Keyword: Fibers

Briefs: Test & Measurement

NASA’s Langley Research Center has demonstrated a patent-pending method and apparatus for determining the position, in...

Articles: Sensors/Data Acquisition

NASA engineer Allen Parker and a team at Armstrong Flight Research Center have developed a fiber-optic-based sensing technology that accurately pinpoints and measures liquid...

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...

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: Materials

NASA’s Langley Research Center has developed a new technique to enable the preparation of metal/composite hybrid laminates, also known as fiber metal laminates (FML),...

Briefs: Materials
Aromatic Thermosetting coPolyester (ATSP) Composites for High-Temperature and Cryogenic Applications

Advanced composite materials processable by cost-effective manufacturing play an important role in developing lightweight structures for future space and planetary exploration missions. With the growing demand for improved performance in 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: Medical

This technology is a device that uses electrical activity to facilitate the wound healing process while protecting the wound. The bandage is made of an electroactive material (see figure) that is...

Briefs: Materials

NASA has developed a unique and robust multifunctional material called 3-Dimensional Multifunctional Ablative (3DMAT) Thermal Protection System (TPS) that meets both the structural and...

Briefs: Mechanical & Fluid Systems

Aridged retention interface is necessary to secure planetary sample tubes within a caching system for use in future sample return missions. The assumed retention...

Application Briefs: Imaging

Modern fiber optics have undergone remarkable advances since their development in the 1960s. The growing demand for fiber-optic cable, especially in the telecommunications industry, has led to an...

Briefs: Materials
Oriented Nanofibers Embedded in a Polymer Matrix

A method of forming a composite of embedded nanofibers in a polymer matrix with a high degree of alignment has been created using a nanofiber continuous fiber (NCF) system. This innovation incorporates nanofibers in a plastic matrix forming agglomerates, and then uniformly distributes them by...

Briefs: Materials

A starshade occulter is a large space structure whose shape is specially designed to produce a diffraction pattern in starlight that can aid a telescope in direct imaging of exoplanets. The diffraction pattern...

Briefs: Photonics/Optics

The mercury linear ion trap frequency standard (LITS) at JPL has been demonstrated to have multiple potential applications in NASA deep space missions. An increase of the...

Articles: Imaging

As the optical fiber and cable industry unfolded, several terms were coined to describe specific properties that were new and different from conventional wire processing....

Briefs: Manufacturing & Prototyping
Method for Insertion of Carbon Fiber Through the Thickness of Dense Dry Fiber Preform

Creation of a structural joint for a heat shield for extreme entry environments requires structural fibers penetrating through the thickness of the shield at joint locations. The structural fibers must be made of carbon to withstand extremely high temperatures,...

Briefs: Materials
Processing and Damage Tolerance of Continuous Carbon Fiber Composites Containing Puncture-Self-Healing Thermoplastic Matrix

The initiation and propagation of damage ultimately results in failure of aircraft structural components. Often, impact damage is difficult to identify in-service, and hence design of continuous carbon fiber reinforced...

Briefs: Manufacturing & Prototyping
In-Situ Mixing, Degassing, Decavitation, and Extrusion Modules for Fused Deposition Modeling 3D Printers

Additively manufactured 3D articles of certain high-temperature polymer composites such as ULTEM 1000 reinforced with chopped carbon fibers and printed by current state-of-the-art Fused Deposition Modeling (FDM) printers, suffer significantly...

Briefs: Materials
Multifunctional B/C Fiber Composites for Radiation Shielding

A versatile, novel, multifunctional hybrid structural composite of a high-hydrogen epoxy matrix (UN-10) coupled with boron and carbon fibers (IM-7) has been developed. Prototype laminates of 18×18 in. (≈46×46 cm), with the nominal areal density of 0.35 g/cm2, were...

Briefs: Photonics/Optics
A Novel Approach to Liquid-Level Sensing Using Fiber Bragg Grating Technology (CryoFOSS)

The Cryogenic Fiber Optic Sensing System (CryoFOSS) offers an approach to liquid-level sensing that uses fiber optic Bragg sensor technology. The innovation is able to sense liquid levels to within 1/4-inch spatial resolution and can actively discern between...

Briefs: Information Technology
Shape Sensing Using Multicore Fiber Optic Cable and Parametric Curve Solutions

Apaper reports a method of converting distributed curvature measurements into a three-dimensional shape by combining elastic rod theory and differential geometry to arrive at a three-dimensional solution of the Frenet-Serret formulas. A new method of calculating the...

Briefs: Materials
Strong and Flexible Carbon Fiber Reinforced Phenolic Composites

A new class of phenolic and carbon-fiber-reinforced phenolic composites has been developed for thermal protection systems. The new materials have the advantage of being lightweight, strong, and tough, yet heat resistant and flexible. They retain excellent mechanical strength at high...

Briefs: Materials
Hybrid Laminate Composite for Harsh Environments and High-Performance Applications

A multi-functional composite laminate material has been developed for structural and thermal applications for use in durable cryogenic fuel tanks for transportation vehicles and/or in the construction of habitats. The technology focuses on aerogel and fiber...

Briefs: Manufacturing & Prototyping
Surface Densification of Phenolic Impregnated Carbon Ablator

PICA (phenolic impregnated carbon ablator) was developed for the forebody heat shield of the Stardust Return Capsule. Conventional thermal protection system (TPS) materials of the time (primarily carbon phenolics) had high densities and thermal conductivities, yielding a TPS mass...

Briefs: Manufacturing & Prototyping
Low-Density Flexible Ablators

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. Several flexible versions have been developed by infiltrating a pyrolyzing silicone resin into flexible, low-density felts made of carbon, polymer, or...

Briefs: Manufacturing & Prototyping

Fiber metal laminates (FMLs) are multicomponent materials utilizing metals, fibers, and matrix resins. Tailoring their properties is readily achievable by varying one or more of these...

Articles: Aerospace

The civil aviation market comprises commercial passenger planes, cargo planes, private planes, private jets, and helicopters. Design engineers strive to reduce aircraft weight and costs,...

Briefs: Photonics/Optics
Fiber-Optic Sensor for Aircraft and Structure Lightning Measurement

An optical-fiber sensor based on Faraday Effect was developed for measuring total lightning current. Designed for aircraft installation, it is lightweight, non-conducting, structure conforming, and is immune to electromagnetic interference, hysteresis, and saturation. It can...

INSIDER: Electronics & Computers

Portable electronics — typically made of non-renewable, non-biodegradable and potentially toxic materials — are discarded at an alarming rate in consumers' pursuit of the next best...