Keyword: Lubricants

Briefs: Nanotechnology
This highly porous sponge absorbs more than 30 times its weight in oil and can be reused up to several dozen times.
NASA Spinoff: Energy
Life support research for astronauts enabled a solution to one aspect of climate change.
Briefs: Mechanical & Fluid Systems

Industrial machinery, agricultural equipment, transportation vessels, and home applications depend on lubricants; however, they leave a heavy environmental footprint. Common lubricants, oils,...

Briefs: Robotics, Automation & Control

Actuators are used in a wide variety of electromechanical systems and in robotics, in applications such as steerable catheters, aircraft wings that adapt to changing conditions, and wind...

Briefs: Semiconductors & ICs
Ultra-Strong, Lightweight, Elastic, Electrically Conductive Carbon

The configuration of carbon's electrons allows for numerous self-bonding combinations that give rise to a range of materials with varying properties. For example, transparent, super-hard diamonds and opaque graphite, which is used for both pencils and industrial lubricant, are...

Briefs: Materials
Self-Lubricating Hard Coatings for Extreme Environments

NASA’ s space goals include a permanent presence on the Moon and an expedition to Mars. The success of habitats and vehicles on the Moon and Mars — and ultimately, of the human exploration of and permanent human presence on the Moon and Mars — is critically dependent on the correct...

Briefs: Materials
Self-Healing, Self-Lubricating Tribofilm

Tribologists have developed a diamond-like film that is generated by the heat and pressure of an automotive engine. The ultra-durable, self-lubricating tribofilm — a film that forms between moving surfaces — can be made to develop self-healing, diamondlike carbon (DLC) tribofilms. The film generates...

Articles: Motion Control

The need for actuators has grown exponentially. Nearly everywhere you look you can see pneumatic, hydraulic, or electric actuator systems at work in an endless variety of applications. There are many...

Briefs: Motion Control

Currently available air motors have many advantages over electric motors. They are more compact, lighter-weight, instantly reversible without sparking, create no heat buildup, are undamaged by...

Briefs: Materials

NASA's Glenn Research Center has developed high-temperature solid lubricant materials suitable for foil gas bearings that enable the...

Briefs: Electronics & Computers

The laws of physics have set a 5-nanometer threshold on the size of transistor gates among conventional semiconductors, about one-quarter the size of high-end,...

Articles: Manufacturing & Prototyping

Gears play an essential role in precision robotics, and they can become a limiting factor when the robots must perform in space missions. In particular, the extreme temperatures of deep space pose...

Articles: Electronics & Computers

Krishan Arora, Mike Baker, Glenn Barber, Peter Brett, Ross Dewhurst, Melvyn Dover, John Gamston, Steven Goodier, Annie Leeson, Vincent Panel, Ben Russell, Alessandra...

Briefs: Mechanical & Fluid Systems
Nanotube-Based Device Cooling System

Carbon nanotubes (CNTs) are being studied for applications in high-strength/low-weight composites and other applications. Recent research on thermal dissipation materials for high-power electronic devices is generating a lot of interest in various industries. NASA has developed a method for cooling a device,...

Briefs: Electronics & Computers
Nanotube-Based Device Cooling System

Carbon nanotubes (CNTs) are being studied for use in high-strength/lowweight composites and other applications. Recent research on thermal dissipation materials for high-power electronic devices is generating a lot of interest in various industries. Carbon nano tubes have attracted much attention due to their...

Articles: Aerospace
Standards for Comfortable Seats

In the beginning, safety trumped comfort in spacecraft designs for human space travel. Early space capsules were small and had a seat-driven design in which most of the...

Briefs: Materials

Modern mechanical carbon materials are being used in a wide variety of applications, including aircraft gear boxes, air turbine motor starters, and main shaft seals for both aircraft...

Briefs: Materials
NASA PS400 High-Temperature Solid Lubricant Coating

NASA has an ongoing need for high-temperature solid lubricant coatings to reduce friction and wear in turbine engines, rocket engines, and other mechanical systems. Such lubricants must be thermally and chemically stable in air, vacuum, and reducing environments like hydrogen. Traditional...

Articles: Motion Control

Selecting the right actuator for use in any manufacturing operation involves a host of application-specific variables, including aspects such as the required stroke length, load capacity,...

Articles: Motion Control

At first glance, the photo at the top is not appealing to any market — a pallet full of old gearmotors is not something one wants to think about after purchasing the necessary...

Briefs: Mechanical & Fluid Systems
Turbo-Brayton Converter for Fission Surface Power Applications

Producing electric power for space applications is challenging. Although short-term missions can use batteries or fuel cells, these sources are not practical for durations longer than one month. Photovoltaics become less attractive as the distance from the Sun increases, and they are...

Briefs: Materials
Pulsed Plasma Lubricator (PPL) Technology for the In Situ Replenishment of Dry Lubricants in Extreme Environments

NASA missions employing mobility systems and other moving mechanical assemblies for application on Mars, the Moon, and in deep space depend on the reliable operation of these assemblies and their tribological components. Wet...

Briefs: Materials
Treatment to Control Adhesion of Silicone-Based Elastomers

Seals are used to facilitate the joining of two items, usually temporarily. At some point in the future, it is expected that the items will need to be separated. This innovation enables control of the adhesive properties of silicone-based elastomers. The innovation may also be effective...

Briefs: Mechanical & Fluid Systems
Long-Life, Lightweight, Multi-Roller Traction Drives for Planetary Vehicle Surface Exploration

NASA’s initiative for Lunar and Martian exploration will require long lived, robust drive systems for manned vehicles that must operate in hostile environments. The operation of these mechanical drives will pose a problem because of the existing...

Application Briefs: Robotics, Automation & Control

At Concordia Station in Antarctica, there is a telescope mount that has been operating for a few years. Recently, there was a new record temperature at the Dome C site:...

Briefs: Materials
High-Temperature Solid Lubricant Coating

NASA PS400 is a solid lubricant coating invented for high-temperature tribological applications. This plasma-sprayed coating is a variant of the previously patented PS304 coating, and has been formulated to provide higher density, smoother surface finish, and better dimensional stability.

Articles: Robotics, Automation & Control

A custom gearmotor is one that meets your particular specifications. It has the correct mechanical and electrical interfaces, fits within the envelope available, meets your performance, maintenance,...

Briefs: Manufacturing & Prototyping
Fabricating PFPE Membranes for Capillary Electrophoresis

A process has been developed for fabricating perfluoropolyether (PFPE) membranes that contain microscopic holes of precise sizes at precise locations. The membranes are to be incorporated into “laboratory-on-a-chip” microfluidic devices to be used in performing capillary...

Briefs: Materials

Gadolinia-doped ceria, or GDC, (Gd0.4Ce0.6O2–δ, where the value of δ in this material varies, depending on the temperature and oxygen concentration...