Paper Title:
Nanolayered CrN/TiAIN Coatings Synthesized by Ion Plating Technology for Tribological Application on Piston Rings
  Abstract

By using the ion plating technology,the multilayered CrN/TiAlN as well as monolayered CrN and TiAlN coatings were made on the suface of piston rings to improve its tribological properties and increase service life using Cr and Ti50Al50 alloy cathodes. EDS analysis showed that the main compositions of CrN/TiAlN coatings are Cr30.61%,Ti 20.42%,Al 13.88% and N 35.10%. The preferred orientation was changed from (111) in CrN and TiAlN monolayered coatings to (220) plane in the multilayered CrN/TiAlN coatings. The multilayered CrN/TiAlN coatings had smaller crystallite size than the monolayered CrN coatings. The multilayered TiAlN/CrN coating with rotational speed at 1.5 rpm exhibited the highest H3/E2 ratio value of 0.23 GPa, indicating the best resistance to plastic deformation, among the studied CrN, TiAlN and multilayered TiAlN/ CrN coatings. The CrAlTiN composite films performs better than binary CrN as well as the Cr plating in teams of hardness and wear resistance at high temperature.

  Info
Periodical
Edited by
Yuhang Yang, Xilong Qu, Yiping Luo and Aimin Yang
Pages
430-434
DOI
10.4028/www.scientific.net/AMR.216.430
Citation
Z. H. Cai, P. Zhang, Y. L. Di, "Nanolayered CrN/TiAIN Coatings Synthesized by Ion Plating Technology for Tribological Application on Piston Rings", Advanced Materials Research, Vol. 216, pp. 430-434, 2011
Online since
March 2011
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$32.00
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