Keyword: Aluminum alloys

Briefs: Materials
Applications include manufacturing structural components for aerospace vehicles, cars, trucks, trains, ships, and submarines.
Briefs: Nanotechnology

An advanced manufacturing process was developed to produce nano-structured rods and tubes directly from high-performance aluminum alloy powder in a single step. Using a Solid Phase Processing...

Briefs: Energy

Batteries and combustion engines each have distinctive benefits and limitations. Batteries have simple construction and operate silently; however, their energy density (i.e., the energy per unit volume) is poor, and...

Articles: Energy
Learn how advanced materials are creating high-efficiency engines, better powertrains, and lighter components.
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...

Briefs: Materials
Aluminum Alloy for High-Temperature Applications

NASA’s Marshall Space Flight Center originally developed a high-performance piston alloy to meet U.S. legislative restrictions on vehicular exhaust hydrocarbon emissions. NASA 398 aluminum alloy exhibits excellent tensile and fatigue strength at elevated temperatures. NASA 398 alloy also offers...

Briefs: Manufacturing & Prototyping
Tool Designs for Friction Stir Welding

Friction stir welding (FSW) is a solidstate welding process that shows promise in the aerospace industry. A new system of experimentation has been used to quickly make and screen new tool designs. After conducting a literature review, friction stir tools were designed to optimize material flow around the...

Application Briefs: Robotics, Automation & Control

MJC Engineering, a custom machine tool builder in Huntington Beach, CA, specializes in metal-spinning machines for such applications as sheet spinning, flow forming, wheel spinning,...

Briefs: Manufacturing & Prototyping
Improved Impact Toughness and Heat Treatment for Cast Aluminum

NASA’s Marshall Space Flight Center researchers have developed a new, stronger aluminum alloy, ideal for cast aluminum products that have powder or paint-baked thermal coatings. With advanced mechanical properties, the NASA-427 alloy shows greater tensile strength and increased...

Briefs: Mechanical & Fluid Systems

Experiments in space can be expensive and infrequent, but Earth’s upper atmosphere is accessible via large scientific balloons, and can be used to address many of the same fundamental questions. Scientific balloons are made of a...

Briefs: Test & Measurement

The suspension system of parachutes is typically made from ropes (referred to as cordage). Measuring loads in the suspension system cordage has thus far proven very...

Application Briefs: Robotics, Automation & Control

Motion control is essential for the digitization and automation of high-tech equipment, but bearings remain basic to frictionless movement. Bearing Engineers, a bearing...

Briefs: Manufacturing & Prototyping
Improving Friction Stir Welds Using Laser Peening

Friction stir welding (FSW) has emerged as a promising solid-state process with encouraging results, particularly when used on high-strength aerospace aluminum alloys that are generally difficult to weld. Laser peening has been applied to the mechanical and fatigue properties of welded joints....

Briefs: Manufacturing & Prototyping

In the past two decades, there have been significant advancements in the field of additive manufacturing (AM) of titanium alloy (Ti-6Al-4V) and other metallic...

Articles: Test & Measurement

Are the shoes you’re wearing really made of leather? Is the table nearby made of wood? How can you be sure? These questions may seem trivial in everyday life, but knowing the precise...

Articles: Materials

The Partnership for Next Gen eration Vehicles (PNGV) is not a NASA initiative to develop powerful new rockets and spacecraft, even though it may sound like one. PNGV was a partnership...

Briefs: Mechanical & Fluid Systems

A high-strength, low-weight pressure vessel dome was designed specifically to house a high-pressure [2,000 psi (≈13.8 MPa)] electrolyzer. In operation, the dome is filled with an inert gas...

Briefs: Materials
Ultra-Lightweight Nanocomposite Foams and Sandwich Structures for Space Structure Applications

Microcellular nanocomposite foams and sandwich structures have been created to have excellent electrical conductivity and radiation-resistant properties using a new method that does not involve or release any toxicity. The nanocomposite structures have...

Articles: Photonics/Optics

Proponents of laser beam welding (LBW) and electron beam (EBW) welding each pronounce the singular praises of their favored technology, but often the best solution for a...

Briefs: Mechanical & Fluid Systems
Lightweight Heat Pipes Made From Magnesium

Magnesium has shown promise as a lighter-weight alternative to the aluminum alloys now used to make the main structural components of axially grooved heat pipes that contain ammonia as the working fluid. Magnesium heat-pipe structures can be fabricated by conventional processes that include extrusion,...

Articles: Energy

DOE has prepared a Multi-Year Research, Development, and Demonstration Plan to provide hydrogen as a viable fuel for transportation after 2020, and commissioned Concepts NREC (CN)...

Briefs: Software

Patented in 1991, friction stir welding (FSW) has since been used widely to create strong joints in aluminum alloys. The aircraft industry has started to adapt this...

Articles: Photonics/Optics

Lightweight, aspheric, reflective optical designs commonly are designed and built for demanding space-based remote sensing, targeting systems, and aerial reconnaissance....

Briefs: Mechanical & Fluid Systems
Integral Flexure Mounts for Metal Mirrors for Cryogenic Use

Semi-kinematic, six-degree-of-freedom flexure mounts have been incorporated as integral parts of metal mirrors designed to be used under cryogenic conditions as parts of an astronomical instrument. The design of the mirrors and their integral flexure mounts can also be adapted to other...

Briefs: Manufacturing & Prototyping
Heat Treatment of Friction-Stir-Welded 7050 Aluminum Plates

A method of heat treatment has been developed to reverse some of the deleterious effects of friction stir welding of plates of aluminum alloy 7050. This alloy is considered unweldable by arc and high-energy-density beam fusion welding processes. The alloy can be friction stir welded,...

Briefs: Manufacturing & Prototyping
Treatments To Produce Stabilized Aluminum Mirrors for Cryogenic Uses

Five metallurgical treatments have been tested as means of stabilizing mirrors that are made of aluminum alloy 6061 and are intended for use in cryogenic applications. Aluminum alloy 6061 is favored as a mirror material by many scientists and engineers. Like other alloys, it...

Briefs: Physical Sciences

Vacuum apparatuses have been developed for increasing the range of elements that can be identified by use of x-ray fluorescent (XRF) scanners of the type mentioned in the two immediately preceding articles....

Briefs: Materials

These coatings show promise, but further development is needed. Conversion coatings that comprise mixtures of molybdates and several additives have been subjected to a variety of...

Briefs: Physical Sciences
Inspecting Friction Stir Welding Using Electromagnetic Probes

A report describes the use of advanced electromagnetic probes to measure the dimensions, the spatial distribution of electrical conductivity, and related other properties of friction stir welds (FSWs) between parts made of the same or different aluminum alloy(s). The probes are of the...

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