Small-scale mechanical testing

V Jayaram - Annual Review of Materials Research, 2022 - annualreviews.org
This article reviews recent developments in small-scale mechanical property testing with
some emphasis on intermediate (meso) length scales in complex microstructures and …

The dependence of strength and strain hardening on dislocation-interface interaction in dual-phase titanium alloys

L Wei, B Miao, Z Liu, H Su, K Ming, X Zheng, F Wang… - Scripta Materialia, 2024 - Elsevier
The slip transmission across an interface is essential for the mechanical properties of dual-
phase alloys like Ti-6Al-4 V. However, the correlation between the dislocation-interface …

Unified model for size-dependent to size-independent transition in yield strength of crystalline metallic materials

W Liu, Y Liu, Y Cheng, L Chen, L Yu, X Yi, H Duan - Physical Review Letters, 2020 - APS
Size-dependent yield strength is a common feature observed in miniaturized crystalline
metallic samples, and plenty of studies have been conducted in experiments and numerical …

Sub-size tensile specimen design for in-reactor irradiation and post-irradiation testing

MN Gussev, RH Howard, KA Terrani… - Nuclear Engineering and …, 2017 - Elsevier
The present work aims to provide a complete engineering solution, an appropriate
experimental database, and a brief physical background on designing a miniature specimen …

Enhanced strength and ductility of AZ80 Mg alloys by spray forming and ECAP

L Tang, Y Zhao, RK Islamgaliev, CYA Tsao… - Materials Science and …, 2016 - Elsevier
The relatively low strength and poor ductility of conventional AZ80 Mg alloys have been
attributed to the limited number of independent slip systems, in combination with the …

Microstructure and properties of Cu–Mg-Ca alloy processed by equal channel angular pressing

M Ma, Z Li, W Qiu, Z **ao, Z Zhao, Y Jiang - Journal of Alloys and …, 2019 - Elsevier
Abstract A Cu-0.41 Mg-0.06 Ca (wt.%) alloy was designed and prepared by melting and
casting in air atmosphere, followed by equal channel angular pressing (ECAP) process up …

Modeling intrinsic size effects using dislocation density-based strain gradient plasticity

A Patra, N Pai, P Sharma - Mechanics Research Communications, 2023 - Elsevier
This work proposes a dislocation density-based strain gradient J 2 plasticity framework that
models the strength contribution due to Geometrically Necessary Dislocations (GNDs) using …

Deformation mechanisms in FCC Co dominated by high-density stacking faults

R Su, D Neffati, S Xue, Q Li, Z Fan, Y Liu… - Materials Science and …, 2018 - Elsevier
It has been known that twin boundaries dominate the plasticity of nanotwinned metals.
However, the role of stacking faults on the deformation mechanisms in face-centered-cubic …

Irradiation damage investigation of helium implanted polycrystalline copper

Y Yang, D Frazer, M Balooch, P Hosemann - Journal of Nuclear Materials, 2018 - Elsevier
This work features the synthesis of nanoscale cavities using a He ion beam implantation
method. A multitechnique (AFM, TEM, nanoindentation) post synthesis approach allows for …

[HTML][HTML] Deformation behavior of aluminum pillars produced by Xe and Ga focused ion beams: Insights from strain rate jump tests

Y **ao, V Maier-Kiener, J Michler, R Spolenak… - Materials & Design, 2019 - Elsevier
Micro-compression testing of focused ion beam fabricated pillars is a popular technique for
mechanical characterization at small scales. However, there are concerns associated with …