Keyword: Ceramics

Briefs: Electronics & Computers

Printable electronics — flexible circuitry that is deposited on some type of plastic substrate — has been a major area of research for decades. But the ability to print the substrate...

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Briefs: Mechanical & Fluid Systems

Traditional heat shield design isolates the functions of the thermal protection system (TPS) from the underlying load-carrying structure. This is due to the use of brittle TPS material that...

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Briefs: Materials

Researchers have made ultralight, highly porous, compressible, and heat-resistant sponge-like materials from nanoscale ceramic fibers. The highly deformable material...

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Articles: Materials

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that innovation.

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Briefs: Manufacturing & Prototyping
Atomic Layer Deposition (ALD) Coating of High-Precision Components Produced by Selective Laser Melting (SLM)

Atomic Layer Deposition (ALD) is being used as a means of coating various substrate materials with a variety of metallic and ceramic oxides for corrosion and thermal protection. The technology necessary to develop a state-of-the-art,...

Articles: Motion Control

Pneumatic valves made with piezo technology offer many advantages. They are small, lightweight, extremely precise, durable, fast, and save energy. Piezo valves do not need energy to maintain a switching...

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Briefs: Materials

NASA's Langley Research Center has developed a system that provides both structural support and protection attributes in a failsafe manner. This innovation incorporates the use of...

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Briefs: Materials

NASA's Glenn Research Center (GRC) has developed and produced ultra-lightweight polymer cross-linked aerogels (X-Aerogels). These mechanically robust, highly porous, low-density...

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Briefs: Propulsion

NASA's Langley Research Center is seeking to improve upon stock stainless steel flame holders. Researchers at NASA Langley have developed a new ceramic design with a service temperature of 4000 °F. The combination of...

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Briefs: Propulsion
Propellant Distributor for a Thruster

Innovators at NASA's Glenn Research Center have developed several new technological innovations to improve the capability of Hall-effect thrusters, which are used primarily on Earth-orbiting satellites and can also be used for deep-space robotic vehicles. Hall thrusters are susceptible to discharge channel...

Briefs: Mechanical & Fluid Systems

Oxygen, water, and fuel are of paramount importance to human life. As a leading concept, the solid-oxide electrolysis cell (SOEC) is a very powerful technology, especially...

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Briefs: Manufacturing & Prototyping

The goal of this work was to develop engineered matrix SiC/SiC ceramic composites with crack blunting and self-healing capabilities for 1588 to 1755 K applications. The work optimized...

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Articles: Materials

Historically, high-strength materials have been heavy and dense. The need for high-strength but lightweight materials has become more widespread when designing everything from vehicles and...

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Briefs: Materials
Method for Fabricating Diamond-Dispersed, Fiber-Reinforced Composite Coating onLow-Temperature Sliding Thrust Bearing Interfaces

Innovators at NASA's Glenn Research Center have developed a method for fabricating a fiber-reinforced diamond composite coating on the surfaces of sliding thrust bearings at low and cryogenic temperatures....

Briefs: Materials
Methods for Intercalating and Exfoliating Hexagonal Boron Nitride

Innovators at NASA's Glenn Research Center have developed a number of materials and methods to optimize the performance of nanomaterials by making them tougher, more resistant, and easier to process. Glenn's scientists are generating critical improvements at all stages of...

Briefs: Sensors/Data Acquisition
Minimally Intrusive Thin-Film Electrical Insulation on Conductive Surfaces

The use of thin-film sensors has several advantages over wire or foil sensors. For example, thin-film sensors do not require special machining of the components on which they are mounted, and, with thicknesses less than 10 μm, they are considerably thinner than wires or...

Briefs: Materials
Minimally Machined HoneySiC Panels and T300 HoneySiC

The primary purpose of this work is to develop and demonstrate technologies to manufacture ultra-low-cost precision optical systems for very large x-ray, UV/optical, or infrared telescopes.

Briefs: Materials

Future-generation materials for use on space transportation vehicles require substantial improvements in material properties leading to increased...

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Briefs: Materials
Multi-Phase Ceramic System

Bearing surfaces are typically either metal-on-metal (MOM), ceramic-on-ceramic (COC), or metal-on-polyethylene (MOP). MOM and MOP couplings have the drawback that metallic or polyethylene particles can sometimes separate from the couplings, which can cause significant problems, particularly in a hip or joint...

Briefs: Materials

NASA has developed a class of low-density, flexible ablators that can be fabricated into heat-shields capable of being packaged, stowed, and deployed in space. The key characteristics of this new...

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Briefs: Materials
Toughened Uni-piece Fibrous Reinforced Oxidation-Resistant Composite (TUFROC)

The Toughened Uni-piece Fibrous Reinforced Oxidation-Resistant Composite (TUFROC) allows for much more affordable and sustainable operations involving Space Launch Services and other systems that utilize Earth re-entry vehicles. TUFROC has an exposed surface design and...

Briefs: Medical
Generation of High-Pressure Oxygen Via Electrochemical Pumping in a Multi-Stage Electrolysis Stack

Innovators at NASA’s Glenn Research Center have developed a method for producing pure high-pressure oxygen via an electrochemical pumping process through a solid oxide electrolysis (SOE) cell stack. Glenn’s device can either concentrate the...

Briefs: Materials
Aluminoborosilicate Supplement for Thermal Protection of a Re-entrant Vehicle

The Toughened Uni-piece Fibrous Reinforced Oxidation-Resistant Com posite (TUFROC) allows for much more affordable and sustainable operations involving Space Launch Services and other systems that utilize Earth reentry vehicles. TUFROC has an exposed surface design and...

Briefs: Sensors/Data Acquisition

A pressure sensor was developed based on a piezoelectric bending resonator. The resonator is covered and mechanically coupled with a sealed enclosure. The impedance spectrum of the...

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Briefs: Electronics & Computers

This radiation-hardened, compact, low-power, quad 12-bit digital-to-analog converter (DAC) application specific integrated circuit (ASIC) incorporates science-driven features...

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Briefs: Mechanical & Fluid Systems
Piezoelectric Actuator for a 2-inch Isolation Cryogenic Valve

This project is focused on the development of a high-force, high-speed piezoelectric actuator for control of a 2-inch (≈5-cm) isolation valve application in a cryogenic vacuum environment. The piezo motor actuators on the two cryogenic isolation valves were successfully tested at...

Briefs: Manufacturing & Prototyping
Stable, Flat Packaging Concepts for Large Detector Arrays

A ceramic vacuum chuck is used to hold large detector arrays flat while being attached parallel to a rigid substrate. Once held in the vacuum chuck, the component is typically seized by epoxy against a rigid substrate. The problem that interferes with this operation happens when the epoxy...

Articles: Aerospace

Thermally conductive adhesives are uniquely qualified to meet the increasingly diverse requirements of advanced electronics systems. From their...

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Briefs: Materials
Smart MMOD Thermal Blanket

This innovation provides for significantly improved protection from micrometeoroid and orbital debris (MMOD) particles, and reliably determines the location, depth, and extent of MMOD impact damage.