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secondary hardening [1 record]

Record 1 1997-05-08

English

Subject field(s)
  • Metal Quenching
DEF

The hardening of certain alloy steels at moderate temperatures (250-650°C) by the precipitation of carbides; the resultant hardness is greater than that obtained by tempering the steel at some lower temperature for the same time.

French

Domaine(s)
  • Trempe (Métal)
DEF

Durcissement de certains aciers alliés à la suite d'un revenu réalisé dans un intervalle de température convenable. La courbe de dureté en fonction de la température de revenu présente alors un maximum. Ce durcissement est généralement associé à un phénomène de précipitation.

Spanish

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