Radiation solutions are traditionally associated with long lead times and high costs of testing; they remain to be a bottleneck for space missions. Videos, About us Links Latest features ", "At the same time, the coating is less bulky than a shielding box," Hayes says. In Space Talos, we are committed to providing clear and affordable radiation solutions to our customers. To protect against this, all devices that may be exposed to radiation – such as devices used in spacecraft – must incorporate radiation shielding. There are more than 25 different mitigation and rad-hardening methods and not a single decision making tool to help decide which approach fits each mission best. Scientists have developed a new way of shielding electronics in military and space exploration technology from ionising radiation. Semiconducting materials, used in satellites electronics and solar panels, are the second most susceptible materials, after biological ones, to radiation damage. Life on Earth is protected from the full impact of solar and cosmic radiations by Earth’s geomagnetic field, but as we travel beyond Earth low orbits, exposure to radiation levels increases significantly. To protect against this, all devices that may be exposed to radiation â such as devices used in spacecraft â must incorporate radiation shielding. solar panels). Current shielding methods, that add metal layers around sensitive electronics, mitigate the radiation damage only in part and are not always practical (eg. The Radiation Shielding Program is examining new shielding materials that not only block and/or fragment more radiation than aluminum -- the material currently used to build most spacecraft structures -- but also are lighter than aluminum. The search for these materials is underway by the Radiation Shielding Program -- part of a strategy of the NASA Office of Biological and Physical Research to limit space crews' radiation exposure. Radiation shielding technologies for new space. "Our approach can be used to maintain the same level of radiation shielding and reduce the weight by 30% or more, or you could maintain the same weight and improve shielding by 30% or more â compared to the most widely used shielding techniques," says Rob Hayes, co-author of a paper on the work and associate professor of nuclear engineering at North Carolina State University. Semiconducting materials, used in satellites electronics and solar panels, are the second most susceptible materials, after biological ones, to radiation damage. We use cookies to ensure that we give you the best experience on our website. Computers & the Internet "This could potentially reduce the need for conventional shielding materials on space-based electronics," adds DeVanzo, who works at Lockheed Martin Space. Life on Earth is protected from the full impact of solar and cosmic radiations by Earth’s geomagnetic field, but as we travel beyond Earth low orbits, exposure to radiation levels increases significantly. "Radiation transport calculations show that inclusion of the metal oxide powder provides shielding comparable to a conventional shield," explains Mike DeVanzo, former graduate student at NC State and first author on the work. The new technique relies on mixing oxidised metal powder â rust â into a polymer, and then incorporating it into a common conformal coating on the relevant electronics. On top of that, the oxide particulate is much less expensive than the same amount of the pure metal.". Radiation solutions are traditionally associated with long lead times and high costs of testing; they remain to be a bottleneck for space missions. Military & War Forum The paper, "Ionizing Radiation Shielding Properties of Metal Oxide Impregnated Conformal Coatings," is published in the journal Radiation Physics and Chemistry. Biology & Medicine Data & trends Semiconducting materials, used in satellites electronics and solar panels, are the second most susceptible materials, after biological ones, to radiation damage. The researchers are continuing to test and fine-tune their shielding technique for use in various applications. Beyond 10,000 AD Against trapped particles, the industry uses fabrication processes that are up to twenty years old and significantly reduce performance, increase cost and power consumption in comparison to currently used electronic components. This has been viewed as the best trade-off between a shield's weight and the protection it offers. I. n Space Talos, we are committed to providing clear and affordable radiation solutions to our customers. Latest predictions "And in computational simulations, the worst performance of the oxide coating still absorbed 30% more radiation than a conventional shield of the same weight. "At low energies, the metal oxide powder reduces both gamma radiation to the electronics by a factor of 300 and the neutron radiation damage by 225%. 22nd century Current shielding methods, that add metal layers around sensitive electronics, mitigate the radiation damage only in part and are not always practical (eg. Interviews Home & Leisure Ionising radiation can cause significant problems for electronic devices. Against trapped particles, the industry uses fabrication processes that are up to twenty years old and significantly reduce performance, increase cost and power consumption in comparison to currently used electronic components. Physics solar panels). solar panels). Polls Business & Politics Latest blogs The new approach allows cheaper, more effective, lightweight materials, and the secret ingredient is... rust. Weight is a significant factor in designing aerospace technologies, and the shielding most commonly found in aerospace devices consists of putting an aluminium box around any sensitive technologies. Current shielding methods, that add metal layers around sensitive electronics, mitigate the radiation damage only in part and are not always practical (eg. Society & Demographics Ionising radiation can cause significant problems for electronic devices. Spacecraft designers have to be able to shape shielding materials to make various parts of the spacecraft. Press releases, 21st century If you continue to use this site we will assume that you are happy with it. "Either way, our approach reduces the volume of space taken up by shielding.". Contact us Energy & the Environment The far future Transport & Infrastructure, Artwork Nanotechnology Space In Space Talos, we are committed to providing clear and affordable radiation solutions to our customers. "We're now looking for industry partners to help us develop the technology for commercial use," Hayes says. Beyond 1 million AD, AI & Robotics There are more than 25 different mitigation and rad-hardening methods and not a single decision making tool to help decide which approach fits each mission best. To build better shields, you need new materials and a better understanding of the physics of the particle interactions with different materials. Social media, © Will Fox 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, Ionizing Radiation Shielding Properties of Metal Oxide Impregnated Conformal Coatings. "Either way, our approach reduces the volume of space taken up by shielding." There are more than 25 different mitigation and rad-hardening methods and not a single decision making tool to help decide which approach fits each mission best.
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