Keyword: Metal finishing

Articles: Test & Measurement
Taking a holistic approach to sealing systems in hydraulic systems using chrome alternatives helps engineers achieve optimum function.
Articles: Mechanical & Fluid Systems
Surface treatments have limitations that demand attention early in the design process.
Briefs: Manufacturing & Prototyping

Corrosion of structural materials is a serious problem for industrial and civil infrastructure worldwide, costing billions of dollars, and hampering gross domestic product. Corrosion also presents...

Articles: Medical

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...

Application Briefs: Photonics/Optics

Santa Barbara Infrared (SBIR) and Surrey NanoSystems (SNS) have partnered to produce a line of extended-area blackbody sources with exceptionally-high emissivity and...

Application Briefs: Materials
LumiShield
Pittsburgh, PA
For more info click here

Corrosion-related issues cost the U.S. economy $276 billion a year. The Energy Department’s National Energy Technology...

Briefs: Medical

Unfortunately, blood pressure (BP) measurements currently require the use of a cuff that temporarily stops blood flow. A wearable BP “watch” using today’s...

Articles: Photonics/Optics

High-power (multi-kW) fiber lasers are revolutionizing industrial materials processing markets by offering an unmatched combination of performance, reliability, and cost advantages. For example, in sheet metal cutting...

Briefs: Electronics & Computers
Larger-Area Integrated Electrical Metallization Dielectric Structures with Stress-Managed Unit Cells for Extreme- Environment Semiconductor Electronics Chips

The use of patterned multiple layers of thin films of metal and dielectric to form integrated circuit interconnections of transistors and/or form on-chip circuit capacitors is well known to...

Application Briefs: Test & Measurement

There are many ways to manufacture an optic depending on the complexity of the component and the application. From choosing the best substrate, to detailing the numerous...

Briefs: Materials

NASA seeks to license the Adaptive Thermal Management System (ATMS) for use in commercial applications. Developed at the John F. Kennedy Space Center, the ATMS provides a way to regulate heat transfer and...

Briefs: Mechanical & Fluid Systems
Structural Assembly Incorporating Integral Thermal Heat Spreader for Cold Plate Cooling

In a structural cold plate, typically there is a structural member such as a honeycomb panel or a brazed sandwich assembly that provides the structural strength, and at least one cold plate that cools equipment attached to the structural member. The cold...

Application Briefs: Robotics, Automation & Control

Deep-sea remotely operated vehicles (ROVs) present motion control design engineers with some difficult challenges. Applications may include ROV propulsion, position thrusters, dive vanes, rudders,...

Briefs: Manufacturing & Prototyping

Manufacturing reliable, high-performing parts and components that have extended lifecycles is crucial for the pneumatics and hydraulics industry. From springs to fittings, the performance of each...

Briefs: Manufacturing & Prototyping
Flexible, Lightweight Vacuum Shell for Load-Responsive Multilayer Insulation for High Thermal Performance

Better thermal insulation is needed to insulate cryogenic propellants used by NASA for launch vehicles, spacecraft, and orbiting fuel depots. In particular, cryotank insulation during in-air pre-launch and launch ascent stages currently uses...

Briefs: Mechanical & Fluid Systems
Shipping Foam Designer Software

An easy-to-use design tool was developed in response to a large number of documented cases of critical (flight and ground) hardware failing after experiencing drops during commercial shipment. By entering the mass of the hardware to be protected, and the drop height, the software helps the user select the type and...

Articles: Robotics, Automation & Control

Some machine processes, such as presses, can require extreme accuracy in applying and holding force on an object. A popular way to measure force is via load cells. But what do you do when...

Briefs: Manufacturing & Prototyping
Low-Cost, Very Large Diamond-Turned Metal Mirror

This innovation is a method for fabricating a low-cost, lightweight, large-aperture mirror by constructing only the mirror substrate by electroforming on a master form machined from plastic foam. Electroformed tubes of the same NiP alloy are installed in the foam mirror substrate master....

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: Semiconductors & ICs

Four application specific integrated circuits (ASICs) that provide sensing, actuation, and power conversion capabilities for distributed control in a high-temperature (over 200...

Briefs: Medical
Detection of Only Viable Bacterial Spores Using a Live/Dead Indicator in Mixed Populations

This method uses a photoaffinity label that recognizes DNA and can be used to distinguish populations of bacterial cells from bacterial spores without the use of heat shocking during conventional culture, and live from dead bacterial spores using...

Briefs: Physical Sciences
Multi-Dimensional Damage Detection for Surfaces and Structures

Current designs for inflatable or semirigidized structures for habitats and space applications use a multiple-layer construction, alternating thin layers with thicker, stronger layers, which produces a layered composite structure that is much better at resisting damage. Even though...

Briefs: Manufacturing & Prototyping
Method for Reduction of Silver Biocide Plating on Metal Surfaces

Silver ions in aqueous solutions (0.05 to 1 ppm) are used for microbial control in water systems. The silver ions remain in solution when stored in plastic containers, but the concentration rapidly decreases to non-biocidal levels when stored in metal containers. The silver...

Briefs: Manufacturing & Prototyping
Circularly Polarized Microwave Antenna Element With Very Low Off-Axis Cross-Polarization

The goal of this work was to improve offaxis cross-polarization performance and ease of assembly of a circularly polarized microwave antenna element. To ease assembly, the initial design requirement of Hexweb support for the internal circuit part, as well as...

Briefs: Manufacturing & Prototyping

High-precision mirrors for space applications are traditionally manufactured from one piece of material, such as lightweight glass “sandwich” or...

Briefs: Medical
PMA-Linked Fluorescence for Rapid Detection of Viable Bacterial Endospores

The most common approach for assessing the abundance of viable bacterial endospores is the culture-based plating method. However, culture-based approaches are heavily biased and oftentimes incompatible with upstream sample processing strategies, which make viable...

Briefs: Physical Sciences
Sensor for Boundary Shear Stress in Fluid Flow

The formation of scour patterns at bridge piers is driven by the forces at the boundary of the water flow. In most experimental scour studies, indirect processes have been applied to estimate the shear stress using measured velocity profiles. The estimations are based on theoretical models and...

Products: Lighting Technology

IDEAL Industries, Inc. (Sycamore, IL) has introduced the LED-LOK™ downlight holder that mates with all puck-style LED light engines and is designed for OEMS with features that enable luminaire design freedom. Plated...

Briefs: Materials

The development of more efficient thermoelectric couple technology capable of operating with high-grade heat sources up to 1,275 K is key to improving...