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Cobalt Substitution In Cemented Carbides Guided By ICME

  • : Martin Walbrühl1, John Ågren1, Annika Borgenstam1, David Linder1
  • : 1KTH Royal Institute of Technology
  • : PDF Download
  • : 2016

Abstract

The increasing availability of models and growing acceptance of ICME (Integrational Computational Materials Engineering) methods may create a new attitude in materials development towards tailor-made material properties for a wide range of applications. New EU regulations may affect the traditional W-C-Co based cemented carbides. It might be necessary to replace or minimize the usage of Cobalt and alternative binder materials are needed. The computational Materials Design approach offers a way to optimize the properties of prospective binder candidates virtually; reducing the development time and costs drastically compared to a classical trial-and-error method. As one of the mechanical key properties, the cemented carbide hardness is closely related to the binder material. Furthermore, the high temperature hardness is especially relevant for metal cutting applications and experimentally costly to investigate. Modelling the influence of alternative binder materials on the hardness is thus of great industrial and academic interest.

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