• Rare-earth magnet - Wikipedia

    Neodymium magnets, invented in the 1980s, are the strongest and most affordable type of rare-earth magnet. They are made of an alloy of neodymium, iron, and boron (Nd ...

  • magnetite cost mining - rrcser.in

    Eco-efficient and cost-effective process design for magnetite iron ore ... Feb 24, 2015 ... Magnetite iron ore requires significant beneficiation, which typically ...

  • cost for magnetite - ititalcher

    processing cost difference hematite magnetite. hematite magnetite beneficiation difference - aadccoin Eco-efficient and cost , What is the difference between ...

  • Magnet - Wikipedia

    However, a new low cost magnet, Mn-Al alloy, has been developed and is now dominating the low-cost magnets field.