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Characterization of Diamond Like Carbon Thin Coating on Stainless Steel 316 L Through Pulsed DC Technique

Published online by Cambridge University Press:  01 February 2011

E. Rojas  and
F. Maass
E. Rojas
Affiliation:
Departamento de Ingeniería Mecánica, Universidad de Antofagasta, Av. Angamos 601, Antofagasta Chile.
F. Maass
Affiliation:
Departamento de Física, Universidad de Antofagasta, Ave. Angamos 601, Antofagasta Chile. Email: Emerson.rojas@uantofagasta.cl
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Abstract

The study focuses on the adhesion and friction coefficient of DLC (Diamond Like Carbon) coating on a metallic surface AISI-316L. A DC technique was used in order to develop DLC coatings, while a silicon interface allowed a better adhesion of those coatings, having variations of time during the deposit to allow different thickness in anchoring coating. The adhesion and friction coefficient were measure through Scratching Test while the sheets were analyzed through Atomic Force Microscope (AFM) to visualize its surface morphology. Besides, it was used Raman spectroscopy to study sp3/sp2 ratio of DLC coatings. The tests show that the sample with the largest period of time of deposit has a better adhesion and the highest surface roughness.

Keywords

AdhesionRaman spectroscopysteelPECVDmorphology
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1275: Structural and Chemical Characterization of Metals, Alloys and Compounds , 2010 , S3-P97
Copyright
Copyright © Materials Research Society 2010

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