Chapter 5: Furnace Equipment and Control Systems
This chapter provides a discussion of nitriding furnace equipment and control systems. The discussion covers the essential design criteria of the furnace, types of nitriding furnaces, insulation for the reduction of furnace heat losses, and factors influencing furnace configuration and design. It also covers the processes involved in the construction and maintenance of retorts, methods for sealing a retort to prevent ammonia leaks, and safety precautions to be taken while using ammonia. Further, the chapter provides information on the factors for choosing a heating medium and discusses the processes involved in controlling temperature, gas dissociation, oxygen probes, and nitriding sensors.
Furnace Equipment and Control Systems, Practical Nitriding and Ferritic Nitrocarburizing, By David Pye, ASM International, 2003, p 39–52, https://doi.org/10.31399/asm.tb.pnfn.t65900039
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