The investigation of an Al-Zr-Ti alloy prepared by spark plasma sintering of atomized powder

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F17%3A00503785" target="_blank" >RIV/61389021:_____/17:00503785 - isvavai.cz</a>
Alternative codes found
RIV/00216208:11320/17:10371252
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
The investigation of an Al-Zr-Ti alloy prepared by spark plasma sintering of atomized powder
Original language description
The microstructure and mechanical properties of a powder metallurgical Al-Zr-Ti alloy was studied. Fine powder with a typical size below 50 ?m was prepared by gas atomization. The smallest powder particles with a diameter below 10 ?m exhibited a segregation free microstructure. Larger droplets were found to contain intermetallic particles rich in Zr and Ti. The gas atomized powder was consolidated by spark plasma sintering (SPS) at various temperatures ranging from 450 to 550 °C. During SPS the materials microstructure remained nearly unchanged and a fine grain size between 2 and 3 ?m was observed. All SPS samples exhibited a microhardness of around 90 HV. The annealing (1 h, 500 °C) of the sample sintered at the highest temperature (550 °C) resulted in a decrease of microhardness to 75 HV as a result of changes in the phase composition, the fine grain size was retained. Natural aging at room temperature was not observed.
Czech name
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Czech description
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Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
METAL 2017. 26th International Conference on Metallurgy and Materials. Conference Proceedings
ISBN
978-80-87294-79-6
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
"2017"-"January (2017)"
Publisher name
TANGER
Place of publication
Ostrava
Event location
Brno
Event date
May 24, 2017
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
000434346900259

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