Definition
Transformation hardening is a more general term used for martensitic hardening, being one of the most important processes in heat treatment of steels. The bainitic transformation shall not be discussed in this context, although it might be considered transformation hardening. The martensitic transformation occurs if carbon or low-alloy steels are quenched sufficiently fast from the face-centered cubic austenitic (γ) phase below the martensite start temperature Ms.
Overview
The process of martensitic hardening, in particular surface hardening, is widely used in industry in order to increase the fatigue strength of components, stressed under load-free (e.g., bending) and load-bound surfaces (e.g., Hertzian pressure) as well as to improve their wear resistance [1]. In the automotive as well as aircraft industry, the majority of load-bearing components are surface hardened due to the high increase in loading capability, allowing a minimum of material usage (lightweight) or a...
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Schwenk, M. (2014). Transformation Hardening in Steel. In: Hetnarski, R.B. (eds) Encyclopedia of Thermal Stresses. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-2739-7_464
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DOI: https://doi.org/10.1007/978-94-007-2739-7_464
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