CIRP Encyclopedia of Production Engineering

Living Edition
| Editors: The International Academy for Production Engineering, Sami Chatti, Tullio Tolio

Grind-Hardening

  • Konstantinos SalonitisEmail author
Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-35950-7_16848-1

Synonyms

Definition

Grind-hardening is a hybrid process that combines material removal and surface hardening of a steel workpiece at the same time. The heat dissipated in the cutting area is used for the heat treatment of the workpiece (Salonitis 2015a). For the grind-hardening of a workpiece, the generated heat in the interface between the grinding wheel and the workpiece material and the subsequent cooling of the material need to be controlled. The metallurgic change required for hardening thus is achieved in two steps: firstly, heating the workpiece surface above the austenitization temperature, and secondly afterwards rapidly cooling (quenching) the material for inducing martensitic transformation in the workpiece surface.

By using the grind-hardening process, several processing steps that are expected to take place when producing a component, such as conventional heat treatment, can be eliminated as shown in Fig. 1.
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References

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Copyright information

© CIRP 2017

Authors and Affiliations

  1. 1.Manufacturing DepartmentCranfield UniversityCranfieldUK

Section editors and affiliations

  • Konrad Wegener
    • 1
  1. 1.Institut für Werkzeugmaschinen und Fertigung (IWF)ETH ZürichZürichSwitzerland