Views: 25 Author: Site Editor Publish Time: 2019-12-28 Origin: Site
Type of vacuum heat treatment
Vacuum annealing: eliminate and reduce the heterogeneity of tissue, remove internal stress and improve its plasticity.
Vacuum tempering: eliminates internal stress during machining.
Vacuum quenching :(gas quenching, oil quenching) fast cooling after heating to harden the material,
Vacuum carburizing: carburizing is performed in vacuum heating and in a negative pressure carburizing atmosphere.
Vacuum ion carburizing: a new vacuum chemical treatment for hardening of metal surfaces.
Vacuum chemical heat treatment: vacuum carbonitriding, vacuum boronizing and other processes (being perfected).
Vacuum glow ion nitriding: generally ion nitriding under high voltage dc field.
Vacuum metallization: metallization in vacuum by high pressure.
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