High energy product rare earth-iron magnet alloys

  • US 4,851,058 A
  • Filed: 09/03/1982
  • Issued: 07/25/1989
  • Est. Priority Date: 09/03/1982
  • Status: Expired due to Term
First Claim
Patent Images

1. A magnetically hard alloy composition comprised of at least about 10 to about 40 atomic percent neodymium, praseodymium or mixtures thereof;

  • at least about 50 to about 90 atomic percent iron and from about 0.5 to 10 atomic percent boron.

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