C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
148/43
C23C 16/26 (2006.01)
Patent
CA 1195592
ABSTRACT A process for carburizing ferrous metal articles in a furnace under an atmosphere derived from an input of nitrogen and ethanol injected into the furnace during the entire cycle. Carburization is controlled in a first embodiment by the control of ethanol and nitrogen mixture and water vapor content of the mixture as well as total flow through the furnace and in a second embodiment by controlling the nitrogen-ethanol mixture to which is added water and an enriching or carburizing agent.
462929
Kaspersma Jelle H.
Shay Robert H.
Air Products And Chemicals Inc.
Mcfadden Fincham
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