Chapter 5: Carburizing and Hardening Gears
The primary objective of carburizing and hardening gears is to secure a hard case and a relatively soft but tough core. For this process, low-carbon steels (up to a maximum of approximately 0.30% carbon), either with or without alloying elements (nickel, chromium, manganese, molybdenum), normally are used. The processes involved in hardening, tempering, recarburizing, and cold treatment of carburized and quenched gears are discussed. Next, the chapter reviews the selection of materials for carburized gears and considerations related to carbon content, core hardness, and microstructure. This is followed by sections discussing some problems that can be experienced in the...
Carburizing and Hardening Gears, Heat Treatment of Gears: A Practical Guide for Engineers, By A.K. Rakhit, ASM International, 2000, p 33–132, https://doi.org/10.31399/asm.tb.htgpge.t67320033
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