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Non-Linear Mechanical Behavior of Plasma Sprayed Coatings under Mechanical and Thermal Loading
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SYSNO ASEP 0326206 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Non-Linear Mechanical Behavior of Plasma Sprayed Coatings under Mechanical and Thermal Loading Title Nelineární mechanické chování plazmově stříkaných vrstev při mechanickém a teplotním zatěžování Author(s) Mušálek, Radek (UFP-V) RID, ORCID
Matějíček, Jiří (UFP-V) RID, ORCID
Vilémová, Monika (UFP-V) RID, ORCID
Kovářík, O. (CZ)Source Title Expanding Thermal Spray Performance to New Markets and Applications: Proceedings of the 2009 International Thermal Spray Conference. - Materials Park, Ohio, USA : International Thermal Spray Association, 2009 / Marple B.R. ; Hyland M.M. ; Lau Y. ; Li Ch. ; Lima R.S. ; Montavon G. - ISBN 978-1-61503-004-0 Pages s. 914-919 Number of pages 6 s. Publication form CD-ROM - CD-ROM Action International Thermal Spray Conference ,ITSC 2009 Event date 04.05.2009-07.05.2009 VEvent location Las Vegas Country US - United States Event type WRD Language eng - English Country US - United States Keywords Alumina ; Plasma spraying ; Hysteresis ; Mechanical Testing ; Water Stabilized Plasma Subject RIV JI - Composite Materials R&D Projects ME 901 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z20430508 - UFP-V (2005-2011) Annotation Mechanical response of plasma sprayed ceramic coatings to mechanical and thermal loading of various extents was studied. Coated samples were subjected to four-point bending (4PB), with coatings loaded in tension and compression, respectively. Thermal loading was provided by heating the samples, while stresses were generated by thermal mismatch between the coatings and substrates. In both cases, cyclic loading was applied. Non-linear behavior and significant hysteresis were observed, indicating inelastic phenomena taking place. Previous tests were complemented by structural observations in SEM and bonded-interface test. Relevant structural features and possible mechanisms underlying this behavior are discussed. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2010
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