Avalanches and plastic flow in crystal plasticity: an overview

S Papanikolaou, Y Cui, N Ghoniem - Modelling and Simulation in …, 2017 - iopscience.iop.org
Crystal plasticity is mediated through dislocations, which form knotted configurations in a
complex energy landscape. Once they disentangle and move, they may also be impeded by …

[HTML][HTML] Protein hydrogels: the Swiss army knife for enhanced mechanical and bioactive properties of biomaterials

C Huerta-López, J Alegre-Cebollada - Nanomaterials, 2021 - mdpi.com
Biomaterials are dynamic tools with many applications: from the primitive use of bone and
wood in the replacement of lost limbs and body parts, to the refined involvement of smart …

Microscopic structure of a heavily irradiated material

PM Derlet, SL Dudarev - Physical Review Materials, 2020 - APS
It has been long hypothesized that the structure of a material bombarded by energetic
particles might approach a certain asymptotic steady state in the limit of high exposure to …

Fundamental links between shear transformation, β relaxation, and string-like motion in metallic glasses

ZY Zhou, Y Sun, L Gao, YJ Wang, HB Yu - Acta Materialia, 2023 - Elsevier
Plastic deformation and relaxation dynamics are two major topics in glass physics.
Secondary (β) relaxation has been assumed to be a relevant plastic mechanism in …

[HTML][HTML] Twinning induced spatial stress gradients: Local versus global stress states in hexagonal close-packed materials

H Fidder, I Basu, JTM DeHosson - Acta Materialia, 2023 - Elsevier
Length scale dependent microstructural heterogeneities serve as effective pathways in
engineering materials for providing simultaneous strength-ductility enhancement. In this …

[HTML][HTML] In-situ TEM study on the effect of stacking faults on micro-plasticity and proportional limit in SiC/Al composites

D Gong, M Zhu, Z You, H Han, Z Chao… - Composites Part B …, 2022 - Elsevier
Enhancing the proportional limit of Al matrix composites (AMCs) is critical to the reliability of
precision electronic instruments. In this paper, SiC/Al composites containing stacking faults …

Structural dynamics and rejuvenation during cryogenic cycling in a Zr-based metallic glass

A Das, EM Dufresne, R Maaß - Acta Materialia, 2020 - Elsevier
Subjecting metallic glasses repeatedly to liquid nitrogen temperature has become a popular
method to homogeneously rejuvenate the material. Here we reveal the atomic-scale …

[HTML][HTML] Effect of ion irradiation introduced by focused ion-beam milling on the mechanical behaviour of sub-micron-sized samples

J Liu, R Niu, J Gu, M Cabral, M Song, X Liao - Scientific reports, 2020 - nature.com
The development of xenon plasma focused ion-beam (Xe+ PFIB) milling technique enables
site-specific sample preparation with milling rates several times larger than the conventional …

[HTML][HTML] Grain scale bursts of plasticity in Mg-4Zn via high energy X-rays: Towards twin observation in real-time

MR Barnett, J Wang, SR Kada, A de Vaucorbeil… - Acta Materialia, 2024 - Elsevier
The elastic-plastic transition in magnesium alloy Mg-4.5 Zn is marked by bursts of
deformation. A relatively short exposure time (44 ms) polychromatic transmission Laue …

Defect phases–thermodynamics and impact on material properties

S Korte-Kerzel, T Hickel, L Huber, D Raabe… - International …, 2022 - Taylor & Francis
Two approaches in materials physics have proven immensely successful in alloy design:
First, thermodynamic and kinetic descriptions for tailoring and processing alloys to achieve a …