Thermal Processing Magazine

Heat Treat Basics: Metal Urgency – Carburizing

/ CARBURIZING NEWS, FEATURED NEWS, MANUFACTURING HEAT TREAT, MANUFACTURING HEAT TREAT NEWS

BOTW-50w  Source:  Thermal Processing Magazine

“While some heat treatments are used to soften the material or improve its machinability, most are processed to obtain strengthened or hardened properties. The majority of heat treatments apply to metallic materials and, typically, the techniques include annealing, normalizing, quenching, tempering, precipitation strengthening, surface hardening, and case hardening. Heat treatment is so critically important that we can safely say a part undergoing extensive manufacturing processes such as melting, rolling, forging, and other related machining is of little or no value without the necessary and appropriate heat treatment.”

Read More:  Metal Urgency –  Carburizing by March Li, Metallurgist

March Li Metallurgist, Manufacturing Heat Treating, Thermal Processing Magazine, CarburizingMarch Li – Metallurgist

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Carburizing vs Nitriding: Treatment Modeling

/ CARBURIZING TECHNICAL CONTENT, NITRIDING TECHNICAL CONTENT

BOTW-50w  Source:  Thermal Processing Magazine

The finite element method can provide insights needed by engineers to calibrate thermal processes, whether it’s carburizing or nitriding, and maximize the benefits of the heat treatment.

Carburizing and nitriding treatments have the same goal: increase hardness on the surface while keeping the core ductility. Carburizing is a process where the part is placed in a confined environment regulated by its carbon content. By adjusting the parameters such as temperature and time, the carbon will diffuse into the part to a certain thickness. While the carbon content (%C) is fairly known at the locations where the carbon has diffused, it is harder to anticipate how far the carbon has diffused. The nitriding process uses the same concept but with nitrogen instead of carbon. The simulation of this process is helpful for the engineer to optimize the process. This article presents two examples to illustrate the carburizing and nitriding heat treatment processes.

Read more: Carburizing and Nitriding Treatment Modeling by Nicolas Poulain

 

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