FOR QUOTEWORLDWIDE MANUFACTURER and  DISTRIBUTOR Since 1941 Magnetic Shield Corporation, a division of Perfection Mica Company, is the premier supplier of custom magnetic shielding alloys and custom Built shields. Magnetic Shield Corporation provides fabricated shields to thousands of customers worldwide. Ask us about Design Reviews and Site Surveys --- we can assist you now with our Engineering expertise and support. Send quote requests with drawings or specifications to us, or contact our Engineering Department with any specific questions. Future astronauts could benefit from a magnetic "umbrella" that deflects harmful space radiation around their crew capsule, scientists say. The super-fast charged particles that stream away from the Sun pose a significant threat to any long-duration mission, such as to the Moon or Mars. But the research team says a spaceship equipped with a magnetic field generator could protect its occupants.
The approach mimics the protective field that envelops the Earth, known as the magnetosphere.
Our star is a constant source of charged particles, and storms that arise on the Sun's surface result in huge numbers of these particles spilling into space. As well as this plasma, or "solar wind", high velocity particles known as cosmic rays also flood through our galaxy.


The Earth's magnetosphere deflects many of these particles that rain down on the planet, and our atmosphere absorbs most of the rest. International space agencies acknowledge that astronauts face a significant risk of ill health and even death if they experience major exposure to this harsh environment. But researchers from the Rutherford Appleton Laboratory (RAL), the Universities of York and Strathclyde, and IST Lisbon have shown how it might be possible to create a portable mini-magnetosphere for spaceships.
In its experimental set-up, the team simulated the solar wind in the laboratory and used magnetic fields to isolate an area inside the plasma, deflecting particles around the "hole".
The team has had to take into account the physics of plasmas at the comparatively tiny human scale. Many more experiments are needed, Dr Bamford admits, to understand how best to harness the effect; and a practical implementation is probably 15 to 20 years away.
To protect a spaceship and its crew, she said, the craft itself might carry the magnetic field generator. The approach will probably also work with a field that is not on constantly, but cycles on and off - conserving the power that is precious on long-term missions.
For fabricated shields, we use MuMETAL® Stress Annealed Alloy - see more about our material selection below. A solar flare crippled the electronics on Japan's mission to Mars, Nozomi, in 2002, for example.


Alternatively, it was possible to envisage a constellation of accompanying ships dedicated to the purpose of providing the umbrella where it was needed most.
If you need a prototype shield made, our shop can fabricate it and Perfection Anneal it for you. Our machine shop hand-crafts an accurate sample using machine shop equipment and stock tooling.
Whether you need one prototype or hundreds for validation testing, send your sketch or drawings here so we may provide you with a timely quote. For production quantities, contact our Sales Department for annual or production volume pricing. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.



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