Nanoindentation into a high-entropy alloy–An atomistic study

IA Alhafez, CJ Ruestes, EM Bringa… - Journal of Alloys and …, 2019 - Elsevier
The plastic response of a high-entropy alloy is explored by means of simulated
nanoindentation tests. We compare nanoindentation into the Cantor alloy–an equi-atomic …

In-situ TEM investigation on deformation mechanisms of a fine-grained 316L stainless steel

B Gao, L Wang, Y Liu, J Liu, Y Sui, W Sun, X Chen… - Scripta Materialia, 2023 - Elsevier
The present study explores the deformation behavior of fine-grained 316L stainless steel
through in-situ tensile transmission electron microscopy (TEM), with a focus on both …

Cross-slip of extended dislocations and secondary deformation twinning in a high-Mn TWIP steel

S Shen, P Xie, C Wu, J Luo, J Chen - International Journal of Plasticity, 2024 - Elsevier
Twinning-induced plasticity (TWIP) steels have become important materials in industry
owing to the good combination of strength and ductility and high strain hardening rate. The …

[HTML][HTML] Modeling the effect of short-range order on cross-slip in an FCC solid solution

A Abu-Odeh, M Asta - Acta Materialia, 2022 - Elsevier
Short-range ordering (SRO) in single-phase face-centered cubic solid solution alloys has
been linked to changes in mechanical behavior that are correlated with pronounced …

Frank-Read source operation in six body-centered cubic refractory metals

S Xu, Y Su, LTW Smith, IJ Beyerlein - Journal of the Mechanics and Physics …, 2020 - Elsevier
Abstract The Frank-Read (FR) source is a well-known intragranular dislocation source that
plays an important role in size-dependent dislocation multiplication in metallic crystals. In …

Modeling the competition between solid solution and precipitate strengthening of alloys in a 3D space

Q Fang, Z Huang, L Li, Z Huang, B Liu, Y Liu… - International Journal of …, 2022 - Elsevier
Until now, the nature of the competitive and cooperative correlation between solid solution
strengthening and precipitate hardening is still uncovered, and then brings great challenges …

In-situ observation of the initiation of plasticity by nucleation of prismatic dislocation loops

S Lee, A Vaid, J Im, B Kim, A Prakash… - Nature …, 2020 - nature.com
The elastic-to-plastic transition during the deformation of a dislocation-free nanoscale
volume is accompanied by displacement bursts associated with dislocation nucleation. The …

In-situ EBSD study of deformation behavior of Inconel 740H alloy at high-temperature tensile loading

W Zhang, J Lu, J Wang, L Sang, J Ma, Y Zhang… - Journal of Alloys and …, 2020 - Elsevier
Plastic deformation behavior of Inconel 740H superalloy during uniaxial tension at high
temperature was investigated. The self-developed in-situ high-temperature tensile stage …

Comparative modeling of the disregistry and Peierls stress for dissociated edge and screw dislocations in Al

S Xu, JR Mianroodi, A Hunter, B Svendsen… - International Journal of …, 2020 - Elsevier
Many elementary deformation processes in metals involve the motion of dislocations. The
planes of glide and specific processes dislocations prefer depend heavily on their atomic …

Dynamic mechanisms of strengthening and softening of coherent twin boundary via dislocation pile-up and cross-slip

Z Li, J Zhang, Y Zhai, J Zhang, X Wang… - Materials Research …, 2022 - Taylor & Francis
Although cross-slip strongly affects the deformation of polycrystalline materials, the
phenomenon is rarely studied in twinned face centered cubic (FCC) metals. Here we …