Exploitable results
The prototype allows combination of plasma carburinzing and high pressure gas quenching processes in 1 chamber. The furnace is built for pressures of nitrogen up to 10 bar and of helium and hydrogen up to 20 bar. Detailed investigations on evenness of carburizing and quenching have been carried out. The cooling rates of hydrogen are comparable to oil. Carbon mass transfers of about 100 g/m{2}/h into the treated parts. Due to the heat treatment without oxygen-containing atmospheres, there is no internal oxidation ascertainable.
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