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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.137 SNIP: 0.341 CiteScore™: 0.43

ISSN Печать: 1093-3611
ISSN Онлайн: 1940-4360

Выпуски:
Том 23, 2019 Том 22, 2018 Том 21, 2017 Том 20, 2016 Том 19, 2015 Том 18, 2014 Том 17, 2013 Том 16, 2012 Том 15, 2011 Том 14, 2010 Том 13, 2009 Том 12, 2008 Том 11, 2007 Том 10, 2006 Том 9, 2005 Том 8, 2004 Том 7, 2003 Том 6, 2002 Том 5, 2001 Том 4, 2000 Том 3, 1999 Том 2, 1998 Том 1, 1997

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.2016017252
pages 85-92

EFFECT OF THERMAL ANNEALING AND DEPOSITION CONDITIONS ON THE STRUCTURE AND MECHANICAL PROPERTIES OF A MULTILAYER NITRIDE COATING BASED ON Ta

Yaroslav O. Kravchenko
Sumy State University, 2 Rimsky-Korsakov Str., Sumy, 40000, Ukraine
Olga Maksakova
Department of Nanoelectronic, Sumy State University, Sumy, Ukraine
Pawel Drodziel
Faculty of Mechanical Engineering, Lublin University of Technology, Lublin, Poland
Valeriy Loboda
Department of Nanoelectronic, Sumy State University, Sumy, Ukraine

Краткое описание

An analysis of the structure and mechanical properties of multilayer nitride coatings based on Ta depending on the deposition conditions and thermal vacuum-free annealing was conducted. Ta/TaN is a multylayer structure with alternate deposition of a polycrystalline layer of Ta of high ductility and a layer of TaN of high strength. TaN is a coating deposited by magnetron sputtering with the ratio N2/Ar = 0.4, exhibiting a high degree of crystallinity that leads to a high adhesive strength and hardness of Ta/TaN multilayer coatings. For nitride coatings based on refractory elements of the V−VI period, the general patterns consisting in the formation of the NaCl structure, and the predominant orientation of the planes (111) were identified. The application of heat treatment decreases the microhardness of the Ta/TaN multilayer coatings from 2600 to 1200 kgf/mm2, and leads to deterioration of the adhesive strength between the layers. In the process of mechanical testing, the tribological coefficient for the considered protective coatings was 0.1−0.25, the volume of surface wear was 14.3 mm3.


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