PRECIPITATION KINETICS IN Mg-Gd ALLOY AFTER NATURAL AGEING

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F14%3A10284876" target="_blank" >RIV/00216208:11320/14:10284876 - isvavai.cz</a>
Result on the web
<a href="http://www.metal2014.com/files/proceedings/17/reports/2679.pdf" target="_blank" >http://www.metal2014.com/files/proceedings/17/reports/2679.pdf</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
PRECIPITATION KINETICS IN Mg-Gd ALLOY AFTER NATURAL AGEING
Original language description
Annealing at ambient temperature connected with a substantial degree of strengthening (natural ageing) is well known and investigated in Al-based alloys. Clustering of solute atoms at room temperature proven by atom probe tomography is believed to be assisted by vacancies quenched in material from high annealing temperature. This process has often a very deteriorating effect on further precipitation during artificial ageing of Al alloys. Natural ageing is not common in Mg-based alloys contrary to Al hardenable alloys. Two squeeze cast Mg-Gd alloys with different Gd content were solution heat treated. The increase of solute concentration in the matrix during the treatment was monitored by electrical resistivity measurements. Microhardness decrease during the solution heat treatment corresponds to dissolution of secondary phases combined with solid solution hardening. Electrical resistivity of both alloys measured at 77 K decreases, if the alloys are kept at room temperature immediately
Czech name
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Czech description
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Project
<a href="/en/project/GAP108%2F10%2F0648" target="_blank" >GAP108/10/0648: Investigation of defects in icosahedral phases in Mg-alloys</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
METAL 2014, 23rd International Conferenceon Metallurgy and Materials, Conference proceedings
ISBN
978-80-87294-54-3
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
1277-1282
Publisher name
Tanger, Ltd.
Place of publication
Ostrava
Event location
Brno
Event date
May 21, 2014
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
000350641700211

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