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Selective case hardening processes at low temperature

  • US 6,165,597 A
  • Filed: 08/12/1998
  • Issued: 12/26/2000
  • Est. Priority Date: 08/12/1998
  • Status: Expired due to Term
First Claim
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1. An article comprising:

  • a body comprising a metal alloy;

    a first portion of said body having a first hardness characteristic; and

    a second portion of said body having a second hardness characteristic;

    said second portion being less than the entire body and comprising a carburized surface area substantially free of carbides.

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