-02-2019)“…Quantum computation presents a powerful new paradigm for information processing. A robust universal quantum computer can be realized with any well controlled…”
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A build surface study of Powder-Bed Electron Beam Additive Manufacturing by 3D thermo-fluid simulation and white-light interferometry
Published in International journal of machine tools & manufacture (01-10-2017)“…In this study, a three dimensional (3D) thermo-fluid model for the Powder Bed Electron Beam Additive Manufacturing (PB-EBAM) process was developed using ANSYS…”
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8
Deterministic teleportation of a quantum gate between two logical qubits
Published in Nature (London) (01-09-2018)“…A quantum computer has the potential to efficiently solve problems that are intractable for classical computers. However, constructing a large-scale quantum…”
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The effects of stress relieving heat treatment on the microstructure and residual stress of Inconel 718 fabricated by laser metal powder bed fusion additive manufacturing process
Published in Journal of manufacturing processes (01-12-2019)“…In this study, the microstructure and residual stress of the Inconel 718 parts, which were fabricated by laser metal powder bed fusion additive manufacturing…”
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Electron Backscatter Diffraction Analysis of Inconel 718 Parts Fabricated by Selective Laser Melting Additive Manufacturing
Published in JOM (1989) (01-02-2017)“…In this study, the crystallographic texture of an Inconel 718 part fabricated by selective laser melting was investigated. The front surface (X–Z plane)…”
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11
Review on powder-based electron beam additive manufacturing technology
Published in Manufacturing review (Ulis, France) (2014)“…This paper presents a thorough literature review of the powder-based electron beam additive manufacturing (EBAM) technology. EBAM, a relatively new additive…”
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12
Beam speed effects on Ti–6Al–4V microstructures in electron beam additive manufacturing
Published in Journal of materials research (14-09-2014)“…The effect of the beam scanning speed on part microstructures in the powder-bed electron beam additive manufacturing (EBAM) process was investigated in this…”
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13
High-Fidelity Measurement of Qubits Encoded in Multilevel Superconducting Circuits
Published in Physical review. X (02-01-2020)“…Qubit measurements are central to quantum information processing. In the field of superconducting qubits, standard readout techniques are limited not only by…”
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14
A Schrödinger cat living in two boxes
Published in Science (American Association for the Advancement of Science) (27-05-2016)“…Quantum superpositions of distinct coherent states in a single-mode harmonic oscillator, known as "cat states," have been an elegant demonstration of…”
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Review of In Situ Detection and Ex Situ Characterization of Porosity in Laser Powder Bed Fusion Metal Additive Manufacturing
Published in Metals (Basel ) (01-06-2024)“…Over the past decade, significant research has focused on detecting abnormalities in metal laser powder bed fusion (L-PBF) additive manufacturing. Effective…”
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Influence of Pre- and Post-Contouring Strategies to Downskin Sloped Surfaces in Laser Powder-Bed Fusion (L-PBF) Additive Manufacturing
Published in Materials (30-05-2024)“…Among various metal additive manufacturing (AM) technologies, L-PBF is known for fabricating intricate components. However, due to step edges and powder…”
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17
Contact-Free Support Structures for Part Overhangs in Powder-Bed Metal Additive Manufacturing
Published in Inventions (Basel) (01-03-2018)“…This study investigates the feasibility of a novel concept, contact-free support structures, for part overhangs in powder-bed metal additive manufacturing. The…”
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Residual Heat Effect on the Melt Pool Geometry during the Laser Powder Bed Fusion Process
Published in Journal of Manufacturing and Materials Processing (01-12-2022)“…The continuous back-and-forth melting of the powder bed during the laser powder bed fusion (LPBF) process leads to the development of residual heat, which…”
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19
Melt pool sensing and size analysis in laser powder-bed metal additive manufacturing
Published in Journal of manufacturing processes (01-04-2018)“…•A near-infrared thermal imager with a spectral range about 670 nm was used for radiation signal acquisitions in SLM.•For Inconel 718 powder, at 180 W laser…”
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Surface Formation of Sloping Features in Laser Powder–Bed Fusion by Multi-Track Multi-Layer Simulations
Published in Metals (Basel ) (01-05-2023)“…Laser powder–bed fusion (L-PBF) metal additive manufacturing has been widely utilized in various industries. However, large variability and inconsistent…”
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