Modeling concepts for intermetallic titanium aluminides

F Appel, H Clemens, FD Fischer - Progress in Materials Science, 2016 - Elsevier
Intermetallic titanium aluminide alloys based on the ordered face-centred tetragonal γ (TiAl)-
phase represent a good example how fundamental and applied research along with …

Microscale characterization of mechanical properties

KJ Hemker, WN Sharpe Jr - Annu. Rev. Mater. Res., 2007 - annualreviews.org
Lilliputian techniques for measuring the mechanical response of microscale specimens are
being developed to characterize the performance and reliability of microelectromechanical …

Effect of lamellar orientation on the strength and operating deformation mechanisms of fully lamellar TiAl alloys determined by micropillar compression

AJ Palomares-García, MT Pérez-Prado… - Acta Materialia, 2017 - Elsevier
The aim of this study is to determine the influence of lamellar orientation on the strength and
operative deformation mechanisms of a fully lamellar Ti-45Al-2Nb-2Mn (at.%)+ 0.8 (vol.%) …

Plastic anisotropy of γ-TiAl revealed by axisymmetric indentation

C Zambaldi, D Raabe - Acta Materialia, 2010 - Elsevier
Single crystals of γ-TiAl cannot be grown in the near-stoichiometric compositions that are
present inside two-phase γ/α2-microstructures with attractive mechanical properties …

[HTML][HTML] Longitudinal twinning in a TiAl alloy at high temperature by in situ microcompression

TEJ Edwards, F Di Gioacchino, G Mohanty, J Wehrs… - Acta Materialia, 2018 - Elsevier
The stress required to activate twinning of the longitudinal< 11 2¯]{111} system in the
lamellar γ-TiAl phase of the alloy Ti-45Al-2Nb-2Mn (at.%)-0.8 vol.% TiB 2 was measured at …

Deformation behavior and dynamic recrystallization mechanism of a novel high Nb containing TiAl alloy in (α+ γ) dual-phase field

W Yang, M Li, T Zhou, L Hu, L Shi, S Xiao… - Journal of Alloys and …, 2023 - Elsevier
Dynamic recrystallization (DRX), microstructure evolution and texture of high Nb containing
TiAl alloys with a composition of Ti-43Al-6 Nb-1Mo-1Cr (at%) during the isothermal …

Mechanical behavior of TiAl alloys

HG Xiang, Y Chen, ZX Qi, G Zheng, FR Chen… - Science China …, 2023 - Springer
Intermetallic TiAl alloys attract much attention in advanced engineering fields due to their
low density (3.9–4.2 g/cm3) and excellent high-temperature properties. After more than half …

Anomalous increase of fracture toughness of TiAl-based alloys at high temperature

S Dong, S Liu, M Ji, Y Qu, R Chen, J Guo - Materials Characterization, 2024 - Elsevier
The anomalous increase of mechanical property of TiAl-based alloys at high temperature
caters to the property requirements as the high-temperature structural materials, which is …

Mapping deformation mechanisms in lamellar titanium aluminide

ZW Ji, S Lu, Q Hu, D Kim, R Yang, L Vitos - Acta Materialia, 2018 - Elsevier
Breakdown of Schmid's law is a long-standing problem for exploring the orientation-
dependent deformation mechanism in intermetallics. The lack of atomic-level understanding …

Local property characterization of friction stir welded Ti-5111: Transverse orientation measurements

S Nimer, J Wolk, M Zupan - Acta materialia, 2013 - Elsevier
Friction stir welding (FSW) provides many advantages over traditional joining techniques,
the most significant of which is lower cost of fabrication. Titanium alloys provide a high …