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Controlled atmosphere chambers are used to control the surface chemistry of the metals that are being processed. This article focuses on the various types of controlled atmospheres used in induction heat treating and brazing, namely, inert gas atmospheres based on argon and helium; prepared and commercial nitrogen-base atmospheres; and brazing atmospheres. It provides detailed information on two types of controlled atmosphere chambers: atmosphere and vacuum. The article also describes the selection factors, advantages, and disadvantages of these chambers.

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Scott Larrabee, Controlled Atmosphere Chambers, Induction Heating and Heat Treatment, Vol 4C, ASM Handbook, Edited By Valery Rudnev, George E. Totten, ASM International, 2014, p 691–700,

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