Dislocation interactions with grain boundaries

J Kacher, BP Eftink, B Cui, IM Robertson - Current Opinion in Solid State …, 2014 - Elsevier
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TiAl alloys in commercial aircraft engines

BP Bewlay, S Nag, A Suzuki… - Materials at High …, 2016 - Taylor & Francis
The present article will describe aspects of the science and technology of titanium aluminide
(TiAl) alloy system and summarise the low and high temperature mechanical and …

The effect of location on the microstructure and mechanical properties of titanium aluminides produced by additive layer manufacturing using in-situ alloying and gas …

Y Ma, D Cuiuri, N Hoye, H Li, Z Pan - Materials Science and Engineering: A, 2015 - Elsevier
An innovative and low cost additive layer manufacturing (ALM) process is used to produce γ-
TiAl based alloy wall components. Gas tungsten arc welding (GTAW) provides the heat …

New insights into high-temperature deformation and phase transformation mechanisms of lamellar structures in high Nb-containing TiAl alloys

L Song, F Appel, L Wang, M Oehring, X Hu, A Stark… - Acta Materialia, 2020 - Elsevier
The paper describes the microstructure evolution by high-temperature compression of a
high Nb-containing TiAl alloy. The paper extends a previous publication [Song, et al …

Quasi-four-dimensional analysis of dislocation interactions with grain boundaries in 304 stainless steel

J Kacher, IM Robertson - Acta Materialia, 2012 - Elsevier
The application of diffraction contrast electron tomography to dynamic experiments involving
dislocation interactions with grain boundaries is demonstrated for the first time. Two …

The effect of postproduction heat treatment on γ-TiAl alloys produced by the GTAW-based additive manufacturing process

Y Ma, D Cuiuri, H Li, Z Pan, C Shen - Materials Science and Engineering: A, 2016 - Elsevier
Postproduction heat treatments were carried out on additively manufactured γ-TiAl alloys
that were produced by using the gas tungsten arc welding (GTAW) process. The …

Temperature dependent anisotropic mechanical behavior of TiAl based alloys

B Selvarajou, MH Jhon, RV Ramanujan… - International Journal of …, 2022 - Elsevier
Abstract γ-based titanium aluminides exhibit remarkable mechanical properties at high
temperatures and are deployed in jet engines. The microstructure of these alloys, consisting …

Phase transformations in TiAl based alloys

S Zghal, M Thomas, S Naka, A Finel, A Couret - Acta materialia, 2005 - Elsevier
Microstructural characteristics of a fully lamellar Ti49Al47Cr2Nb2 alloy have been
investigated in different annealed conditions by quantitative transmission electron …

Deformation response of AgCu interfaces investigated by in situ and ex situ TEM straining and MD simulations

BP Eftink, A Li, I Szlufarska, NA Mara, IM Robertson - Acta Materialia, 2017 - Elsevier
The mechanisms of strain transfer across Ag/Cu interfaces were determined by a
combination of in situ and ex situ TEM straining experiments and molecular dynamics …

Effects of lamellar boundary structural change on lamellar size hardening in TiAl alloy

K Maruyama, M Yamaguchi, G Suzuki, H Zhu, HY Kim… - Acta Materialia, 2004 - Elsevier
Strengthening by refinement of lamellar thickness was studied at room temperature on dual
phase Ti–39.4 mol% Al alloy over a wide range of average lamellar thickness λ from 850 to …