Paper Title:
Mechanical Properties of Ti-Doped DLC Multilayer by Pulse Cathodic Arc Deposition
  Abstract

To reduce the internal stress and obtain thicker DLC film, a multilayer structure DLC comprised of Ti-doped nanolayer were deposited on Titanium alloy substrate by pulse cathodic arc technology, the Ti content is decreased from bottom to top layer. And the surface layer is carbon deposited with ion–assist deposition. The chemical composition of the films was determined using X-ray photoelectron spectroscopy (XPS). The film structure was characterized by Raman spectroscopy. Other properties of the films are evaluated by Dektak 8 Stylus Profilometer, nano-hardness tester and reciprocating sliding wear tester. And the thickness, hardness, and friction coefficient of two samples are 2.2μm, 1.5μm, 5200Hv, 5500Hv, and 0.09, respectively. The internal stress, calculated by Stoney’s equation, is 2.2GPa, 2.1GPa. And the adhesion strength is 40N/mm2, 35N/mm2.

  Info
Periodical
Advanced Materials Research (Volumes 97-101)
Edited by
Zhengyi Jiang and Chunliang Zhang
Pages
941-946
DOI
10.4028/www.scientific.net/AMR.97-101.941
Citation
N. Ren, D.C. Zhao, Z.J. Ma, G. J. Xiao, S.H. Wu, "Mechanical Properties of Ti-Doped DLC Multilayer by Pulse Cathodic Arc Deposition ", Advanced Materials Research, Vols. 97-101, pp. 941-946, 2010
Online since
March 2010
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