Dislocation–grain boundary interactions: Recent advances on the underlying mechanisms studied via nanoindentation testing
To comprehend the mechanical behavior of a polycrystalline material, an in-depth analysis
of individual grain boundary (GB) and dislocation interactions is of prime importance. In the …
of individual grain boundary (GB) and dislocation interactions is of prime importance. In the …
Defect-related etch pits on crystals and their utilization
D Lu, Q Jiang, X Ma, Q Zhang, X Fu, L Fan - Crystals, 2022 - mdpi.com
Etch pits could form on an exposed surface of a crystal when the crystal is exposed to an
etching environment or chemicals. Due to different dissolution rates along various crystalline …
etching environment or chemicals. Due to different dissolution rates along various crystalline …
Exploring the origins of the indentation size effect at submicron scales
The origin of the indentation size effect has been extensively researched over the last three
decades, following the establishment of nanoindentation as a broadly used small-scale …
decades, following the establishment of nanoindentation as a broadly used small-scale …
Nanoindentation pop‐in in oxides at room temperature: dislocation activation or crack formation?
Most oxide ceramics are known to be brittle macroscopically at room temperature with little
or no dislocation‐based plasticity prior to crack propagation. Here, we demonstrate the size …
or no dislocation‐based plasticity prior to crack propagation. Here, we demonstrate the size …
Grain boundary effect on nanoindentation: A multiscale discrete dislocation dynamics model
Nanoindentation is a convenient method to investigate the mechanical properties of
materials on small scales by utilizing low loads and small indentation depths. However, the …
materials on small scales by utilizing low loads and small indentation depths. However, the …
On a novel strain indicator based on uncorrelated misorientation angles for correlating dislocation density to local strength
PO Guglielmi, M Ziehmer, ET Lilleodden - Acta materialia, 2018 - Elsevier
We present a new method based on uncorrelated misorientation measurements by Electron
Backscattered Diffraction (EBSD) to characterize the dislocation density of site-specific areas …
Backscattered Diffraction (EBSD) to characterize the dislocation density of site-specific areas …
Thermally enhanced dislocation density improves both hardness and fracture toughness in single‐crystal SrTiO3
Dislocation‐tuned functionality in ceramic oxides for potential versatile applications gains
increasing attention. As the widespread chemical doping suffers from poor temperature …
increasing attention. As the widespread chemical doping suffers from poor temperature …
Evaluation of mechanical properties and hydrophobicity of room‐temperature, moisture‐curable polysilazane coatings
Y Zhan, R Grottenmüller, W Li… - Journal of Applied …, 2021 - Wiley Online Library
Polysilazane coatings have a broad need in real‐life applications, which require low
processing or working temperature. In this work, five commercially available polysilazanes …
processing or working temperature. In this work, five commercially available polysilazanes …
Nanoscale to microscale reversal in room-temperature plasticity in SrTiO3 by tuning defect concentration
Incipient room-temperature plastic deformation in single-crystal SrTiO 3 at the nanoscale
and the microscale is contrasted by applying a scale-dependent indentation technique …
and the microscale is contrasted by applying a scale-dependent indentation technique …
Room‐temperature dislocation plasticity in SrTiO3 tuned by defect chemistry
Dislocations have been identified to modify both the functional and mechanical properties of
some ceramic materials. Succinct control of dislocation‐based plasticity in ceramics will also …
some ceramic materials. Succinct control of dislocation‐based plasticity in ceramics will also …