Chapter 8: Carbonitriding Gears
Carbonitriding is a process in which carbon and alloy steel gears are held at a temperature above the transformation range in a gaseous atmosphere of such composition that the steel absorbs carbon and nitrogen simultaneously. The gears are then cooled at a specific rate to room temperature that produces the desired properties. Carbonitriding is generally regarded as a modified gas carburizing process, rather than a form of nitriding. This chapter briefly describes the case depth that can be achieved with carbonitriding, how case depth is measured, and the materials and applications that are suitable for carbonitriding.
Carbonitriding Gears, Heat Treatment of Gears: A Practical Guide for Engineers, By A.K. Rakhit, ASM International, 2000, p 171–173, https://doi.org/10.31399/asm.tb.htgpge.t67320171
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