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Ferrofluid on glass, with a rare-earth magnet underneath. A rare-earth magnet is a strong permanent magnet made from alloys of rare-earth elements.Developed in the 1970s and 1980s, rare-earth magnets are the strongest type of permanent magnets made, producing significantly stronger magnetic fields than other types such as ferrite or alnico magnets.
84 Lumber is an operated American building materials supply company. Founded in 1956 [ 2 ] by Joseph Hardy , it derives its name from the unincorporated village of Eighty Four, Pennsylvania , a census-designated place 20 miles (32 km) south of Pittsburgh , where its headquarters are located.
Magnetostriction is a property of magnetic materials that causes them to change their shape or dimensions during the process of magnetization.The variation of materials' magnetization due to the applied magnetic field changes the magnetostrictive strain until reaching its saturation value, λ.
When storing multiple cards in one place, ensure the magnetic strips are facing away from each other. This includes storing them in your wallet. Prolonged exposure to other magnetic items can ...
This magnetic energy value is about 18 times greater than "ordinary" ferrite magnets by volume and 12 times by mass. This magnetic energy property is higher in NdFeB alloys than in samarium cobalt (SmCo) magnets, which were the first type of rare-earth magnet to be commercialized. In practice, the magnetic properties of neodymium magnets depend ...
Large self-supporting wooden roof built for Expo 2000 in Hanover, Germany. Engineered wood, also called mass timber, composite wood, man-made wood, or manufactured board, includes a range of derivative wood products which are manufactured by binding or fixing the strands, particles, fibres, or veneers or boards of wood, together with adhesives, or other methods of fixation [1] to form ...
A samarium–cobalt (SmCo) magnet, a type of rare-earth magnet, is a strong permanent magnet made of two basic elements: samarium and cobalt.. They were developed in the early 1960s based on work done by Karl Strnat at Wright-Patterson Air Force Base and Alden Ray at the University of Dayton.
Below this transition temperature it exhibits a set of complex magnetic phases [16] [17] that have long spin relaxation times and spin glass behavior. [18] Neodymium is a rare-earth metal that was present in the classical mischmetal at a concentration of about 18%.
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