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Statistical Analysis of Nanoimpact Testing of Hard CrAl(Si)N Coatings

Published online by Cambridge University Press:  03 August 2011

A. Mosquera ,
L. Mera ,
G.S. Fox-Rabinovich ,
A. Martínez ,
I. Azkona  and
J. L Endrino
A. Mosquera
Affiliation:
Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Científicas, E-28049 Madrid, Spain
L. Mera
Affiliation:
AIMEN, C/Relva, 27 A, Torneiros, 36410 Porrino, Pontevedra, Spain
G.S. Fox-Rabinovich
Affiliation:
Department of Mechanical Engineering, McMaster University, McMaster University 1280 Main St. W., Hamilton, Ont., Canada L8S 4L7
A. Martínez
Affiliation:
AIN-Centro de Ingeniería Avanzada de Superficies, Cordovilla, E-31191 Pamplona, Spain
I. Azkona
Affiliation:
Metal Estalki, Polígono Ugaldeguren 1 Ctra. Santo Domingo 4 Bis, Derio, 48160 Vizcaya, Spain
J. L Endrino*
Affiliation:
Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Científicas, E-28049 Madrid, Spain
*
*Corresponding author: JoseLuisEndrinoMRSS11@scholarone.com
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Abstract

Statistical studies involving the fracture behavior of coatings can play an important role in the mechanical analysis of films employed in the hard coating industry. In this study, Nanoimpact tests using a cube corner indenter were carried out in various CrAl(Si)N coatings for the quantitative assessment of properties of coatings like non-catastropic failure time and catastrophic failure time. These parameters decrease in value as silicon is incorporated in coatings, showing that this addition results in a decrease in ductility. Scanning electron microscope images were taken to the analyzed coatings exhibiting the residual imprints after nanoimpact test that were correlated with the fracture behavior of CrAl(Si)N coatings.

Keywords

plasma depositionmachiningfracture
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1339: Symposium S – Plasma-Assisted Materials Processing and Synthesis , 2011 , mrss11-1339-s05-02
Copyright
Copyright © Materials Research Society 2011

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References

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