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Hrl Laboratories Llc patents


Recent patent applications related to Hrl Laboratories Llc. Hrl Laboratories Llc is listed as an Agent/Assignee. Note: Hrl Laboratories Llc may have other listings under different names/spellings. We're not affiliated with Hrl Laboratories Llc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Hrl Laboratories Llc-related inventors


Nanoparticle composite welding filler materials, and methods for producing the same

A universal approach is described to produce welding filler materials with enhanced grain refining, for making welded objects with hot-crack resistance. Some variations provide a welding filler material comprising a functionalized metal-containing powder, wherein the functionalized metal-containing powder comprises metal or metal alloy particles and a plurality of nanoparticles disposed on surfaces of the metal or metal alloy particles, and wherein the nanoparticles are consolidated in a three-dimensional architecture throughout the welding filler material. ... Hrl Laboratories Llc

Additive manufacturing with nanofunctionalized precursors

Some variations provide a process for additive manufacturing of a nanofunctionalized metal alloy, comprising: providing a nanofunctionalized metal precursor containing metals and grain-refining nanoparticles; exposing a first amount of the nanofunctionalized metal precursor to an energy source for melting the precursor, thereby generating a first melt layer; solidifying the first melt layer, thereby generating a first solid layer; and repeating many times to generate a plurality of solid layers in an additive-manufacturing build direction. The additively manufactured, nanofunctionalized metal alloy has a microstructure with equiaxed grains. ... Hrl Laboratories Llc

Methods for nanofunctionalization of powders, and nanofunctionalized materials produced therefrom

Some variations provide a method of making a nanofunctionalized metal powder, comprising: providing metal particles containing metals selected from aluminum, iron, nickel, copper, titanium, magnesium, zinc, silicon, lithium, silver, chromium, manganese, vanadium, bismuth, gallium, or lead; providing nanoparticles selected from zirconium, tantalum, niobium, or titanium; disposing the nanoparticles onto surfaces of the metal particles, in the presence of mixing media, thereby generating nanofunctionalized metal particles; and isolating and recovering the nanofunctionalized metal particles as a nanofunctionalized metal powder. Some variations provide a composition comprising a nanofunctionalized metal powder, the composition comprising metal particles and nanoparticles containing one or more elements selected from the group consisting of zirconium, tantalum, niobium, titanium, and oxides, nitrides, hydrides, carbides, or borides thereof, or combinations of the foregoing.. ... Hrl Laboratories Llc

Low-voltage threshold switch devices with current-controlled negative differential resistance based on electroformed vanadium oxide layer

An electronic device comprising a substrate having a surface; a first electrode wire extending on said surface along a first direction; a vanadium pentoxide layer extending on and contacting at least a portion of said first electrode; a second electrode wire extending over said surface along a second direction, such that the second electrode wire extends on and contacts at least a portion of the vanadium pentoxide layer above the first electrode wire at a crossing point; wherein a region of vanadium dioxide is included in said vanadium pentoxide layer between the first and second electrodes at said crossing point.. . ... Hrl Laboratories Llc

Scalable and efficient episodic memory in cognitive processing for automated systems

Described is a system for an episodic memory used by an automated platform. The system acquires data from an episodic memory that comprises an event database, an event-sequence graph, and an episode list. ... Hrl Laboratories Llc

Dual frequency fmcw lidar and method

A lidar including a laser having a first frequency-modulated laser radiation and a second frequency-modulated laser radiation, a first waveguide coupled to the laser, wherein the first frequency-modulated laser radiation and the second frequency-modulated laser radiation are transmitted by the laser into the first waveguide, a second waveguide, a filter coupled between the first waveguide and the second waveguide, wherein the filter is configured to couple and pass the first frequency-modulated laser radiation through the filter to the second waveguide, and is configured to not couple or pass the second frequency-modulated laser radiation through the filter to the second waveguide, and a photodetector coupled to the second waveguide.. . ... Hrl Laboratories Llc

Multiphase waterborne coatings and methods for fabricating the same

This invention provides multifunctional coatings containing multiple components that usually do not associate with one another, from deposition of waterborne precursor compositions. Some variations provide a multiphase waterborne composition comprising a first-material phase containing a first material and a second-material phase containing a second material that is chemically different than, but covalently bonded to, the first material, wherein the first material and/or the second material contains ionic species. ... Hrl Laboratories Llc

Antenna loaded with electromechanical resonators

An antenna system having at least one active element with a first end thereof for connection to a radio receiver, transmitter or transceiver and at least one electromechanical resonator connected in series with (i) at least portion of said at least one active element and at least another portion of said at least one active element or (ii) said at least one active element and said radio receiver, transmitter or transceiver. The at least one active element exhibits capacitive reactance at an intended frequency of operation and the at least one electromechanical resonator exhibits inductive reactance at the intended frequency of operation, the inductive reactance of the at least one electromechanical resonator offsetting or partially offsetting the capacitive reactance of the at least one antenna element at the intended frequency of operation.. ... Hrl Laboratories Llc

Zero-shot learning using multi-scale manifold alignment

Described is a system for recognition of unseen and untrained patterns. A graph is generated based on visual features from input data, the input data including labeled instances and unseen instances. ... Hrl Laboratories Llc

Adjustable negative stiffness mechanisms

An adjustable negative stiffness mechanism is disclosed. The adjustable negative stiffness mechanism includes a central shaft, an outer annular member extending around the central shaft, at least two negative stiffness elements extending between the central shaft and the annular member, and an actuator coupled to the negative stiffness elements. ... Hrl Laboratories Llc

Adjustable negative stiffness systems

A variable stiffness structure includes a first negative stiffness element configured to buckle in a first direction, a second negative stiffness element configured to buckle in a second direction opposite to the first direction, and an actuator operatively coupled to ends of the first and second negative stiffness elements to control a stiffness of the variable stiffness structure. The first negative stiffness element and the second negative stiffness element are mode-3 buckling beams.. ... Hrl Laboratories Llc

Optical heterodyne detection of air pressure, temperature, and wind velocity and method

An apparatus for measuring at least one of pressure, temperature, and wind velocity of a volume of air includes a laser having a first frequency and a second frequency of radiation, a first waveguide coupled to the laser, a second waveguide, a narrowband filter coupled between the first waveguide and the second waveguide, wherein the narrowband filter is configured to redirect the first frequency to the second waveguide, and a photodetector coupled to the second waveguide, wherein the first frequency is transmitted by the first waveguide to the volume of air, scattered light is received from the volume of air, and the photodetector mixes the first frequency on the second waveguide with the received scattered light.. . ... Hrl Laboratories Llc

Transcranial current stimulation system and virtual reality for treatment of ptsd or fears

Described is a system for treating traumatic memories. During a wake stage, a virtual environment is displayed to a subject. ... Hrl Laboratories Llc

System for incremental trajectory estimation based on real time inertial sensing

Described is a system for incremental trajectory estimation of an implement. During operation, the system determines a time span of each stationary period of the implement based on accelerometer and gyroscopic data. ... Hrl Laboratories Llc

05/31/18 / #20180148585

Formulations with active functional additives for 3d printing of preceramic polymers, and methods of 3d-printing the formulations

This invention provides resin formulations which may be used for 3d printing and pyrolyzing to produce a ceramic matrix composite. The resin formulations contain a solid-phase filler, to provide high thermal stability and mechanical strength (e.g., fracture toughness) in the final ceramic material. ... Hrl Laboratories Llc

05/31/18 / #20180148380

Monomer formulations and methods for 3d printing of preceramic polymers

This invention provides resin formulations which may be used for 3d printing and pyrolyzing to produce a ceramic matrix composite. The resin formulations contain a solid-phase filler, to provide high thermal stability and mechanical strength (e.g., fracture toughness) in the final ceramic material. ... Hrl Laboratories Llc

05/31/18 / #20180148379

Formulations and methods for 3d printing of ceramic matrix composites

This invention provides resin formulations which may be used for 3d printing and pyrolyzing to produce a ceramic matrix composite. The resin formulations contain a solid-phase filler, to provide high thermal stability and mechanical strength (e.g., fracture toughness) in the final ceramic material. ... Hrl Laboratories Llc

05/31/18 / #20180146916

Neural model-based controller

Described is a system for memory improvement intervention. Based on both real-time eeg data and a neural model, the system simulates replay of a person's specific memory during a sleep state. ... Hrl Laboratories Llc

05/17/18 / #20180133790

Master alloy metal matrix nanocomposites, and methods for producing the same

Some variations provide a metal matrix nanocomposite composition comprising metal-containing microparticles and nanoparticles, wherein the nanoparticles are chemically and/or physically disposed on surfaces of the microparticles, and wherein the nanoparticles are consolidated in a three-dimensional architecture throughout the composition. The composition may serve as an ingot for producing a metal matrix nanocomposite. ... Hrl Laboratories Llc

05/17/18 / #20180133789

Materials and methods for producing metal nanocomposites, and metal nanocomposites obtained therefrom

Some variations provide a metal matrix nanocomposite composition comprising metal-containing microparticles and nanoparticles, wherein the nanoparticles are chemically and/or physically disposed on surfaces of the microparticles, and wherein the nanoparticles are consolidated in a three-dimensional architecture throughout the composition. The composition may serve as an ingot for producing a metal matrix nanocomposite. ... Hrl Laboratories Llc

04/05/18 / #20180097081

Doped gate dielectric materials

A field effect transistor having at least a gate, source, and drain electrodes and a semiconductor channel for controlling transport of charge carriers between the source and drain electrodes, the gate being insulated from the channel by an dielectric, at least a portion of the dielectric disposed between the gate electrode and the semiconductor channel being doped or imbued with the an element which if doped or imbued into a semiconductor material would cause the semiconductor to be p-type. The p-type element used to dope or imbue the gate dielectric is preferably mg.. ... Hrl Laboratories Llc

03/29/18 / #20180089558

Signal removal to examine a spectrum of another signal

A method for removing an extracted rf signal to examine a spectrum of at least one other rf signal includes receiving a mixture signal by an adc. The mixture signal includes a plurality of separate signals from different signal sources. ... Hrl Laboratories Llc

03/22/18 / #20180080521

Hingeless, large-throw negative stiffness structure

A negative stiffness structure for vibration isolation, shock mitigation, and/or signal processing includes a flexible tensile member and a curved compressive member. A first end of the tensile member is attached to a first structure. ... Hrl Laboratories Llc

03/22/18 / #20180080310

Opportunistic sensor fusion algorithm for autonomous guidance while drilling

Described is a system for estimating a trajectory of a borehole. The system processes signals of sensor streams obtained from an inertial sensor system. ... Hrl Laboratories Llc

03/15/18 / #20180076835

Systems and methods for parallelizing and pipelining a tunable blind source separation filter

A method of processing a plurality of time-varying signals received at a sensor communicatively coupled to a signal data processor to identify at least one parameter of at least one of the plurality of time-varying signals is provided. The method includes receiving, at a plurality of blind source separation (bss) modules of the signal data processor, signals derived from the plurality of time-varying signals, each bss module of the plurality of bss modules including a filtering subsystem having a pipelined architecture and a parallelized architecture. ... Hrl Laboratories Llc

03/15/18 / #20180076795

Cognitive signal processor for simultaneous denoising and blind source separation

Described is a cognitive signal processor for signal denoising and blind source separation. During operation, the cognitive signal processor receives a mixture signal that comprises a plurality of source signals. ... Hrl Laboratories Llc

03/15/18 / #20180074171

Systems and methods for pulse descriptor word generation using blind source separation

A method for generating pulse descriptor words (pdws) including frequency and/or bandwidth data from time-varying signals received by a sensor includes filtering, at a plurality of blind source separation (bss) modules, signals derived from the time-varying signals, each bss module including a filtering subsystem having a plurality of filter modules. Each filter module has a frequency filter coefficient (α) and is parameterized by a center frequency (f). ... Hrl Laboratories Llc

03/08/18 / #20180068581

Closed-loop intervention control system

Described is a closed-loop intervention control system for memory consolidation in a subject. During operation, the system simulates memory changes of a first memory in a subject during waking encoding of the memory, and then while the subject is sleeping and coupled to an intervention system. ... Hrl Laboratories Llc

03/08/18 / #20180066722

Buckling column load switch spring

A nonlinear mechanical element including a buckling column and hard stops. In one embodiment when the nonlinear mechanical element is subjected to an increasing compressive load, the buckling column buckles at a critical load, resulting in reduced stiffness past the critical load. ... Hrl Laboratories Llc

03/01/18 / #20180058531

Energy absorbing truss structures for mitigation of injuries from blasts and impacts

Architected materials with superior energy absorption properties when loaded in compression. In several embodiments such materials are formed from micro-truss structures composed of interpenetrating tubes in a volume between a first surface and a second surface. ... Hrl Laboratories Llc

02/08/18 / #20180037746

Coatings combining oil-absorbing and oil-repelling components for increased smudge resistance

This disclosure provides coatings that eliminate the problem of persistent oil or grease smudges deposited on transparent coatings. Some variations provide an oil-smudge-resistant material comprising discrete inclusions dispersed within a continuous matrix, wherein one of the discrete inclusions and the continuous matrix is an oleophobic material, and the other is an oleophilic material. ... Hrl Laboratories Llc

02/01/18 / #20180030329

Bugphobic and icephobic compositions with liquid additives

Some variations provide a composition comprising: a first solid material and a second solid material that are chemically distinct and microphase-separated; and at least one liquid selectively absorbed into either of the first solid material or the second solid material. The first and second solid materials are preferably present as phase-separated regions of a copolymer, such as in a segmented copolymer (e.g., a urethane-urea copolymer). ... Hrl Laboratories Llc

01/18/18 / #20180016383

Transparent anti-icing coatings

Transparent, impact-resistant, anti-icing coatings are disclosed. In some variations, a transparent anti-icing coating comprises: a continuous matrix of a hardened material; asymmetric templates that inhibit wetting of water, wherein the asymmetric templates have a length scale from about 10-300 nanometers; porous voids surrounding the asymmetric templates, wherein the porous voids have a length scale from about 15-500 nanometers; and nanoparticles that inhibit heterogeneous nucleation of water, wherein the nanoparticles have an average size from about 5-50 nanometers. ... Hrl Laboratories Llc

01/04/18 / #20180005108

Neural integrated circuit with biological behaviors

A circuit for emulating the behavior of biological neural circuits, the circuit including a plurality of nodes wherein each node comprises a neuron circuit, a time multiplexed synapse circuit coupled to an input of the neuron circuit, a time multiplexed short term plasticity (stp) circuit coupled to an input of the node and to the synapse circuit, a time multiplexed spike timing dependent plasticity (stdp) circuit coupled to the input of the node and to the synapse circuit, an output of the node coupled to the neuron circuit; and an interconnect fabric coupled between the plurality of nodes for providing coupling from the output of any node of the plurality of nodes to any input of any other node of the plurality of nodes.. . ... Hrl Laboratories Llc

10/26/17 / #20170310772

Inferring the location of users in online social media platforms using social network analysis

Described is a system for inferring the location of users in online social media platforms using social network analysis. A social network is first extracted from data from at least one social media platform. ... Hrl Laboratories Llc

10/26/17 / #20170308678

Disease prediction system using open source data

Described is a disease prediction system using open source data. The system includes a preprocessing module, a learning module, and a prediction module. ... Hrl Laboratories Llc

10/26/17 / #20170308505

Predicting system trajectories toward critical transitions

Described is a system for predicting system trajectories toward critical transitions. The system transforms a set of multivariate time series of observables of a complex system into a set of symbolic multivariate time series. ... Hrl Laboratories Llc

10/26/17 / #20170307040

Microlattice damping material and method for repeatable energy absorption

Described is a micro-lattice damping material and a method for repeatable energy absorption. The micro-lattice damping material is a cellular material formed of a three-dimensional interconnected network of hollow tubes. ... Hrl Laboratories Llc

10/26/17 / #20170304901

Apparatus for making nanoparticles and nanoparticle suspensions

A wire explosion assembly configured to form nanoparticles by exploding at least a segment of an electrically conductive wire. The wire explosion assembly includes a spool supporting the electrically conductive wire, a vessel defining a wire explosion chamber, means in the wire explosion chamber for pulling the electrically conductive wire off of the spool and applying tension on the segment of the electrically conductive wire, and a power source for delivering an electrical current to the segment of the electrically conductive wire. ... Hrl Laboratories Llc

10/26/17 / #20170303849

System and method for assistive gait intervention and fall prevention

Described is a system for system for gait intervention and fall prevention. The system is incorporated into a body suit having a plurality of distributed sensors and a vestibulo-muscular biostim array. ... Hrl Laboratories Llc

10/12/17 / #20170292840

Gyromagnetic geopositioning system

A geopositioning system. The geopositioning system includes an accelerometer including three sensing axes, a gyroscope including three sensing axes, and a magnetometer including three sensing axes, and a processing circuit. ... Hrl Laboratories Llc

09/28/17 / #20170274619

Architected materials for enhanced energy absorption

A three-dimensional lattice architecture with a thickness hierarchy includes a first surface and a second surface separated from each other with a distance therebetween defining a thickness of the three-dimensional lattice architecture; a plurality of angled struts extending along a plurality of directions between the first surface and the second surface; a plurality of nodes connecting the plurality of angled struts with one another forming a plurality of unit cells. At least a portion of the plurality of angled struts are internally terminated along the thickness direction of the lattice structure and providing a plurality of internal degrees of freedom towards the first or second surface of the lattice architecture.. ... Hrl Laboratories Llc

09/21/17 / #20170267871

Compositions and methods for fabricating durable, low-ice-adhesion coatings

This invention provides durable, low-ice-adhesion coatings with excellent performance in terms of ice-adhesion reduction. Some variations provide a low-ice-adhesion coating comprising a microstructure with a first-material phase and a second-material phase that are microphase-separated on an average length scale of phase inhomogeneity from 1 micron to 100 microns. ... Hrl Laboratories Llc

09/14/17 / #20170263769

Iii-nitride transistor with enhanced doping in base layer

A vertical trench mosfet comprising: a n-doped substrate of a iii-n material; and an epitaxial layer of the iii-n material grown on a top surface of the substrate, a n-doped drift region being formed in said epitaxial layer; a p-doped base layer of said iii-n material, formed on top of at least a portion of the drift region; a n-doped source region of said iii-n material; formed on at least a portion of the base layer; and a gate trench having at least one vertical wall extending along at least a portion of the source region and at least a portion of the base layer; wherein at least a portion of the p-doped base layer along the gate trench is a layer of said p-doped iii-n material that additionally comprises a percentage of aluminum.. . ... Hrl Laboratories Llc

07/20/17 / #20170204227

Resin formulations for polymer-derived ceramic materials

This disclosure enables direct 3d printing of preceramic polymers, which can be converted to fully dense ceramics. Some variations provide a preceramic resin formulation comprising a molecule with two or more c═x double bonds or c≡x triple bonds, wherein x is selected from c, s, n, or o, and wherein the molecule further comprises at least one non-carbon atom selected from si, b, al, ti, zn, p, ge, s, n, or o; a photoinitiator; a free-radical inhibitor; and a 3d-printing resolution agent. ... Hrl Laboratories Llc

06/22/17 / #20170174911

Anti-fouling coatings fabricated from polymers containing ionic species

An anti-fouling coating is provided, containing a continuous matrix comprising a first component; a plurality of inclusions comprising a second component, wherein the first component is a low-surface-energy polymer having a surface energy, and the second component is a hygroscopic material containing one or more ionic species. The low-surface-energy polymer and the hygroscopic material are chemically connected ionically or covalently, such as in a segmented copolymer composition comprising fluoropolymer soft segments and ionic species contained within the soft segments. ... Hrl Laboratories Llc

06/22/17 / #20170174910

Reversible, chemically or environmentally responsive polymers, and coatings containing such polymers

We have demonstrated reversibly reducing metal-ion crosslinkages in polymer systems, by harnessing light, creating a dynamic and reversible bond. The reduction induces chemical and physical changes in the polymer materials. ... Hrl Laboratories Llc

04/13/17 / #20170104477

Gan-on-sapphire monolithically integrated power converter

A half bridge circuit includes a sapphire substrate, a gan upper switch on the sapphire substrate, a gan lower switch on the sapphire substrate and coupled to the gan upper switch, a first conductor coupled to the upper switch, a second conductor coupled to the lower switch, and a capacitor. A portion of the first conductor and a portion of the second conductor are on a plane vertically separated from the upper switch and the lower switch by a height, and the capacitor is coupled between the portion of the first conductor and the portion of the second conductor.. ... Hrl Laboratories Llc

04/06/17 / #20170099041

Electromechanical frequency selective surface

Several embodiments are disclosed that provide for a frequency selective surface that can be placed like a radome on top of or under an existing radome or as a new radome on top of one or more radiating or receiving apertures or antennas to provide for a high-q filter function to remove unwanted neighboring frequency interferences. The conformal structure comprises of an array of subwavelength electrically connected broken metallic rings and/or broken wires loaded with electromechanical resonators such as quartz or linbo3 crystal resonators, bulk acoustic wave (baw) resonators, and/or surface acoustic wave (saw) resonators at said breaks. ... Hrl Laboratories Llc

04/06/17 / #20170096568

Structural coatings with dewetting and anti-icing properties, and coating precursors for fabricating same

Variations of this invention provide durable, impact-resistant structural coatings that have both dewetting and anti-icing properties. The coatings in some embodiments possess a self-similar structure that combines a low-cost matrix with two feature sizes that are tuned to affect the wetting of water and freezing of water on the surface. ... Hrl Laboratories Llc

03/23/17 / #20170080673

Curved high temperature alloy sandwich panel with a truss core and fabrication method

A lightweight sandwich panel structure with a complex shape and curvature, and a method to fabricate such a panel out of high temperature alloys. Embodiments of a micro-truss core structure that offer high specific strength and stiffness while allowing for curvature, and methods for depositing multiple layers of metals that can be interdiffused into complex alloys, are provided. ... Hrl Laboratories Llc

03/02/17 / #20170059256

Net-shape structure with micro-truss core

A curved, three-dimensional, ordered micro-truss structure including a series of first struts extending along a first direction, a series of second struts extending along a second direction, and a series of third struts extending along a third direction. The first, second, and third struts interpenetrate one another at a series of nodes. ... Hrl Laboratories Llc

03/02/17 / #20170057193

Sparse truss structures and methods of making the same

A sparse micro-truss structure having a series of unit cells arranged in an array is disclosed. Each of the unit cells includes a series of struts interconnected at a node. ... Hrl Laboratories Llc

02/16/17 / #20170047453

Tunnel barrier schottky

A diode includes: a semiconductor substrate; a cathode metal layer contacting a bottom of the substrate; a semiconductor drift layer on the substrate; a graded aluminum gallium nitride (algan) semiconductor barrier layer on the drift layer and having a larger bandgap than the drift layer, the barrier layer having a top surface and a bottom surface between the drift layer and the top surface, the barrier layer having an increasing aluminum composition from the bottom surface to the top surface; and an anode metal layer directly contacting the top surface of the barrier layer.. . ... Hrl Laboratories Llc

01/26/17 / #20170025765

Surface wave polarization converter

A method and apparatus for converting electromagnetic surface waves from te mode to tm mode or from tm mode to te mode. The apparatus includes a dielectric surface having an anisotropic impedance tensor which is preferably obtained by a plurality of electrically conductive unit cells disposed on the dielectric surface and arranged in a two dimensional array of unit cells, a majority of the unit cells in said array being divided into at least two portions, with at least one gap separating the at least two portions from each other into two or more patches or plates, the array of unit cells having a surface wave input end and a surface wave output end, gaps in the unit cells disposed closest to the surface wave input end having a first orientation and gaps in said unit cells disposed closest to the surface wave output end having a second orientation different than said first orientation. ... Hrl Laboratories Llc

01/26/17 / #20170025518

Vertical iii-nitride semiconductor device with a vertically formed two dimensional electron gas

A hemt device comprising a iii-nitride material substrate, the surface of which follows a plane that is not parallel to the c-plane of the iii-nitride material; an epitaxial layer of iii-nitride material grown on said substrate; a recess etched in said epitaxial layer, having at least one plane wall parallel to a polar plane of the iii-nitride material; a carrier supply layer formed on a portion of the plane wall of the recess, such that a 2deg region is formed along the portion of the plane wall of the recess; a doped source region formed at the surface of said epitaxial layer such that the doped source region is separated from said 2deg region by a channel region of the epitaxial layer; a gate insulating layer formed on the channel region of the epitaxial layer; and a gate contact layer formed on the gate insulating layer.. . ... Hrl Laboratories Llc

01/26/17 / #20170021417

Semi-passive control of solidification in powdered materials

Disclosed herein are surface-functionalized powders which alter the solidification of the melted powders. Some variations provide a powdered material comprising a plurality of particles fabricated from a first material, wherein each of the particles has a particle surface area that is continuously or intermittently surface-functionalized with nanoparticles and/or microparticles selected to control solidification of the powdered material from a liquid state to a solid state. ... Hrl Laboratories Llc

01/19/17 / #20170015922

Low-friction and low-adhesion materials and coatings

Disclosed are materials that possess both low adhesion and the ability to absorb water. The material passively absorbs water from the atmosphere and then expels this water upon impact with debris, to create a self-cleaning layer. ... Hrl Laboratories Llc

01/19/17 / #20170015600

Thermal and environmental barrier coating for ceramic substrates

A thermal and environmental barrier coating composed of ceramic hollow microspheres sintered together. In one embodiment the microspheres are sintered together with a powder of another material that acts as a binder, or with a powder of a material that may be the same as the material of the hollow microspheres, forming a matrix in which the hollow microspheres are embedded. ... Hrl Laboratories Llc

01/19/17 / #20170015550

Spherical nanoparticle hydrides, and methods for making the same

This invention describes spherical nanoparticle hydrides and a method for making them. A method of producing spherical nanoparticle hydrides comprises obtaining an electrically conductive or semiconductive wire fabricated from a base material capable of forming a hydride; exposing the wire to a hydrogen-containing processing gas under pressure; vaporizing the wire by electrical discharge, to generate a vapor phase; and reacting with hydrogen and condensing the vapor phase, generating a plurality of spherical nanoparticle hydrides. ... Hrl Laboratories Llc

01/05/17 / #20170002230

Icephobic coatings with temperature-dependent wetting

Variations of this invention provide durable, impact-resistant structural coatings that have both dewetting and anti-icing properties. Dewetting and anti-icing performance is simultaneously achieved in a structural coating comprising (a) a continuous matrix; (b) discrete templates that promote surface roughness to inhibit wetting of water; (c) porous voids surrounding the discrete templates; and (d) nanoparticles that inhibit heterogeneous nucleation of water, wherein the discrete templates and/or the nanoparticles include a surface material with hydrophobicity that decreases with increasing temperature. ... Hrl Laboratories Llc








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