Solute strengthening in random alloys

C Varvenne, GPM Leyson, M Ghazisaeidi, WA Curtin - Acta Materialia, 2017 - Elsevier
Random solid solution alloys are a broad class of materials that are used across the entire
spectrum of engineering metals, whether as stand-alone materials (eg Al-5xxx alloys) or as …

The role of atomistic simulations in probing hydrogen effects on plasticity and embrittlement in metals

A Tehranchi, WA Curtin - Engineering Fracture Mechanics, 2019 - Elsevier
Atomistic simulations are a powerful complement to experimental probes for understanding
the nanoscale processes associated with the effects of hydrogen (H) on plasticity and …

Damage in metal forming

AE Tekkaya, PO Bouchard, S Bruschi, CC Tasan - CIRP Annals, 2020 - Elsevier
Physical mechanisms of ductile damage in metal forming, experimental characterization
methods for damage, and models predicting the damage level in formed components are …

Solute strengthening of basal slip in Mg alloys

A Tehranchi, B Yin, WA Curtin - Acta Materialia, 2018 - Elsevier
Strengthening of basal slip could enhance formability of magnesium by decreasing the ratio
of pyramidal to basal critical resolved shear stress (P/B CRSS ratio). Here solute …

Effect of hydrogen charging time on hydrogen embrittlement of CoCrFeMnNi high-entropy alloy

X Li, Z Feng, X Song, Y Wang, Y Zhang - Corrosion Science, 2022 - Elsevier
The effect of hydrogen on mechanical properties and failure mechanism of a CoCrFeMnNi
high-entropy alloy was evaluated by in/ex-situ tensile tests and electron backscatter …

[HTML][HTML] An atomistic study on the HELP mechanism of hydrogen embrittlement in pure metal Fe

MS Hasan, MF Kapci, B Bal, M Koyama, H Bayat… - International Journal of …, 2024 - Elsevier
Abstract The Hydrogen Enhanced Localized Plasticity (HELP) mechanism is one of the most
important theories explaining Hydrogen Embrittlement in metallic materials. While much …

Microstructural and micro-mechanical characterization during hydrogen charging: An in situ scanning electron microscopy study

J Kim, CC Tasan - International Journal of Hydrogen Energy, 2019 - Elsevier
Despite the tremendous industrial and scientific interest, hydrogen storage and
embrittlement studies still suffer from experimental difficulties in studying diffusible hydrogen …

Effect of hydrogen accumulation on θ'precipitates on the shear strength of Al-Cu alloys

VS Krasnikov, PA Bezborodova, AE Mayer - International Journal of …, 2022 - Elsevier
We investigate the effect of accumulation of H atoms on θ'strengthening precipitates in Al-Cu
alloy. A relationship is established between the H accumulation and decrease in shear …

Tensile mechanical properties and fracture behaviors of nickel-based superalloy 718 in the presence of hydrogen

X Li, J Zhang, Q Fu, E Akiyama, X Song, Y Wang… - international journal of …, 2018 - Elsevier
Hydrogen embrittlement of a nickel-based superalloy IN718 was investigated using slow
strain rate tensile tests. Post-mortem observation of fractured samples was performed to …

[HTML][HTML] In situ nanomechanical characterization of hydrogen effects on nickel-based alloy 725 under different metallurgical conditions

X Lu, Y Ma, D Peng, R Johnsen, D Wang - Journal of Materials Science & …, 2023 - Elsevier
The effect of hydrogen on the surface morphology and nanomechanical properties of Ni-
based Alloy 725 under solution-annealed (SA) and precipitation-hardened (API) conditions …