Steel Heat Treating Technologies
Furnace Atmosphere Controls in Heat Treating
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Published:2014
Abstract
The atmosphere within a furnace chamber is a basic factor in achieving the desired chemical reactions with metals during heat treating. This article presents the fundamentals of heat treating atmospheres, and describes two groups of atmosphere control, namely, furnace atmosphere control and supply atmosphere control. The two basic types of atmospheric supply systems are generated atmospheres and nitrogen-base atmospheres. The article provides a brief overview of the gas reactions associated with oxidation and carbon control to ensure either carburization, or to prevent decarburization. It demonstrates how the carbon potential control is achieved by controlling water vapor concentration, carbon dioxide...
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Member Sign InJim Oakes, John Lutz, Furnace Atmosphere Controls in Heat Treating, Steel Heat Treating Technologies, Vol 4B, ASM Handbook, Edited By Jon L. Dossett, George E. Totten, ASM International, 2014, p 135–151, https://doi.org/10.31399/asm.hb.v04b.a0005928
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