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Compression of ecaped titanium micro-pillars for two principal orientations
- 1.0538649 - FZÚ 2021 RIV CZ eng C - Konferenční příspěvek (zahraniční konf.)
Vokoun, David - Maňák, Jan - Tesař, Karel - Habr, Stanislav
Compression of ecaped titanium micro-pillars for two principal orientations.
Acta Polytechnica CTU Proceedings. Vol. 27. Prague: Czech Technical University in Prague, 2020, s. 1-5. ISBN 978-80-01-06735-2. ISSN 2336-5382.
[International Conference on Local Mechanical Properties /14./. Prague (CZ), 06.11.2019-08.11.2019]
Grant CEP: GA ČR(CZ) GA17-05360S
Institucionální podpora: RVO:68378271
Klíčová slova: ECAP * micro-pillar * titanium
Obor OECD: Materials engineering
Způsob publikování: Open access
The thermomechanical processing by equal-channel angular pressing (ECAP) is used for certain metals and alloys in order to make their structure fine and to increase material strength. In the previous study done at our institute, grade 2 titanium was successfully processed using four consecutive route A passes via a 90° ECAP die with high backpressure at room temperature. Orientation dependence of compressive and tensile loading of ECAPed titanium samples was demonstrated at macro-scale. However, scarce attention has been paid so far to the mechanical behavior of ECAPed titanium samples at micro-scale. In the present study, compression experiments on titanium micro-pillars, fabricated using focused ion beam, are carried out for two main directions in respect to preceding ECAP pressing (insert and extrusion directions). The purpose of this study is to discuss the orientation dependence of mechanical response during compression of the as-ECAPed titanium micro-pillars.
Trvalý link: http://hdl.handle.net/11104/0316413
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