Borrowed dislocations for ductility in ceramics

LR Dong, J Zhang, YZ Li, YX Gao, M Wang, MX Huang… - Science, 2024 - science.org
The inherent brittleness of ceramics, primarily due to restricted atomic motions from rigid
ionic or covalent bonded structures, is a persistent challenge. This characteristic hinders …

On the measurement of dislocations and dislocation substructures using EBSD and HRSD techniques

O Muránsky, L Balogh, M Tran, CJ Hamelin, JS Park… - Acta Materialia, 2019 - Elsevier
The accumulation of the dislocations and development of dislocation structures in plastically
deformed Ni201 is examined using dedicated analyses of Electron Back-Scatter Diffraction …

Evolution of dislocation and twin densities in a Mg alloy at quasi-static and high strain rates

M Wang, XY Xu, HY Wang, LH He, MX Huang - Acta Materialia, 2020 - Elsevier
The present work, for the first time, quantitatively studies the evolution of both dislocations
and deformation twins with various strain rates in an ATZ311 Mg alloy. Interrupted tensile …

Peak broadening anisotropy and the contrast factor in metal alloys

TH Simm - Crystals, 2018 - mdpi.com
Diffraction peak profile analysis (DPPA) is a valuable method to understand the
microstructure and defects present in a crystalline material. Peak broadening anisotropy …

Rediscovery of Hall-Petch strengthening in bulk ultrafine grained pure Mg at cryogenic temperature: a combined in-situ neutron diffraction and electron microscopy …

R Zheng, W Gong, J Du, S Gao, M Liu, G Li… - Acta Materialia, 2022 - Elsevier
Grain refinement can lead to the strengthening of metallic materials according to the Hall-
Petch relationship. However, our recent results suggested that grain boundary sliding is the …

Rate-dependent transition of dislocation mechanisms in a magnesium alloy

XY Xu, CP Huang, HY Wang, YZ Li, MX Huang - Acta Materialia, 2024 - Elsevier
The limited slip systems of magnesium (Mg) and its alloys hamper their widespread
applications in key areas. Rational design of such lightweight alloys requires fundamental …

Multi-scale dispersion strengthening for high-temperature titanium alloys: Strength preservation and softening mechanisms

X Chen, L Huang, S Ma, F Sun, S Wang… - Journal of Materials …, 2025 - Elsevier
The long-lasting expectation “the hotter the engine, the better” calls for the development of
high-temperature metallic alloys. Although the high specific strengths of titanium alloys are …

[ΒΙΒΛΙΟ][B] X-ray line profile analysis in materials science

J Gubicza - 2014 - books.google.com
X-ray line profile analysis is an effective and non-destructive method for the characterization
of the microstructure in crystalline materials. Supporting research in the area of x-ray line …

Orientation-dependent evolution of the dislocation density in grain populations with different crystallographic orientations relative to the tensile axis in a polycrystalline …

T Ungár, AD Stoica, G Tichy, XL Wang - Acta materialia, 2014 - Elsevier
Line profile analysis was carried out on neutron diffraction patterns collected by the energy-
dispersive method for an in situ tensile-deformed AISI-316 stainless steel specimen. The …