MULTILAYER COATINGS Ti/TiN, Cr/CrN AND W/WN DEPOSITED BY MAGNETRON SPUTTERING FOR IMPROVEMENT OF ADHESION TO BASE MATERIALS

Authors

  • Jakub Horník CTU in Prague Faculty of. Mechanical engineering
  • Stanislav Krum CTU in Prague Faculty of. Mechanical engineering
  • David Tondl CTU in Prague Faculty of. Mechanical engineering
  • Maxim Puchnin CTU in Prague Faculty of. Mechanical engineering
  • Pavel Sachr CTU in Prague Faculty of. Mechanical engineering
  • Ladislav Cvrček CTU in Prague Faculty of. Mechanical engineering

DOI:

https://doi.org/10.14311/AP.2015.55.0388

Keywords:

PVD coatings, magnetron sputtering, tool steel, adhesion, nanoindentation

Abstract

The paper deals with evaluation of single and multilayer layer PVD coatings based on Cr and Ti widely used in tool application. Additionally, W and WN based coating which are not so widespread were designed and deposited as functionally graded material. The coatings properties were evaluated from the point of view of hardness and adhesion. The hardness measuring was carried out using nanoindentation method. The scratch test was performed to test adhesion. Moreover, the presence of metallic interlayer in functionally graded materials further increases the coating adhesion by gradually approaching its composition to the substrate. Coatings consisting of W and WN have showed very good adhesion. With regard to the results of the scratch test, the multilayer coatings of CrN, TiN and WN have increased adhesion and can be assumed to have their protective function improved. Results will be appliedin development of functionally graded layers for functionally graded materials.

Author Biographies

Jakub Horník, CTU in Prague Faculty of. Mechanical engineering

Department of materials engineering

Material diagnostic - metallography electron microscopy

Stanislav Krum, CTU in Prague Faculty of. Mechanical engineering

Department of materials engineering

Material diagnostic - metallography electron microscopy

David Tondl, CTU in Prague Faculty of. Mechanical engineering

Department of materials engineering

Material diagnostic - metallography electron microscopy

Maxim Puchnin, CTU in Prague Faculty of. Mechanical engineering

Department of materials engineering

Material diagnostic and electron microscopy

Pavel Sachr, CTU in Prague Faculty of. Mechanical engineering

Department of materials engineering

Diagnostic materials and coatings  

Ladislav Cvrček, CTU in Prague Faculty of. Mechanical engineering

Department of materials engineering

Diagnostic materials and coatings  

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Published

2015-12-31

Issue

Section

Articles