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Thermomechanical processing of high strength non-magnetic corrosion resistant material

  • US 9,192,981 B2
  • Filed: 03/11/2013
  • Issued: 11/24/2015
  • Est. Priority Date: 03/11/2013
  • Status: Active Grant
First Claim
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1. A method of processing a non-magnetic alloy workpiece, comprising:

  • heating the workpiece to a warm working temperature;

    open the press forging the workpiece to impart a desired strain to a central region of the workpiece; and

    radial forging the workpiece to impart a desired strain to a surface region of the workpiece;

    wherein after the open die press forging and the radial forging, the strain imparted to the central region and the strain imparted to the surface region are each in a range of from 0.3 inch/inch to 1.0 inch/inch;

    wherein a difference in strain from the central region to the surface region is not more than 0.5 inch/inch.

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