Guide to complete mechanical characterization of hard coatings for cutting tools
Hard coatings are used to increase the hardness and wear resistance of cutting tools and other devices. The coatings are applied via PVD or CVD and they are typically several micrometers thick. Among the most important coatings are TiAlN, CrN, TiN, DLC, ZrN and TiCN. All these coatings have to show good adhesion and high hardness in order to ensure high wear resistance. It is also important to know their coefficient of friction and how do they resist wear to avoid unnecessary heat generation and failure due to wear. This webinar will demonstrate the methods for measuring adhesion and scratch resistance, hardness, friction and wear as well as thickness of hard coatings in the tooling industry.
The main topics will be:
- Adhesion and scratch resistance by the scratch testing
- Measurement of hardness and elastic modulus by instrumented indentation
- Simulation of friction and wear of hard coatings by pin-on-disk tribology
- Thickness measurement by Calotest
1970-01-01, 02:00 - 02:00 (CET UTC+01:00)
Trainer: Jiří Nohava, PhD.
Jiri Nohava is the Head of Product Competence & Lead Application Scientist of the Mechanical Surface Characterization unit at Anton Paar. He obtained his PhD in materials science at the Czech Technical University in Prague. He joined Anton Paar in 2007 and has become a specialist in instrumented indentation and tribology in various domains. His main task is development of new applications with Anton Paar instruments in scientific and industrial projects. He regularly publishes in peer-reviewed journals and participates in international conferences.
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