Product and process by localized heat treatment of sheet steel

Product and process by localized heat treatment of sheet steel

  • CN 103,703,152 A
  • Filed: 07/25/2012
  • Published: 04/02/2014
  • Est. Priority Date: 07/25/2011
  • Status: Active Application
First Claim
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1. by a technique for the partial heat treatment of the steel sheet component can hardened Fe alloy forming, comprising:

  • Steel sheet component is provided;

    Laser beam is projected on described steel sheet component;

    Thereby provide the relative movement between described laser beam and described steel sheet component to make described laser beam along scanning direction scanning, stride across the predetermined portion of described steel sheet component, described laser beam has following power;

    described power is selected to the material in described predetermined portion is heated to the temperature that austenitizing changes;

    Described laser beam flying is striden across in the process of described predetermined portion, to being positioned at described predetermined portion and following the material application exterior cooling source after described laser beam closely along the described scanning direction of described laser beam, described exterior cooling source is selected as with the cooling described material of enough fast speed, thereby form, is substantially limited to the local hardening region in described predetermined portion;

    AndAfter application described exterior cooling source, allow material cooled in the described predetermined portion of described steel sheet component to envrionment temperature.

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