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Thermal Properties of Magnetron Sputtered TiN And TiAlN Thin Films on HSS

Published online by Cambridge University Press:  15 February 2011

E. Lugscheider ,
O. Knotek ,
C. Barimani ,
H. Zimmermann  and
M. Lake
E. Lugscheider
Affiliation:
Aachen University of Technology, Materials Science Institute, Aachen, Germany
O. Knotek
Affiliation:
Aachen University of Technology, Materials Science Institute, Aachen, Germany
C. Barimani
Affiliation:
Aachen University of Technology, Materials Science Institute, Aachen, Germany
H. Zimmermann
Affiliation:
Aachen University of Technology, Materials Science Institute, Aachen, Germany
M. Lake
Affiliation:
Aachen University of Technology, Materials Science Institute, Aachen, Germany
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Abstract

Increasing demands on production processes in terms of performance, reliability and environmental compatibility shape the specification profile for modem wear resistant coating systems. The specification of PVD coated cutting tools by the parameters hardness, wear and frictional behavior, chemical structure or chemical resistance are already known and inspected by small scale tests, e.g. pin on disc or taber abraser test. Hitherto the thermophysical properties of thin film PVD coatings were not characterized completely although the investigation of the thermal diffusivity of coated substrates give information about the thermal barrier function of the deposited coating.

To determine the thermophysical properties of PVD coatings the Jenoptik Thermal Wave Inspection (TWIN) can be used. This nondestructive and contactless measuring system is based on the photothermal spectroscopy. In this paper fundamentals of the TWIN measuring technique are presented as well as first TWIN results of investigated MSIP TiN and TiAlN coated and oxidized high speed steels.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 436: Symposium CC – Thin Films Stresses and Mechanical Properties VI , 1996 , 317
Copyright
Copyright © Materials Research Society 1997

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References

1. Barth, A., Oxidationsverhalten metastabiler (Ti1-x Alx) N-Schichten, doctoral thesis, Aachen University of Technology, 1994 Google Scholar
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