Stories
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Briefs: Photonics/Optics
Electrodeposition of Strong Glassy Metals
Thin-walled structures made of strong glassy nickel and glassy nickel-cobalt alloys, with tailorable low residual stresses, and with high resistance to permanent plastic deformation, can be formed by use of an electrodeposition process. This process was developed to enable the fabrication of lightweight,...
Briefs: Physical Sciences
A technique for ultrasonic characterization of plates has been extended to tubes and curved structures in general. In this technique, as explained in more detail below, one performs...
Briefs: Physical Sciences
Detecting Metal Ions by Voltammetry Using Diamond Electrodes
Experiments have demonstrated the feasibility of detecting multiple species of toxic metal ions and other ions of interest dissolved in water, by means of voltammetry with electrically conductive artificial diamond electrodes. Diamond is attractive as an electrode material because it is...
Briefs: Mechanical & Fluid Systems
Some changes in the design and construction of the leading edges of metal airplane wings have shown promise as means to suppress laminar-to-turbulent flow transitions. The significance...
Briefs: Materials
Properties of Cubic Boron Nitride Films
A report describes an experimental study of the surface-chemical, microstructural, and tribological properties of cubic boron nitride (c-BN) films, which are potentially useful as hard, wear-resistant coatings on bearings and on steel-cutting tools. For the experiments, BN films about 500 nm thick were...
Briefs: Materials
Etching Solution for Removal of Silver Plating From Polymers
An etching solution has been developed for use in removal of silver plating from polymer-based (including composite-material) structural components, the surfaces of which are intended to serve as mirrors and waveguide structures. Such structures are often plated with aluminum, copper, and...
Briefs: Physical Sciences
An improved miniature electrostatic sector has been designed for a miniature double-focusing mass spectrometer (see figure). Miniature mass spectrometers are essential components...
Briefs: Photonics/Optics
Thermal-desorption x-ray photoelectron spectroscopy (TDXPS) is a technique in which the thermal aspect of thermogravimetric analysis (TGA) is combined with non-angle-resolved x-ray...
Briefs: Manufacturing & Prototyping
An improved process has been devised for making closed channels (e.g., coolant channels) in a heat-exchanger liner or a similar metal object. The process involves the following steps:...
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Webcasts
Webinars: Test & Measurement
From Spec to Scale: High-Precision Grinding Strategies for Tight-Tolerance...
Editorial Webinars: Photonics/Optics
High-Speed Connectivity for Next Generation Aerospace & Defense...
Webinars: Software
Electronics Digital Twins: From Concept to Scalable Platform
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Architecting the Future: Why Systems Engineering is the Backbone...
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Editorial Webinars: Materials
Next-Generation Materials for Medical Devices: From Smart...

