Dislocation Network‐Boosted PtNi Nanocatalysts Welded on Nickel Foam for Efficient and Durable Hydrogen Evolution at Ultrahigh Current Densities

M Zhou, C Cheng, C Dong, L Xiao… - Advanced Energy …, 2023 - Wiley Online Library
Large‐scale application of alkaline water electrolysis for high‐rate hydrogen production is
severely hindered by high electricity cost, mainly due to difficulties to acquire cost‐effective …

Multivariate optimization of mechanical and microstructural properties of welded joints by FSW method

P Asadi, MRM Aliha, M Akbari, DM Imani… - Engineering Failure …, 2022 - Elsevier
This paper investigates the microstructural and mechanical properties in the joining of
aluminum sheets using the friction stir welding (FSW) method. First, the microstructural …

A new approach for determining GND and SSD densities based on indentation size effect: An application to additive-manufactured Hastelloy X

L Cui, CH Yu, S Jiang, X Sun, RL Peng… - Journal of Materials …, 2022 - Elsevier
Dislocation plays a crucial role in controlling the strength and plasticity of bulk materials.
However, determining the densities of geometrically necessary dislocations (GNDs) and …

Comparative simulation study of the structure of the plastic zone produced by nanoindentation

Y Gao, CJ Ruestes, DR Tramontina… - Journal of the Mechanics …, 2015 - Elsevier
Using molecular-dynamics simulation, we study nanoindentation in fcc (Cu and Al) and bcc
(Fe and Ta) metals by a spherical indenter and investigate the size of the plastic zone …

Effects of grain size and dislocation density on strain hardening behavior of ultrafine grained AA1050 processed by accumulative roll bonding

SO Gashti, A Fattah-Alhosseini, Y Mazaheri… - Journal of Alloys and …, 2016 - Elsevier
In this work, the effects of grain size and dislocation density on strain hardening behavior of
ultrafine grained (UFG) AA1050 produced by 9-cycle accumulative roll bonding (ARB) …

Investigating the effect of SiC particles on the physical and thermal properties of Al6061/SiCp composite

R Zare, H Sharifi, MR Saeri, M Tayebi - Journal of Alloys and Compounds, 2019 - Elsevier
In the present study, the effect of volume fraction of SiC reinforcement particles on the
physical and thermal properties of Al matrix composite (6061) was investigated. In this …

The creep and fracture properties of additively manufactured inconel 625

KT Son, TQ Phan, LE Levine, KS Kim, KA Lee… - Materialia, 2021 - Elsevier
High temperature creep tests of additively manufactured (AM) nickel-based superalloy 625
(IN625) and wrought IN625 were conducted at 650˚ C and 800˚ C over the stress range of …

Influence of substructures on the selective laser melted Ti-6Al-4V alloy as a function of laser re-melting

J Karimi, MS Xie, Z Wang, KG Prashanth - Journal of Manufacturing …, 2021 - Elsevier
This study investigates the effects of melting sequence on the microstructure, substructure,
and mechanical properties of SLM Ti6Al4V alloys. Acicular α′ martensite was observed in …

Assessment of dislocation density by various techniques in cold rolled 1050 aluminum alloy

JJ Sidor, P Chakravarty, JG Bátorfi, P Nagy, Q Xie… - Metals, 2021 - mdpi.com
This study examines the evolution of dislocation density in cold rolled 1050 Al alloy. Various
techniques such as numerical approaches, indentation techniques, X-ray diffraction line …

“In-plane” site-specific FIB lamella extraction from deformed magnetite and the investigation of low angle grain boundaries under TEM

MA Mamtani, O Wenzel, A Kontny, C Hilgers… - Journal of Structural …, 2023 - Elsevier
In this study a modus operandi to investigate site-specific nanostructures in thin films
(lamellae) excavated “in-plane” across (sub) grain boundaries is presented. This is done by …