Grain refinement in aluminium alloy AlMgSi1 during ECAP at room temperature.

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26316919%3A_____%2F09%3A%230000188" target="_blank" >RIV/26316919:_____/09:#0000188 - 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
Grain refinement in aluminium alloy AlMgSi1 during ECAP at room temperature.
Original language description
The severe plastic deformation (SPD) was demonstrated as an effective approach to produce ultrafine grained materials. ECAP has emerged as effective deformation method to refine grain size in bulk metallic materials. Aluminium alloys AlMgSi1 was processed by SPD at room temperature to the effective strain ?ef = 4. Development of deformation substructure and grain refinement after different effective true strain by TEM of thin foils. Deformed substructure analysis showed progressive effect of different processing condition on deformation structure development. The microstructural changes are mainly characterized by evolution of high density dislocation substructure (subgrains) with relative low misorientations at strain below ?ef = 2. The higher fraction of high angle boundaries were observed at strain ?ef = 4. A new grains with random crystal orientation are them more frequently developed. Hardness measurement was used to evaluate the mechanical properties of deformed materials.
Czech name
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Czech description
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Publication year
2009
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
18th International Metallurgical and Materials Conference METAL 2009
ISBN
978-80-87294-04-8
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
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Publisher name
TANGER, spol s.r.o.
Place of publication
Ostrava, ČR
Event location
Hradec nad Moravicí, ČR
Event date
Jan 1, 2009
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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