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Lágyító hőkezelés magas széntartalmú acéloknál

Főként magas széntartalmú acéloknál alkalmazzák a keménység csökkentésére és az alakíthatóság növelésére. A munkadarabot kissé a kritikus alsó hőmérséklet fölé melegítik, majd lassan hűtik.

A folyamat szferoidizált (spheroidized) szerkezetet eredményez.

Hőmérsékleti tartomány:

  • 650–750 °C

Használt ipari kemencetípusok:

  • Kamrakemence
  • Harangkemence
  • Szabályozott atmoszférás kemence

Alkalmazások:

Szerszámacélok megmunkálás előtt

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