Article | REF: M1220 V1

Heat treatment atmospheres

Authors: Patrick COPPIN, Benoît LHOTE, Meryem BUFFIN, Serban CANTACUZÈNE

Publication date: March 10, 2000

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10. Plasma- or ion-assisted treatments

The two main industrial uses of ion treatments are ion carburizing and ion nitriding.

10.1 Principle and implementation of ionic processes

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10.1.1 Ion cementation

Ion cementation is a low-pressure (100 to 1,000 Pa) surface treatment process using a glow discharge to dissociate a hydrocarbon into ions and/or ionized molecules. These active ionized species are accelerated towards the parts to be treated and implant themselves on the surface. Under the effect of temperature, the carbon thus...

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