When people think of chemistry, the image that typically comes to mind is a variety of colored liquids in beakers, flasks, and test tubes in a lab. But in actual practice, chemistry can involve materials in all states: liquids, gases, and even solids.
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Scientists at the Critical Materials Innovation (CMI) Hub, led by the U.S. Department of Energy’s Ames National Laboratory, have developed a new process, mech
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IMAGE: The Critical Materials Institute has developed a low-cost, high performance permanent magnet by drawing inspiration from an out-of-this-world source: iron-nickel alloys in meteorites. view more
Credit: photo credit: U.S. Department of Energy Ames Laboratory
The U.S. Department of Energy s (DOE s) Critical Materials Institute has developed a low-cost, high performance permanent magnet by drawing inspiration from an out-of-this-world source: iron-nickel alloys in meteorites. The magnet rivals widely used Alnico magnets in magnetic strength and has the potential to fill a strong demand for rare-earth- and cobalt-free magnets in the market.
Here on earth, the strongest permanent magnets are ones containing the rare earth element neodymium - NdFeB magnets. Next strongest are Samarium-Cobalt, or SmCo magnets. Before rare-earth magnets were developed in the 1970s, the strongest magnets were made of aluminum-nickel-cobalt, or Alnico, which are still in w