Physical vapor deposited (PVD) coatings have low effective stiffness (as compared to the bulk material) in directions parallel to the substrate. It increases with an increasing residual compressive stress. A simple micromechanical model, based on the contact problem, is constructed that explains the observed behavior. Quantitative characterization of microstructure relevant for is developed.
On the Elastic Properties of PVD Coatings in Relation to Their Microstructure
Contributed by the Materials Division for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received by the Materials Division February 7, 2001; revised manuscript received September 7, 2001. Associate Editor: A. Sastry.
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Sevostianov, I., Kachanov, M., and Ruud, J. (March 26, 2002). "On the Elastic Properties of PVD Coatings in Relation to Their Microstructure ." ASME. J. Eng. Mater. Technol. April 2002; 124(2): 246–249. https://doi.org/10.1115/1.1446074
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