Electronic Resource
s.l. ; Stafa-Zurich, Switzerland
Solid state phenomena
Vol. 118 (Dec. 2006), p. 323-327
ISSN:
1662-9779
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Physics
Notes:
TiAlN, and TiAlN/CrN nanolayered coatings were synthesized by cathodic-arcevaporation with plasma enhanced duct equipment. Chromium and TiAl (50/50 at %) alloy cathodeswere used for the deposition of TiAlN/CrN coatings. The effects of bilayer thickness and chromiumcontent on the microstructure and mechanical properties of TiAlN/CrN nanolayered coatings werestudied. The preferred orientation was changed from (200) in TiAlN monolayered coatings to (111)plane in the multilayered TiAlN/CrN coatings. The multilayered TiAlN/CrN coating with periodicthickness of 20 nm and the smallest crystallite size of 28 nm exhibited the highest hardness of 39GPa. The multilayered TiAlN/CrN coatings also showed the best adhesion strength using scratchtests. It has been found that the structural and mechanical properties of the films were correlatedwith the addition of chromium and nanolayer thickness
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/22/transtech_doi~10.4028%252Fwww.scientific.net%252FSSP.118.323.pdf
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