Today's car is full of sensors and automation. However, these can be controlled electronically only if correspondingly complex plug-in connections are present. At K , KraussMaffei is demonstrating the crucial benefits on a CX 80 injection molding machine using an article with three metal inlays. These include the space-saving integration of the automation, high efficiency when positioning and overmolding the metal parts and an advanced downline inspection routine. Rain sensors, parking assistant, lane keeping assist system—today's cars are intelligent and full of assistance systems and sensors, which have to interact simultaneously.
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Fabrication of Uniform Nanoscale Cavities via Silicon Direct Wafer BondingVIDEO ON THE TOPIC: The Secret Inside Space Suit
Email Address. Sign In. Access provided by: anon Sign Out. Fabrication and testing of an ionic electrospray propulsion system with a porous metal tip array Abstract: We report the fabrication and testing of an ionic electrospray propulsion system iEPS for maneuvering small satellites in space.
Compared with previous ionic electrospray thrusters, our devices have emission tip arrays made of porous metal that ensure more uniform flow and higher currents while maintaining the high power and propellant efficiencies inherent in these devices. Fabrication of the device was realized by MEMS processes and precision die level assembly.
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Needing her hands free to complete the job, she verbally commands her procedures device, which looks a bit like a backward headlamp and acts a bit like Siri, to read the instructions aloud. Per its directives, she removes a wall panel to examine a valve for bacterial growth. Midway through the inspection, a sensor embedded in her warning device, a harness worn beneath the uniform, detects a dangerous buildup of CO2 caused by the crew member exhaling in the closed, unventilated space behind the panel. The warning device sends that information to the procedures device, which cautions her about the danger. She speeds up and completes the job in time to avoid any harm. Then she moves on to manage one of the ISS mission's current experiments, checking the most recent data readings on her monitoring device, a kind of iPad Mini mounted to an upper thigh.
Introducing the Astronaut Clothing of the Future
Al-Pb-Bi monotectic alloys with three different compositions were melted and solidified under a microgravity environment in the Space Shuttle. The Pb, Bi particles were dispersed uniformly in the aluminium matrix, while evident sedimentation was observed in the reference sample processed under 1 G. Slow cooling was also effective to obtain homogeneous microstructure because of the absence of Marangoni force. The alloys were cold-worked into wires and the superconducting properties of the wires were investigated. The distance between Pb, Bi fibres for the alloys prepared under microgravity was so small that the wires showed complete zero resistance below 9 K due to the proximity effect.
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As our team name suggests, additive manufacturing in space plays a major role in our experiment. In this type of generative manufacturing, components made of plastic or metal are produced by deliberately adding raw material with local hardening. In this method, a plastic filament is melted in a movable print head and then applied in layers on the component. The above-mentioned manufacturing methods connect the raw material to the component by means of thermal energy, either by direct heating or by directional lasers.
Open hardware is increasingly important in our world. It enables things like rapid prototyping, desktop manufacturing, robotics for the masses and low cost bioreactors; Arduino boards can now be found everywhere from dolls and wearables to the Large Hadron Collider. A large, skillful, creative community has grown around these technologies. Despite the hype about the third industrial revolution, the Maker community struggles to establish sustainable spaces in which to hack away at their favorite projects. I work for Arduino, and have been personally involved in several projects with this purpose FabLab Torino, Vectorealism and WeMake in Milano… and visited others Metalab Vienna… and talked to their promoters. Even now I am in the process of founding a company to run a makerspace in Milano. It is always tough. Most spaces that have achieved stability so far have done so through the involvement of large organizations, like universities or governments. I would like to lead a workshop on this. The goal would be to try and sketch the business plan of a makerspace in a city like Matera.
Freeing space for metal fabrication
These metrics are regularly updated to reflect usage leading up to the last few days. Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts. The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric. Find more information on the Altmetric Attention Score and how the score is calculated. We report the controlled growth of ultralong single-wall carbon nanotube SWNT arrays using an improved chemical vapor deposition strategy. No catalyst-related residual material was found on the substrates due to the use of a CNT film as the catalyst supporting frame, facilitating any subsequent fabrication of SWNT-based devices. Electrical transport measurements indicated that the electrical characteristics along a single ultralong SWNT were uniform.
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In this process, a large array of helium ion beamlets is formed when a stencil mask containing an array of circular openings is illuminated by a broad beam of energetic 5—8 keV ions, and is used to write arrays of specific repetitive patterns. A commercial 5-micrometer metal mesh was used as a stencil mask; the mesh size was adjusted by shrinking the stencil openings using conformal sputter-deposition of copper.
Measurements of the heat capacity and superfluid fraction of confined 4 He have been performed near the lambda transition using lithographically patterned and bonded silicon wafers. Unlike confinements in porous materials often used for these types of experiments 3 , bonded wafers provide predesigned uniform spaces for confinement. The geometry of each cell is well known, which removes a large source of ambiguity in the interpretation of data.
Journal of Materials Science. Al-Pb-Bi monotectic alloys with three different compositions were melted and solidified under a microgravity environment in the Space Shuttle.