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An Enhanced Three-Step Oxidation Process to Improve Oxide Adhesion on Zirconium Alloys

Titelangaben

Reif, Michael ; Scherm, Florian ; Galetz, Mathias ; Glatzel, Uwe:
An Enhanced Three-Step Oxidation Process to Improve Oxide Adhesion on Zirconium Alloys.
In: Oxidation of Metals. (2014) Heft 82 . - S. 99-112.
ISSN 1573-4889
DOI: 10.1007/s11085-014-9479-2

Abstract

Oxidation of zirconium-based alloys results in a thermally-grown oxide
scale with excellent corrosion resistance, and good wear and friction properties,
which make them interesting for tribological applications. Nevertheless, adhesion of
the oxide layer to the substrate must be enhanced. A new three-step oxidation
process was introduced in order to achieve an improvement. Following an initial
oxidation step (1st step), a heat treatment was carried out in vacuum during which
the oxide dissolves and diffuses into the metallic zirconium substrate (2nd step).
These two steps resulted in an oxygen dissolution layer with increased hardness
formed in-between the oxide and the substrate, which serves as a bonding layer with
increased thickness. In a 3rd step a new oxide layer was obtained. The improved
oxide layer adhesion was characterized by indentation tests on three different groups
of oxidized samples of the newly developed alloy.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Keywords: Oxidation; Zirconium; Deoxidation; Adhesion; Oxygen diffusion
Institutionen der Universität: Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Metallische Werkstoffe
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Metallische Werkstoffe > Lehrstuhl Metallische Werkstoffe - Univ.-Prof. Dr.-Ing. Uwe Glatzel
Profilfelder > Advanced Fields > Neue Materialien
Forschungseinrichtungen > Forschungszentren > Bayreuther Materialzentrum - BayMAT
Fakultäten
Fakultäten > Fakultät für Ingenieurwissenschaften
Profilfelder
Profilfelder > Advanced Fields
Forschungseinrichtungen
Forschungseinrichtungen > Forschungszentren
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Eingestellt am: 26 Nov 2014 13:19
Letzte Änderung: 09 Nov 2015 07:43
URI: https://eref.uni-bayreuth.de/id/eprint/4085