Effect of Si addition on mechanical properties and high temperature oxidation resistance of Ti-B-Si hard coatings
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F14%3A43921178" target="_blank" >RIV/49777513:23520/14:43921178 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.surfcoat.2013.12.011" target="_blank" >http://dx.doi.org/10.1016/j.surfcoat.2013.12.011</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.surfcoat.2013.12.011" target="_blank" >10.1016/j.surfcoat.2013.12.011</a>
Alternative languages
Result language
angličtina
Original language name
Effect of Si addition on mechanical properties and high temperature oxidation resistance of Ti-B-Si hard coatings
Original language description
In this work, nanocrystalline Ti-B-Si coatings were prepared by magnetron sputtering using co-deposition from TiB2 and Si targets. A Si addition causes decrease of hardness and effective Young's elastic modulus of the coating. Annealing in high vacuum increases the content of crystalline TiB2 phase that in turn leads to enhanced hardness. High resolution thermogravimetry together with x-ray diffraction (XRD), electron probe microanalysis (EPMA), x-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM) is used to investigate the processes associated with exposure to air at elevated temperatures. The formation of nanocrystalline Ti-Si-O oxide scale after exposure to air at 500 °C is related to B2O3 release. Increased Si content suppresses the growth of crystal phase and contributes to the high temperature oxidation resistance. At 800 °C the oxidized scale formed the layered structure of globular TiO2, columnar TiO2 and amorphous borosilicate.
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BL - Plasma physics and discharge through gases
OECD FORD branch
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Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Surface & Coatings Technology
ISSN
0257-8972
e-ISSN
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Volume of the periodical
2014
Issue of the periodical within the volume
240
Country of publishing house
US - UNITED STATES
Number of pages
7
Pages from-to
48-54
UT code for WoS article
000331989900007
EID of the result in the Scopus database
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