Influence of the microstructure of the initial material on the Zn wires prepared by direct extrusion with a huge extrusion ratio

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F21%3A00546341" target="_blank" >RIV/68378271:_____/21:00546341 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21340/21:00353846
Result on the web
<a href="http://hdl.handle.net/11104/0322899" target="_blank" >http://hdl.handle.net/11104/0322899</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3390/met11050787" target="_blank" >10.3390/met11050787</a>

Result language
angličtina
Original language name
Influence of the microstructure of the initial material on the Zn wires prepared by direct extrusion with a huge extrusion ratio
Original language description
In this study, we prepared zinc wires with a diameter of 250 µm by direct extrusion using an extrusion ratio of 576. The wires extruded at 300 ◦C possessed a coarse-grained microstructure and the shape of their tensile stress–strain curves suggested that twinning played an important role during their deformation. A significant influence of the initial grain size on the final microstructure was observed after the extrusion at 100 ◦C. The wires prepared from the billet with a very coarse-grained microstructure possessed a bimodal grain size. A significant coarsening of their microstructure was observed after the tensile test. The wires prepared from the medium-grained billets at 100 ◦C were relatively coarse-grained, but their grain size was stable during the straining, resulting in the highest ultimate tensile strength. This preliminary study shows that strong attention should be paid to the extrusion parameters and the microstructure of the initial billets.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
20501 - Materials engineering

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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