[HTML][HTML] The role of hydrides and precipitates on the strain localisation behaviour in a zirconium alloy

R Thomas, D Lunt, MD Atkinson, JQ da Fonseca… - Acta Materialia, 2023 - Elsevier
In service, zirconium alloys undergo aqueous corrosion and hydrogen is absorbed, which
can lead to the formation of hydrides. Hydrides, as well as the precipitates in zirconium …

Evolution of in-plane strain fields onset of a plastically deforming crack in zirconium

R Roy, M Topping, MR Daymond - Acta Materialia, 2024 - Elsevier
Understanding the fracture behaviour of a material is essential for the sustainable design of
structural components. The complex nature of microscale mechanical testing techniques …

[HTML][HTML] Exploring the hydride-slip interaction in zirconium alloys

Y Liu, R Thomas, CD Hardie, P Frankel, FPE Dunne - Acta Materialia, 2023 - Elsevier
Hydrogen pick-up and hydride precipitation can lead to embrittlement and fracture strength
reduction of nuclear fuel cladding tubes made of Zircaloy. Plastic deformation of hydride …

[HTML][HTML] Quantifying cracking and strain localisation in a cold spray chromium coating on a zirconium alloy substrate under tensile loading at room temperature

I Alakiozidis, C Hunt, R Thomas, D Lunt… - Journal of Nuclear …, 2024 - Elsevier
The mechanical and cracking behaviour of a Cr coating, deposited on an Optimized ZIRLO
TM substrate using the Cold Spraying (CS) technique, was investigated by in-situ scanning …

One‐step deposition of nano‐to‐micron‐scalable, high‐quality digital image correlation patterns for high‐strain in‐situ multi‐microscopy testing

JPM Hoefnagels, M Van Maris, T Vermeij - Strain, 2019 - Wiley Online Library
Digital image correlation (DIC) is of vital importance in the field of experimental mechanics,
yet producing suitable DIC patterns for demanding in‐situ (micro) mechanical tests remains …

[HTML][HTML] Mapping plastic deformation mechanisms in AZ31 magnesium alloy at the nanoscale

B Yavuzyegit, E Avcu, AD Smith, JM Donoghue, D Lunt… - Acta Materialia, 2023 - Elsevier
By coupling an improved speckle patterning method enabling high resolution digital image
correlation (HRDIC) at nanoscale strain resolution (146 nm) with a scanning electron …

[HTML][HTML] Understanding the role of local texture variation on slip activity in a two-phase titanium alloy

D Lunt, R Thomas, MD Atkinson, A Smith, R Sandala… - Acta Materialia, 2021 - Elsevier
During plastic deformation of engineering alloys with a hcp crystal structure, slip systems
with different critical resolved shear stresses can be activated. In the case of two-phase …

Dislocations in grain boundary regions: the origin of heterogeneous microstrains in nanocrystalline materials

Z Zhang, É Ódor, D Farkas, B Jóni, G Ribárik… - … Materials Transactions A, 2020 - Springer
Nanocrystalline materials reveal excellent mechanical properties but the mechanism by
which they deform is still debated. X-ray line broadening indicates the presence of large …

[HTML][HTML] Detecting irradiation-induced strain localisation on the microstructural level by means of high-resolution digital image correlation

D Lunt, R Thomas, D Bowden, MTP Rigby-Bell… - Journal of Nuclear …, 2023 - Elsevier
Materials subjected to irradiation damage often undergo local microstructural changes that
can affect their expected performance. To investigate such changes, this work proposes a …

High-resolution digital image correlation study of the strain localization during loading of a shot-peened RR1000 nickel-based superalloy

A Orozco-Caballero, T Jackson, JQ Da Fonseca - Acta Materialia, 2021 - Elsevier
The improved crack nucleation resistance of shot-peened materials has been usually
studied from the point of view of the residual stresses. However, experimental limitations …