About: Effect of Si addition on mechanical properties and high temperature oxidation resistance of Ti-B-Si hard coatings     Goto   Sponge   NotDistinct   Permalink

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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.
  • 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. (en)
Title
  • Effect of Si addition on mechanical properties and high temperature oxidation resistance of Ti-B-Si hard coatings
  • Effect of Si addition on mechanical properties and high temperature oxidation resistance of Ti-B-Si hard coatings (en)
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  • Effect of Si addition on mechanical properties and high temperature oxidation resistance of Ti-B-Si hard coatings
  • Effect of Si addition on mechanical properties and high temperature oxidation resistance of Ti-B-Si hard coatings (en)
skos:notation
  • RIV/49777513:23520/14:43921178!RIV15-MSM-23520___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I
http://linked.open...iv/cisloPeriodika
  • 240
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 13493
http://linked.open...ai/riv/idVysledku
  • RIV/49777513:23520/14:43921178
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Coatings; High temperature oxidation resistance; Magnetron sputtering; Ti-B-Si (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [3A683F56CB29]
http://linked.open...i/riv/nazevZdroje
  • Surface & Coatings Technology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 2014
http://linked.open...iv/tvurceVysledku
  • Zeman, Petr
  • Dobročka, Edmund
  • Grančič, Branislav
  • Kúš, Peter
  • Plecenik, Andrej
  • Plecenik, Tomáš
  • Roch, Tomáš
  • Zahoran, Miroslav
  • Šatka, Alexander
  • Mičušík, Matej
  • Gregor, Maroš
  • Hájovská, Zuzana
  • Mikula, Marian
  • Satrapinskyy, Leonid
http://linked.open...ain/vavai/riv/wos
  • 000331989900007
issn
  • 0257-8972
number of pages
http://bibframe.org/vocab/doi
  • 10.1016/j.surfcoat.2013.12.011
http://localhost/t...ganizacniJednotka
  • 23520
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