Keyword: Welding

Briefs: Transportation
Applications include manufacturing structural components for aerospace vehicles, cars, trucks, trains, ships, and submarines.
Briefs: Materials
Empa researchers were able to demonstrate real-time acoustic monitoring of laser weld seams.
Briefs: Aerospace
Applications include homeland security, vehicle anti-collision systems, telecommunications systems, and industrial instrumentation.
Articles: Photonics/Optics
Altering the traditional intensity distribution of fiber lasers improves weld quality.
Briefs: Electronics & Computers
This technology could be used to create smartphones that don't scratch or shatter, metal-free pacemakers, and electronics for space and other harsh environments.
Briefs: Aerospace

Conventional fastening mechanisms like nails, bolts, and welds are subject to manufacturing and inspection tolerances, differential thermal growth, and other sources of error that lead to over-constraint, among...

Briefs: Energy

Undercooled metal technology was developed that features liquid metal (in this case, Field's metal, an alloy of bismuth, indium, and tin) trapped below its melting point in polished,...

Briefs: Semiconductors & ICs

The production of precision products depends on robot control systems knowing the location of the adhesive bonding head or welding head to the nearest millimeter at all times. This means the robot...

Application Briefs: Automotive

EMAG L.L.C. is the U.S. subsidiary of a major German machine tool builder that specializes in machine tools for the production of automotive, off-highway, agricultural, and oil field...

Articles: Manufacturing & Prototyping
What Does It Takes to Change the Game?

Industrial lasers are integrated into manufacturing and fabrication facilities around the world. Every moment, there is an industrial laser somewhere that is cutting, etching,...

Articles: Mechanical & Fluid Systems

There have been many changes in laser technology over the past 30 years. With each advancement comes new challenges and opportunities. The CO2 laser with 10-micron wavelength was king for many...

Briefs: Materials
Composite Advances Lignin as Renewable 3D Printing Material

Lignin is the material left over from the processing of biomass. It gives plants rigidity and also makes biomass resistant to being broken down into useful products. Researchers combined a melt-stable hardwood lignin with conventional plastic, a low-melting nylon, and carbon fiber to...

Briefs: Sensors/Data Acquisition

Lasers play roles in many manufacturing processes, from welding car parts to crafting engine components with 3D printers. To control these tasks, manufacturers must ensure that their lasers fire at...

Briefs: Motion Control

Resistance welding with direct current (DC) using inverter technology reduces costs by improving quality, reducing maintenance, and increasing productivity. Switching from...

Briefs: Manufacturing & Prototyping

Marine-grade stainless steel is valued for its performance under corrosive environments, and for its high ductility — the ability to bend without breaking under stress. But conventional...

Briefs: Medical

Because of their high precision and speed, Delta robots are deployed in many industrial processes, including pick-and-place assemblies, machining, and welding. Delta...

Articles: Electronics & Computers

As contemporary electronics embrace light weight, increasing efficiency, and high speed, each link of the manufacturing process also conforms to this philosophy, including printed...

Articles: Photonics/Optics

Four lasers can be used for micro welding: pulsed neodymium-doped yttrium aluminum garnet (Nd:YAG), continuous wave (CW) fiber, quasi continuous wave (QCW) fiber, and nanosecond fiber. Each laser type...

Briefs: Test & Measurement

A component leak test apparatus investigates the performance of fittings at low temperature and/or high pressure. Its performance was quantified by measuring the ability to hold cold pressurized gaseous helium...

Briefs: Mechanical & Fluid Systems

Researchers at NASA’s Marshall Space Flight Center have developed new modular fixtures for holding metal in place during the assembly and welding of cylindrical and conical sections...

Briefs: Test & Measurement
On-line Phased Array Ultrasonic Testing (PAUT) System for Friction Stir Welding (FSW)

Friction Stir Welding (FSW) is a relatively new solid-state welding process, and many industries are now relying on this technique to produce advanced structures. Industries employing this technique include, but are not limited to, aeronautical, motor vehicle,...

Briefs: Test & Measurement

NASA’s Langley Research Center has developed a new technology for measuring the junction temperature of laser diode arrays (LDAs) that...

Briefs: Mechanical & Fluid Systems

Friction Pull Plug Welding (FPPW) is the process necessary to plug the hole that is left behind as a friction stir weld (FSW) joint is completed and the pin tool of the welder retracts from the...

Briefs: Materials
In Situ Mechanical Property Measurements of Amorphous Carbon-Boron Nitride Nanotube Nanostructures

Utilizing the full mechanical capabilities of individual nanotubes is a primary research goal in nanotube reinforced nanocomposite materials. Practical use of these nanomaterials requires creating stable and strong linkages between nanotubes...

Briefs: Manufacturing & Prototyping

Electron Beam Freeform Fabrication, or EBF3, is a process that uses an electron beam gun, a dual wire feed, and computer controls to manufacture metallic structures for building parts or tools in hours,...

Articles: Motion Control

Couplings are a critical part of system performance in high-tech applications, yet they are often one of the last components to be specified. Selecting the proper coupling ensures the equipment will meet...

Briefs: Manufacturing & Prototyping
Use of Beam Deflection to Control an Electron Beam Wire Deposition Process

NASA Langley Research Center researchers have a strong technology foundation in the use of electron-beam (e-beam) deposition for freeform fabrication of complex shaped metal parts. While e-beam wire deposition is of interest for rapid prototyping of metal parts,...

Briefs: Manufacturing & Prototyping
Thermal Stir Welding Process

NASA's Marshall Space Flight Center is developing an improved joining technology called thermal stir welding that improves upon fusion welding and friction stir welding. This new technology enables a superior joining method by allowing manufacturers to join dissimilar materials and to weld at high rates. NASA's...

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...