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Nonlinear Ultrasonic Techniques for In-Situ Process Monitoring of AM Components
This technology is a method to detect defect formation in additively manufactured metal parts through the building process. It will provide real-time process monitoring and process control in a non-invasive and non-destructive fashion. This method can be used with various types of manufacturing. Currently, it can be used with laser and e-beam powder...
Published: 8/1/2024
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Inventor(s): Tribikram Kundu, Umar Amjad, Krishna Muralidharan, Susana Castillo, Anna Hayes, Barrett Potter, Jr., Hamad Alnuaimi
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing, Technology Classifications > Materials > Processing
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Additive Manufacturing Using Laser Reactive Sintering of Mixtures of Metallic Powders and Sulfur
This invention is a new powder mixture of chalcophilic metals or others and sulfur for use in selective laser sintering (SLS), a form of 3D printing.
Background:
Selective laser sintering (SLS) is a 3D printing technology has typically been used with plastics such as nylon and polystyrene but can also be used with metals such as steel and titanium....
Published: 8/1/2024
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Inventor(s): Douglas Loy, Dong-Chul Pyun, Venkateswara Manga, Krishna Muralidharan, Barrett Potter, Jr.
Keywords(s):
Category(s): Technology Classifications > Materials
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Improved Fused Filament Deposition 3D Printing Using Filaments Coated With Thermoreversible Thermosets
This invention demonstrates a new polymer to coat the spool of thermoplastic filament used in fused deposition modeling (FDM) 3D printing with a thermoreversible thermoset. The goal is to provide a layer that will liquefy in the hot printer nozzle to produce a lower viscosity liquid polymer. This coats the melted filament and increases the wetting and...
Published: 8/1/2024
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Inventor(s): Douglas Loy, Piaoran Ye, Krishna Muralidharan, Barrett Potter, Jr.
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Devices & Instrumentation, Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing, Technology Classifications > Materials > Polymers
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Fullerene Assemblies with Tunable Shapes and Electrical and Ionic Conductivity for use as Battery Electrolytes and Other Applications
This technology is a self-assembling manufacturing process for post manufacture fullerene processing. This method is used to control the shape (rods or flower/fractal) and conductivity. Such materials can be used solid-state electrolytes and components of electrodes and can be doped with alkali metals and has the potential to replace Li diffusion film...
Published: 8/1/2024
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Inventor(s): Krishna Muralidharan, Srini Raghavan, Palash Gangopadhyay, Pierre Lucas
Keywords(s):
Category(s): Technology Classifications > Energy, Cleantech & Environmental > Energy Collection, Storage & Battery, Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing
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3D Filament Printing of Thermoreversible Thermoset Filaments with a Delayed Cure
Filaments made of a thermoreversible thermoset based on Diels Alder cycloadducts are used in 3D filament printing to create 3D artifacts that will irreversibly cure via reaction of reactive diene or dienophile components. This allows filaments to be made and a thermoset to be formed in the final printing.
Applications:
3D Printing, prototyping,...
Published: 8/1/2024
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Inventor(s): Douglas Loy, Krishna Muralidharan, Barrett Potter, Jr.
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing, Technology Classifications > Materials > Polymers
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3D Printing Using Peroxide Bearing Powdered Materials as Catalyst/Fillers
This invention involves the inkjet 3D printing of liquid precursors with epoxide or vinyl reactive groups into powder beds of extraterrestrial materials or simulants with catalytic peroxidizing or Lewis acidic metal sites which allows formation of thermoplastic or thermoset composites for agile manufacturing.
Applications
Allows for conversion...
Published: 8/1/2024
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Inventor(s): Douglas Loy, Krishna Muralidharan, Barrett Potter, Jr.
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing, Technology Classifications > Materials > Composites
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Substrate and Solvent Mediated Synthesis of Fullerene Self-Assemblies
Fullerene can be engineered into many different shapes and sizes. The self-assembled fullerene fabrication can lead to large structural variations depending on the methodology used in the procedure. Since Fullerene was discovered in 1985, the structural variations on fullerenes have expanded from just simple individual clusters. This technology determines...
Published: 8/1/2024
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Inventor(s): Krishna Muralidharan, Srini Raghavan, Tony Gnanaprakasa, Deepak Sridhar
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Processing, Technology Classifications > Materials > Nanomaterials
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Fullerene-Graphene Based High Efficiency Supercapacitors
This technology provides for enhancing capacitor power density, capacitive retention, and stability by using self growing nano particles on the electrodes of capacitors. Specifically, double-layer capacitance achieve electrostatic storage by separation of charge in a Helmholtz double layer at the interface between the surface of a conductive electrode...
Published: 8/1/2024
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Inventor(s): Krishna Muralidharan, Srini Raghavan
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Electronics, Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Nanomaterials
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Distributed Feedback Fiber Laser Pumped by Multimode Diode Lasers
Researchers at the University of Arizona College of Optical Sciences and Canada's Carleton University recently succeeded in fabricating high reflectivity (>99%) Fiber Bragg Gratings (FBGs) into phosphate glass fibers using UV light and a phase mask technique. With this new manufacturing technique, fiber lasers can be created as single monolithic...
Published: 4/3/2023
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Inventor(s): Nasser Peyghambarian, Axel Schülzgen, Li Li, Jacques Albert
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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All-Fiber Multicore Fiber Laser Devices
Researchers at the University of Arizona have developed a compact, power-scalable, alignment-free fiber laser that takes a new approach to stabilizing phase-locked operation of multi-core fiber lasers by completely removing all free space optical components. This high-brightness, all-fiber laser package uses passive optical fiber spliced at both ends...
Published: 4/3/2023
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Inventor(s): Nasser Peyghambarian, Axel Schülzgen, Li Li
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Fiber Optics, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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