Results 101 to 110 of about 79,749 (313)

Towards a Quantitative Cartography of the Grain Boundary Energy Landscape: Paths and Correlations

, 2021
We apply a newly developed Voronoi fundamental zone (VFZ) framework to gain insights about grain boundary (GB) structure-property relationships in the five degree-of-freedom (5DOF) space of cubic GBs.
Oliver K., Johnson, David T., Fullwood, Sterling G., Baird, Eric R., Homer   +3 more
core   +1 more source

Creating Ti–Fe α/β Alloys by Diffusion‐Driven Solid‐State Processing

Advanced Engineering Materials, EarlyView.
This study proposes making alloys containing fast diffusing elements that are difficult to produce by ingot metallurgy, by diffusion‐driven solid‐state HIP processing of elemental powders and low‐temperature homogenisation. Here, novel Fe‐Ti α–β alloys are formed having fine α–β lamellae, a small β prior grain size without significant intermetallics ...
Jiaqi Xu, Xun Zhang, Jack M. Donoghue, Albert D. Smith, Rahul Unnikrishnan, Rhys Thomas, Vahid Nekouie, Jie Luo, Dongchen Hu, Michael Preuss, Philip J. Withers   +10 more
wiley   +1 more source

Special Grain Boundaries in Ultrafine-Grained Tungsten

Nanoscale Research Letters, 2016
Field ion microscopy and computer simulation were used for the study of an atomic structure high-angle grain boundary in hard-drawn ultrafine-grained tungsten wire. These boundaries with special misorientations are beyond the scope of the coincident site lattice model.
Dudka, O. V., Ksenofontov, V. A., Sadanov, E. V., Starchenko, I. V., Mazilova, T. I., Mikhailovskij, I. M.   +5 more
openaire   +2 more sources

Cosserat crystal plasticity with dislocation driven grain boundary migration

, 2018
International audienceThis paper discusses a coupled mechanics-phase field model that can predict microstructure evolution in metallic polycrystals and in particular evolution of lattice orientation due to either deformation or grain boundary migration ...
Ask, Anna, Ammar, Kais, Forest, Samuel, Appolaire, Benoit   +3 more
core   +1 more source

Solid‐State Diffusion and Intermetallic Phase Formation in Roll‐Bonded Mg–Zn Composites With Kirigami‐Patterned Inlay

Advanced Engineering Materials, EarlyView.
Mg–Zn composites with a thickness of 0.21 mm were fabricated using roll bonding of a kirigami‐patterned Mg alloy inlay within a Zn matrix. Thermal activation following this process led to the formation of tailored intermetallic structures, which provided the composite with enhanced flexural strength.
Yaroslav Frolov, Oleksandr Bobukh, Christian Klose, Florian Nürnberger, Hans Jürgen Maier   +4 more
wiley   +1 more source

Fundamentals of interface phenomena in advanced bulk nanoscale materials

, 2005
The review is devoted to a study of interface phenomena influencing advanced properties of nanoscale materials processed by means of severe plastic deformation, high-energy ball milling and their combinations.
Sort, J., Suriñach, S., S. Suriæach, S. G. Protasova, Zhilyaev, A. P., M. J. Starink, Ovidko, I.A., Grabovetskaya, G.P., Langdon, T. G., Baró, M. D., Straumal, B.B., J. Gubicza, Langdon, T.G., Révész, Á., Ivanov, M. B., Protasova, S. G., Ungár, T., M. D. Baró, J. Noguøs, G. P. Grabovetskaya, J. Lendvai, Lipnitskii, A.G., Lipnitskii, A. G., Kolobov, Y. R., Yu. R. Kolobov, N. V. Skiba, Kolobov, Yu.R., Raab, G. I., B. B. Straumal, Gubicza, J., Nazarov, A. A., Mazilkin, A. A., Ivanov, M.B., Skiba, N.V., Protasova, S.G., T. G. Langdon, J. Sort, G. I. Raab, A. A. Nazarov, Raab, G.I., Starink, M.J., Nazarov, A.A., Zhilyaev, A.P., Révész, Ádám, Skiba, N. V., I. A. Ovidko, Baró, M.D., Baretzky, B., Ovidko, I. A., M. B. Ivanov, A. A. Mazilkin, Lendvai, János, Starink, M. J., T. Ungær, Grabovetskaya, G. P., Ungár, Tamás, Kolobov, Yu. R., Nogués, J., Mazilkin, A.A., B. Baretzky, Gubicza, Jenő, Lendvai, J., A. G. Lipnitskii, Straumal, B. B.   +63 more
core  

Rafting of Ni‐Based Superalloys Under Multiaxial Load as Understood by Phase‐Field Simulations and Critical Experiments

Advanced Engineering Materials, EarlyView.
Phase‐field simulations coupled with dislocation‐density‐based crystal plasticity modeling reproduce γ′ rafting behavior in single‐crystal Ni‐based superalloys under varied loading conditions. The model captures both macroscopic creep and microscopic morphology evolution, with results matching high‐temperature creep experiments.
Micheal Younan, David Bürger, Gunther Eggeler, Oleg Shchyglo, Ingo Steinbach, Muhammad Adil Ali   +5 more
wiley   +1 more source

A Cosserat–phase-field theory of crystal plasticity and grain boundary migration at finite deformation

, 2018
International audienceIn metallic polycrystals, an important descriptor of the underlying microstructure is the orientation ofthe crystal lattice of each grain.
Ask, Anna, Appolaire, Benoît, Ammar, Kais, Forest, Samuel   +3 more
core   +1 more source

A Cosserat crystal plasticity and phase field theory for grain boundary migration [PDF]

, 2018
International audienceThe microstructure evolution due to thermomechanical treatment of metals can largely be described by viscoplastic deformation, nucleation and grain growth.
Umut Salman, Oguz, Benoit Appolaire, Ask, Anna, Samuel Forest, Oguz Umut Salman, Ammar, Kais, Forest, Samuel, Anna Ask, Appolaire, Benoit, Kais Ammar   +9 more
core   +1 more source

Additive Manufacturing of Continuous Fibre Reinforced Composites: Process, Characterisation, Modelling, and Sustainability

Advanced Engineering Materials, EarlyView.
Additive manufacturing provides precise control over the placement of continuous fibres within polymer matrices, enabling customised mechanical performance in composite components. This article explores processing strategies, mechanical testing, and modelling approaches for additive manufactured continuous fibre‐reinforced composites.
Cherian Thomas, Amir Hosein Sakhaei
wiley   +1 more source