Polykrystalická diamantová vrstva: vhodná ochrana povrchu zirkoniových slitin?

A. Krausová; M. Novák; J. Macák; I. Kratochvílová

doi:10.1515/kom-2015-0012

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Polykrystalická diamantová vrstva: vhodná ochrana povrchu zirkoniových slitin?

Koroze a ochrana materiálu

Volume 59 (2015): Issue 2 (July 2015)

By: A. Krausová, M. Novák, J. Macák and I. Kratochvílová

Open Access

|Aug 2015

Abstract

The polycrystalline diamond layer (PCD) seems to be an appropriate protection reducing chemical activity of zirconium alloys. Its application could substantially enhance zirconium resistance against high-temperature corrosion and hydrogen absorption. This paper studies samples of zirconium alloys Zry-2 covered with a thin 300-nm PCD layer and exposed to steam at temperatures of 950 and 1150 °C. Transmission parameters and PCD layer morphology are studied using ex-situ electrochemical impedance spectroscopy. The results imply that the corrosion rate of the Zry-2 zirconium alloy is lower under high temperature.

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Articles in this issue

DOI: https://doi.org/10.1515/kom-2015-0012 | Journal eISSN: 1804-1213 | Journal ISSN: 0452-599X

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Language: English, Czech

Page range: 50 - 52

Published on: Aug 6, 2015

Published by: Association of Czech and Slovak Corrosion Engineers

In partnership with: Paradigm Publishing Services

Publication frequency: Volume open

Related subjects:

Industrial chemistry,

Chemical engineering

© 2015 A. Krausová, M. Novák, J. Macák, I. Kratochvílová, published by Association of Czech and Slovak Corrosion Engineers
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Volume 59 (2015): Issue 2 (July 2015)