Surface treatment on magnesium alloys

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26310%2F12%3APU101701" target="_blank" >RIV/00216305:26310/12:PU101701 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Surface treatment on magnesium alloys
Original language description
Magnesium alloys are very prospective materials. They have very good mechanical properties and very low density. They are used in automotive industry, aerospace etc. On the other hand magnesium alloys have very low corrosion resistence. And this is the reason, why the protection of magnesium alloys against the corrosion is in focus. One of the most important protective methods are conversion coatings. Magnesium alloys AZ91, AZ61 and AZ31 were treated by phosphate-permanganate and chromate conversion coatings. Chromate coatings are very efficient conversion coatings but they cannot be used any more due to carcinogenic Cr(VI). In our case chromate conversion coating was however taken as standard. Aluminium in magnesium forms intermetallic phase beta (Mg17Al12). Magnesium alloy AZ91 contains more aluminium than AZ31 and AZ61, so the portion of intermetallic phase beta is bigger in magnesium alloy AZ91. Beta-phase has higher electrochemical potential, so in magnesium alloys it behaves like
Czech name
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Czech description
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Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Studentská konference Chemie je život
ISBN
978-80-214-4644-1
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
460-465
Publisher name
Vysoké Učení Technické v Brně, Fakulta Chemická, Purkyňova 464/118, 612 00 Brno
Place of publication
Neuveden
Event location
Brno
Event date
Dec 7, 2012
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
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