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Various habitat structures were tested for use in exploration activities.Over the past three years, NASA has been studying the operational effectiveness and astronaut protection efficacy of numerous radiation protection shelters for use in space exploration activities outside of Earth's magnetosphere. The work was part of NASA's Advanced Exploration Systems (AES) RadWorks Storm Shelter project. Fabricated items were integrated into mockup deep space habitat vehicle sections for operational evaluations. Two full-scale human-in-loop simulations were designed, fabricated, and implemented. Read more »
The material 60-Nitinol (60wt%Ni-40wt%Ti) has a unique combination of physical properties, including high hardness, low apparent elastic modulus, and resistance to saltwater corrosion. These properties give the material tremendous potential for use in aerospace and defense-related components such as bearings, gears, and other apparatuses. Various methods of primary processing are being explored for fabrication of high-performance components that are free of metallurgical defects that might lead to premature failure. Hot isostatic pressing (HIP) is one process under consideration. Read more »
NASA's Langley Research Center and Science Applications International Corporation have developed a method of processing data from Fourier transform spectroscopy (FTS) measurements that improves upon existing methods. This method is simpler, more accurate, faster, and less expensive than previous methods. It uses less hardware and can be used with all wavelengths.
These photodiodes have applications in LiDAR sensors, telecommunications links, and pulsed laser systems.Traditional applications for 2-micron photodetectors have been largely dominated by passive remote sensing where detectors having bandwidth of even one megahertz are deemed sufficient. The onus in such applications is to achieve low dark current through active cooling. The advent of high-power, 2-micron-wave-length lasers have made coherent LiDARs viable for active sensing applications. Read more »
What types of materials do you keep on hand for projects? Here is a selection made up of easy-to-work-with, strong, and inexpensive materials.
This article is full of advice from my engineering experiences devising and constructing fixtures and test equipment for research and production. Read more »
Powder Metal Technologies: Designing with Innovation to Support your Unique Applications and Cost Requirements
This webinar will help you understand the potential cost effective savings and design opportunities you can achieve usingread more
Robert LaPlante, Product Engineering Manager, Freudenberg-NOK Sealing Technologies
An expert in the field offers a review of key factors that reduce a radial shaft seal’s life span.
Radial shaft seals (RSSs) are the classic sealing solution when it comes to rotating shafts. Read more »
George Gatto, Jr., Gatto Industrial Platers Inc., and Tarek Nahlawi, Randy Kramer, and Jamie Flesch, Dipsol of America Inc.
They protect against corrosion, wear, and thermal stress, but are not always applicable.
The development and practical application of electroplated zinc-nickel alloy coatings began during the 1980s, and its acceptance and use have grown slowly...
Researchers turn to the wings of the dragonfly for potential air-passenger safety from infectious agents.
The general focus on improving air travel usually involves faster, safer, lighter, and more fuel-efficient aircraft. But another safety concern is disease transmission because the airtight flying metal cylinders...