Keyword: Forming

Briefs: Manufacturing & Prototyping
Process for 3D Printer Filament Fabrication

Conventional filament extrusion processes are unsuitable for recycling materials on the International Space Station due to requirements for continuous monitoring and tuning, as well as poor filament dimensional control. The Positrusion process recycles scrap or waste thermoplastics into filament for 3D...

NASA Spinoff: Aerospace
NASA Technology

B y the time the gas you fill your car with hits the engine, it’s been through quite a journey. Even apart from its transformation from organic matter into...

Briefs: Materials
Advanced Protective Coatings for Graphite Substrates

The purpose of this innovation is to develop advanced multilayered coating architectures to protect graphite substrates from hot hydrogen attack. The concept consists of coating the graphite substrate with metallic and non-metallic layers consisting of ZrC; Nb, Mo, and/or Nb-Mo alloy; and/or...

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
All-Organic Electroactive Device Fabricated with Single- Wall Carbon Nanotube Film Electrode

A novel, all-organic electroactive device system has been fabricated with a single-wall carbon nanotube (SWCNT) film used as an alternative electrode. This system was fabricated with LaRC-Electro Active Polymer (LaRC-EAP) active layer and the SWCNT films...

Briefs: Manufacturing & Prototyping

With the correct selection of composition, some bulk metallic glasses (BMGs) have been demonstrated that have excellent combinations of hardness, fracture...

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...

Articles: Aerospace

A common belief among engineers is that in order to get the best performance, a PC-based data acquisition module must plug into the PCI bus. Properly implemented, however, a data acquisition module...

Application Briefs: Photonics/Optics

Applications for 3D machine vision are rapidly expanding in a variety of industries for several reasons. The first is that vision systems can lower production costs by increasing yields and/or...

Application Briefs: Software
Reverse engineering and inspection software
Verisurf Software
Anaheim, CA
714-970-1683
www.verisurf.com

In spaceflight, the first eight...

INSIDER: Electronics & Computers

By analyzing such parameters as the force applied by key presses and the time interval between them, a new self-powered, non-mechanical, intelligent keyboard could provide a...

Briefs: Materials
Insulating Materials and Precursor Formulations, and Method of Forming

Methods were developed for forming an insulating material that combines a polysilazane, a cross-linking compound, and a gas-generating compound to form a reaction mixture, and curing the reaction mixture to form a modified polysilazane. The gas-generating compound may be...

Briefs: Software
Frame Synchronization Without Attached Sync Markers

In communications systems, there must be a method to identify the beginning of a message at the receiving end, to know when the data stream of a specified structure begins. This is conventionally done by inserting attached sync markers (ASMs) between codewords, and looking for these ASMs in the...

Articles: Test & Measurement

Touch screens are slowly but surely creeping into every aspect of our day-to-day lives. It’s not unlikely that you wake up to a cellphone alarm, adjust the room temperature on a thermostat, change the radio...

Briefs: Manufacturing & Prototyping
Smart Crucibles and Heat Pipes

Near-net-shape vacuum plasma spray (VPS) forming techniques were developed to produce advanced components with internal features such as smart heat pipes and crucibles. The initial results demonstrated the ability to incorporate features such as channels and a porous layer within the wall of a smart crucible.

Application Briefs: Robotics, Automation & Control

Today’s PCB plug-in connectors must accommodate many trends, including increasing miniaturization, rising levels of performance of electronic components, and growing complexity in machine...

Briefs: Test & Measurement
Heat-Flow Probe Design and Development

The lunar regolith exhibits extremely low conductivity. Penetrating the regolith presents problems if the geo-technical properties of the regolith are not well understood and accounted for.

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

TUFROC has an exposed surface edge design and an appropriate materials combination for a space vehicle that will survive the mechanical stresses induced in the initial ascent, and will subsequently survive the extreme heating and mechanically stressful environment of...

Briefs: Mechanical & Fluid Systems
Locomotion of Amorphous Surface Robots

The proposed techniques rely on three principal concepts: (1) controlling the polarity of electromagnets, (2) circulating fluid through a compartmentalized bladder, and (3) expanding and deflating polymers. These designs would allow amorphous robots to move across a surface without conventional wheels or...

Briefs: Medical

The innovation consists of a method for fabricating containers (“biocapsules”) made of biocompatible mesh for holding living cells and...

Articles: Photonics/Optics

Efficient and accurate operations are vital to the success of today’s manufacturer. Newcomb Spring, a manufacturer of custom springs, wire forms and stampings, is continually working...

Briefs: Software

When the space shuttle’s external tank (ET) was being filled with the cryogenic fuel components LOX and LH2, moisture from the surrounding atmosphere could condense onto...

Briefs: Materials
Nanotechnology Approach to Lightweight, Multifunctional Polyethylene Composite Materials

Of several ideas being pursued by NASA for the reduction of radiation dosage to astronauts, the use of ultra-high-molecular-weight polyethylene (UHMWPE)-based composite materials for both radiation shielding and micrometeorite shielding appears to be...

Briefs: Materials
Electrostrictive Polymers

A new class of electroactive polymeric blend materials has been created that offers both sensing and actuation dual functionality. The blend is comprised of two components where one has sensing capability, and the other has actuating capability. These innovative materials provide significant field-induced strain, high...

Briefs: Physical Sciences

Typically, the cost of a space observatory is driven by the size and mass of the primary aperture. Generally, a monolithic aperture is much heavier and...

Briefs: Manufacturing & Prototyping

There is a need to develop an efficient method for processing lunar regolith in support of future missions to colonize the Moon. A system for heating lunar regolith (“moon soil”) using...

Briefs: Manufacturing & Prototyping
Thermal Mechanical Preparation of Glass Spheres

Samples of lunar regolith have included small glass spheres. Most literature has suggested the small spheres were formed by meteorite impacts. The resulting transformation of kinetic energy to thermal energy caused the lunar surface to melt. The process yielded glass spheres. Recreating a meteorite...

Briefs: Electronics & Computers
Quad First Stage Processor: A Four-Channel Digitizer and Digital Beam-Forming Processor

A 4-channel digitizer was designed, built, and tested. The very large, complex board enables SweepSAR. The proposed Deformation, Eco-Systems, and Dynamics of Ice Radar (DESDynl-R) Lband SAR instrument employs multiple digital channels to optimize resolution...

Briefs: Robotics, Automation & Control

The antenna is composed of two main deployable structural components that help it achieve the large packing factor necessary to fit within the small volume of the CubeSat. The primary component of...