Structure and Mechanical Properties of (Cu, Ti) - Binary Metal Doped Diamond-Like Carbon Films

Abstract:

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The composite DLC films doped with different content of Cu, Ti unitary and binary metal have been deposited on stainless steel and silicon substrate using DC-magnetic separation and pulse cathode double-excitation source plasma arc deposition technique. Structural and mechanical properties of the films were investigated by Raman spectroscopy, Atomic Force Microscope, micro-sclerometer and surface profilometer. The results indicated that the hardness and internal stress of Cu-DLC films decrease upon incremental content of copper from 0 to15 at.%. More attractively, a simultaneous improvement of the hardness (31GPa) as well as the release of the internal stress (up to 55%) can be achievable for samples with the relative atomic percentages of Ti and Cu contents of 43.6% and 1.56% respectively.

Info:

Periodical:

Advanced Materials Research (Volumes 150-151)

Edited by:

Jinglong Bu, Zhengyi Jiang and Sihai Jiao

Pages:

217-222

DOI:

10.4028/www.scientific.net/AMR.150-151.217

Citation:

X. H. Jiang et al., "Structure and Mechanical Properties of (Cu, Ti) - Binary Metal Doped Diamond-Like Carbon Films", Advanced Materials Research, Vols. 150-151, pp. 217-222, 2011

Online since:

October 2010

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Price:

$35.00

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