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Magnetic particles and compacts thereof

  • US 4,177,089 A
  • Filed: 04/24/1978
  • Issued: 12/04/1979
  • Est. Priority Date: 04/27/1976
  • Status: Expired due to Term
First Claim
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1. Magnetic powders for compaction into cores consisting essentially of a blend of(1) 30 to 70% by weight iron particles, and(2) 70 to 30% by weight particles of an iron alloy consisting essentially of 7 to 13% by weight silicon, 4 to 7% by weight aluminum and the balance being iron,said particles containing a coating of an electrical insulator thereon to electrically insulate each of the particles from the other.

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