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 …

[BOOK][B] Physics of creep and creep-resistant alloys

FRN Nabarro, F De Villiers - 2018 - taylorfrancis.com
Unique in its approach, this introduction to the physics of creep concentrates on the physical
principles underlying observed phenomena. As such it provides a resource for graduate …

Atomic-scale modeling of dislocations and related properties in the hexagonal-close-packed metals

DJ Bacon, V Vitek - Metallurgical and Materials Transactions A, 2002 - Springer
Metals with the hcp crystal structure have a wide variety of mechanical and physical
properties, and understanding the links between atomic processes, microstructure, and …

Non-planar dislocation cores: a ubiquitous phenomenon affecting mechanical properties of crystalline materials

V Vitek, V Paidar - Dislocations in solids, 2008 - Elsevier
Plastic deformation of crystalline materials is usually mediated by motion of dislocations.
Exceptions are diffusional creep that takes place at high temperatures and very low strain …

Atomic plasticity: description and analysis of a one-billion atom simulation of ductile materials failure

MJ Buehler, A Hartmaier, H Gao, M Duchaineau… - Computer methods in …, 2004 - Elsevier
Large scale atomic simulations are becoming an increasingly important tool in modeling
deformation and failure mechanisms of materials. Here we describe and analyze a recent …

Deformation of the O and α2 phases in the Ti-Al-Nb system

D Banerjee - Philosophical Magazine A, 1995 - Taylor & Francis
We examine dislocation structures generated by compressive strains at ambient
temperatures and 650° C in polycrystalline, orthorhombic (O) phase of composition Ti-26 …

Low-temperature deformation of single crystals of a DO19 compound with an off-stoichiometric composition (Ti-36·5 at.% Al)

H Inui, Y Toda, Y Shirai, M Yamaguchi - Philosophical Magazine A, 1994 - Taylor & Francis
Deformation behaviour of a DO19, compound with an off-stoichiometric composition of Ti-36·
5 at.% Al has been studied as a function of orientation at temperatures from− 196° C to room …

Prismatic and basal slip in Ti3Al I. Frictional forces on dislocations

M Legros, A Corn, D Caillard - Philosophical Magazine A, 1996 - Taylor & Francis
In situ straining experiments have been conducted in polycrystalline Ti3Al, with the aim of
analysing the mechanisms controlling dislocation motion and interpreting themechanical …

Machine learning moment tensor potential for modeling dislocation and fracture in and alloys

J Qi, ZH Aitken, Q Pei, AMZ Tan, Y Zuo, MH Jhon… - Physical Review …, 2023 - APS
Dual-phase γ-TiAl and α 2-Ti 3 Al alloys exhibit high strength and creep resistance at high
temperatures. However, they suffer from low tensile ductility and fracture toughness at room …

Atomic structure of dislocations in intermetallics with close packed structures: a comparative study

V Vitek - Intermetallics, 1998 - Elsevier
Dislocation cores influence very significantly plastic behavior of many materials and this is
particularly important in intermetallic compounds. We first review the variety of possible core …