Search Results - "Matthews, Manyalibo"

Metal vapor micro-jet controls material redistribution in laser powder bed fusion additive manufacturing by Ly, Sonny, Rubenchik, Alexander M., Khairallah, Saad A., Guss, Gabe, Matthews, Manyalibo J.

“…The results of detailed experiments and finite element modeling of metal micro-droplet motion associated with metal additive manufacturing (AM) processes are…”
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Gaussian process-based surrogate modeling framework for process planning in laser powder-bed fusion additive manufacturing of 316L stainless steel by Tapia, Gustavo, Khairallah, Saad, Matthews, Manyalibo, King, Wayne E., Elwany, Alaa

“…Laser Powder-Bed Fusion (L-PBF) metal-based additive manufacturing (AM) is complex and not fully understood. Successful processing for one material, might not…”
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Denudation of metal powder layers in laser powder bed fusion processes by Matthews, Manyalibo J., Guss, Gabe, Khairallah, Saad A., Rubenchik, Alexander M., Depond, Philip J., King, Wayne E.

“…Understanding laser interaction with metal powder beds is critical in predicting optimum processing regimes in laser powder bed fusion additive manufacturing…”
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Dynamics of pore formation during laser powder bed fusion additive manufacturing by Martin, Aiden A., Calta, Nicholas P., Khairallah, Saad A., Wang, Jenny, Depond, Phillip J., Fong, Anthony Y., Thampy, Vivek, Guss, Gabe M., Kiss, Andrew M., Stone, Kevin H., Tassone, Christopher J., Nelson Weker, Johanna, Toney, Michael F., van Buuren, Tony, Matthews, Manyalibo J.

“…Laser powder bed fusion additive manufacturing is an emerging 3D printing technique for the fabrication of advanced metal components. Widespread adoption of it…”
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Additively manufactured hierarchical stainless steels with high strength and ductility by Wang, Y. Morris, Voisin, Thomas, McKeown, Joseph T., Ye, Jianchao, Calta, Nicholas P., Li, Zan, Zeng, Zhi, Zhang, Yin, Chen, Wen, Roehling, Tien Tran, Ott, Ryan T., Santala, Melissa K., Depond, Philip J., Matthews, Manyalibo J., Hamza, Alex V., Zhu, Ting

“…Many traditional approaches for strengthening steels typically come at the expense of useful ductility, a dilemma known as strength–ductility trade-off. New…”
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Energy Coupling Mechanisms and Scaling Behavior Associated with Laser Powder Bed Fusion Additive Manufacturing by Ye, Jianchao, Khairallah, Saad A., Rubenchik, Alexander M., Crumb, Michael F., Guss, Gabe, Belak, Jim, Matthews, Manyalibo J.

“…In situ optical absorptivity measurements are carried out to clarify the physics of the laser‐material interactions involved and to validate both finite…”
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Controlling interdependent meso-nanosecond dynamics and defect generation in metal 3D printing by Khairallah, Saad A, Martin, Aiden A, Lee, Jonathan R I, Guss, Gabe, Calta, Nicholas P, Hammons, Joshua A, Nielsen, Michael H, Chaput, Kevin, Schwalbach, Edwin, Shah, Megna N, Chapman, Michael G, Willey, Trevor M, Rubenchik, Alexander M, Anderson, Andrew T, Wang, Y Morris, Matthews, Manyalibo J, King, Wayne E

“…State-of-the-art metal 3D printers promise to revolutionize manufacturing, yet they have not reached optimal operational reliability. The challenge is to…”
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Integrated Simulation Framework for Additively Manufactured Ti-6Al-4V: Melt Pool Dynamics, Microstructure, Solid-State Phase Transformation, and Microelastic Response by Shi, Rongpei, Khairallah, Saad, Heo, Tae Wook, Rolchigo, Matthew, McKeown, Joseph T., Matthews, Manyalibo J.

“…To accelerate the establishment of fundamental understanding of the additive manufacturing (AM) process and its influence on microstructural evolution and…”
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Light scattering from laser induced pit ensembles on high power laser optics by Feigenbaum, Eyal, Elhadj, Selim, Matthews, Manyalibo J

“…Far-field light scattering characteristics from randomly arranged shallow Gaussian-like shaped laser induced pits, found on optics exposed to high energy laser…”
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Analysis of laser-induced microcracking in tungsten under additive manufacturing conditions: Experiment and simulation by Vrancken, Bey, Ganeriwala, Rishi K., Matthews, Manyalibo J.

“…Tungsten is receiving increasing interest as a plasma facing material in the ITER fusion reactor, collimators, and other structural, high temperature…”
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Formation of Nano-Volcano Structures during Atmospheric, Laser-Driven Chemical Vapor Deposition by Lange, Andrew P, Elhadj, Selim, Matthews, Manyalibo J

“…Laser-driven chemical vapor deposition (LCVD) is an attractive process for direct write additive manufacturing of both metals and ceramics. While LCVD offers…”
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Determining processing behaviour of pure Cu in laser powder bed fusion using direct micro-calorimetry by Gargalis, Leonidas, Ye, Jianchao, Strantza, Maria, Rubenchik, Alexander, Murray, James W., Clare, Adam T., Ashcroft, Ian A., Hague, Richard, Matthews, Manyalibo J.

“…Copper is challenging to process by laser powder bed fusion (LPBF) given its high reflectivity at common infrared laser diode wavelengths and high thermal…”
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Safe, long range, inexpensive and rapidly refuelable hydrogen vehicles with cryogenic pressure vessels by Aceves, Salvador M., Petitpas, Guillaume, Espinosa-Loza, Francisco, Matthews, Manyalibo J., Ledesma-Orozco, Elias

“…Hydrogen storage is often cited as the greatest obstacle to achieving a hydrogen economy free of environmental pollution and dependence on foreign oil. A…”
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A Denoising Autoencoder for Improved Kikuchi Pattern Quality and Indexing in Electron Backscatter Diffraction by Andrews, Caleb E., Strantza, Maria, Calta, Nicholas P., Matthews, Manyalibo J., Taheri, Mitra L.

“…•A machine learning autoencoder has shown utility in denoising electron backscatter diffraction patterns.•Usage of the denoised patterns results in gains to…”
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Damage on fused silica optics caused by laser ablation of surface-bound microparticles by Raman, Rajesh N, Demos, Stavros G, Shen, Nan, Feigenbaum, Eyal, Negres, Raluca A, Elhadj, Selim, Rubenchik, Alexander M, Matthews, Manyalibo J

“…High peak power laser systems are vulnerable to performance degradation due to particulate contamination on optical surfaces. In this work, we show using model…”
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Subsurface Cooling Rates and Microstructural Response during Laser Based Metal Additive Manufacturing by Thampy, Vivek, Fong, Anthony Y., Calta, Nicholas P., Wang, Jenny, Martin, Aiden A., Depond, Philip J., Kiss, Andrew M., Guss, Gabe, Xing, Qingfeng, Ott, Ryan T., van Buuren, Anthony, Toney, Michael F., Weker, Johanna Nelson, Kramer, Matthew J., Matthews, Manyalibo J., Tassone, Christopher J., Stone, Kevin H.

“…Laser powder bed fusion (LPBF) is a method of additive manufacturing characterized by the rapid scanning of a high powered laser over a thin bed of metallic…”
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Para-H2 to ortho-H2 conversion in a full-scale automotive cryogenic pressurized hydrogen storage up to 345 bar by PETITPAS, Guillaume, ACEVES, Salvador M, MATTHEWS, Manyalibo J, SMITH, James R

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Laser‐Induced Keyhole Defect Dynamics during Metal Additive Manufacturing by Kiss, Andrew M., Fong, Anthony Y., Calta, Nicholas P., Thampy, Vivek, Martin, Aiden A., Depond, Philip J., Wang, Jenny, Matthews, Manyalibo J., Ott, Ryan T., Tassone, Christopher J., Stone, Kevin H., Kramer, Matthew J., van Buuren, Anthony, Toney, Michael F., Nelson Weker, Johanna

“…Laser powder bed fusion (LPBF) metal additive manufacturing provides distinct advantages for aerospace and biomedical applications. However, widespread…”
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Sensor fusion of pyrometry and acoustic measurements for localized keyhole pore identification in laser powder bed fusion by Tempelman, Joshua R., Wachtor, Adam J., Flynn, Eric B., Depond, Phillip J., Forien, Jean-Baptiste, Guss, Gabe M., Calta, Nicholas P., Matthews, Manyalibo J.

“…In-situ process monitoring as an aid to part qualification for laser powder-bed fusion (L-PBF) technology is a topic of increasing interest to the additive…”
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Mechanisms governing the interaction of metallic particles with nanosecond laser pulses by Demos, Stavros G, Negres, Raluca A, Raman, Rajesh N, Shen, Nan, Rubenchik, Alexander M, Matthews, Manyalibo J

“…The interaction of nanosecond laser pulses at 1064- and 355-nm with micro-scale, nominally spherical metallic particles is investigated in order to elucidate…”
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