gas carburizing process

This can be achieved by the case-hardening process. Although the balance of all measurements (not reported here) supported this conclusion, microstructural analysis was conducted to characterize the microstructure (Figures 5–7) before and after etching [4]. Tempering or at least stress relieving is usually done after sinter hardening. H. Danninger, ... S. Strobl, in Advances in Powder Metallurgy, 2013. Sarhan, in Recent Advances in Structural Integrity Analysis - Proceedings of the International Congress (APCF/SIF-2014), 2014. We use cookies to help provide and enhance our service and tailor content and ads. Ternary chemical bonding among metals and nonmetals (B, C, N, Si) has been explored [161]. The Endocarb system is designed to both produce a protective atmosphere and an atmosphere having a high carbon potential for carburizing [1]. Carbon content was analyzed for each of the samples sent to a commercial heat treater whose furnace was equipped with an EndoCarb unit installed on it, namely Euclid Heat Treating (Euclid, Ohio) [3] as well as those run at Oerlikon Fairfield. The Endocarb system creates atmosphere through the use of a constant flow of air and adjusting the flow of hydrocarbon gas. The gas dissociates catalytically at the hot steel surface to generate elemental carbon atoms. Steel suitable for case-hardening is referred to as case-hardening steel. The carbon potential at 925ºC can reach almost 1.5 percent before the Endocarb system determines that the gas is “over saturated.” Once this determination is made, the amount of endo gas being supplied by the generator is greatly reduced, and the carbon potential lowers to about 0.8 percent. The Endocarb system acts to create and control the furnace atmosphere. The parts were furnace-cooled after carburizing from both processes, then reheated and quenched in the same furnace to eliminate any difference related to the quenching process. Necessary cookies are absolutely essential for the website to function properly. Parts from both techniques were tested by Oerlikon Fairfield and Euclid Heat Treating respectively, and independently by The HERRING GROUP, Inc. (Elmhurst, Illinois). Recent progress in three areas of induction-heating technology. E. Zalnezhad, A.A.D. 22. Low-carbon, and low alloy steels are most common. Since the air flow remains constant, this creates a “lean” gas. Computerized Design of Straight Bevel Gears with Optimized Profiles for Forging,... Case Study: Busch LLC and Vakuum-Harterei Petter GmbH. Gears, shafts, and other parts for heavy machinery experience wear, fatigue, corrosion, and other service-related issues during their lifetimes.

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