A New X-ray Method For Residual Stress Evaluation In Coatings
Author(s)
M. Gelfi, E. Bontempi, V. Rigato, A. Patelli, A. Guizzi, R. Roberti,
M. Tosti & L.E. Depero
Abstract
A new X-ray method for residual stress
evaluation in coatings
M. elf?, E. ~ o n t e m ~ i ' , V. Rigato2, A. patelli2, A. ~uizzi',
R. Robertil, M. ~ o s t i ~ & L.E. ~ e ~ e r o '
I INSTM and Dipartimento di Ingegneria Meccanica, Brescia University,
Italy
2 INFN,Laboratori Nazionali di Legnaro (Pd), Italy
3 SPIN Srl S. Casciano V. P. (Fi), Italy
Abstract
Transition metal nitride coatings films such as TiN or ZrN have been extensively
studied for industrial applications. Residual stresses of the coatings generally
affect the mechanical behaviour and the corrosion resistance and hence the
performance of the product. The development of new, fast and simple methods
for the assessment of residual stresses is then of great importance for coating
technologies. In this paper a new method for X-ray residual stress calculation is
proposed. Ths method is based on the analysis of the Debye rings obtained with
2D detectors. In particular, preliminary results concerning ZrN decorative
coatings that are exp
Keywords
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