Mechanisms of hydrogen embrittlement in high-strength aluminum alloys containing coherent or incoherent dispersoids

M Safyari, M Moshtaghi, T Hojo, E Akiyama - Corrosion science, 2022‏ - Elsevier
This study investigated the hydrogen embrittlement of a high strength Zr or Cr-added
aluminum alloy specimens containing coherent Al 3 Zr or incoherent Al 18 Mg 2 Cr 3 …

Unraveling the effect of dislocations and deformation-induced boundaries on environmental hydrogen embrittlement behavior of a cold-rolled Al–Zn–Mg–Cu alloy

M Moshtaghi, M Safyari, S Kuramoto, T Hojo - International Journal of …, 2021‏ - Elsevier
The effect of dislocation substructure, and deformation-induced boundaries on the hydrogen
embrittlement (HE) behavior and the fracture mechanism of a 7xxx series aluminum alloy …

[HTML][HTML] Mechanisms of hydrogen absorption, trap** and release during galvanostatic anodization of high-strength aluminum alloys

M Safyari, G Mori, S Ucsnik, M Moshtaghi - Journal of Materials Research …, 2023‏ - Elsevier
The initial growth of a porous alumina layer and the hydrogen absorption during
galvanostatic anodization were studied using high-resolution electron microscopy, thermal …

Influence of microstructure-driven hydrogen distribution on environmental hydrogen embrittlement of an Al–Cu–Mg alloy

M Safyari, M Moshtaghi, S Kuramoto, T Hojo - International Journal of …, 2021‏ - Elsevier
The hydrogen trap sites and corresponding hydrogen binding energies in an Al–Cu–Mg
alloy with the different microstructures were investigated to unravel the environmental …

Effect of environmental relative humidity on hydrogen-induced mechanical degradation in an Al–Zn–Mg–Cu alloy

M Safyari, T Hojo, M Moshtaghi - Vacuum, 2021‏ - Elsevier
The influence of relative humidity (RH) on mechanical properties of a 7075 alloy, cold
finished aluminum wrought product, was studied by slow strain rate technique in …

Different augmentations of absorbed hydrogen under elastic straining in high-pressure gaseous hydrogen environment by as-quenched and as-tempered martensitic …

M Moshtaghi, M Safyari - International Journal of Hydrogen Energy, 2023‏ - Elsevier
Hydrogen embrittlement (HE) behavior of as-quenched and as-tempered martensitic steels
under elastic straining in a high-pressure gaseous hydrogen environment was studied for …

[HTML][HTML] Optimization of Dry Sliding Wear in Hot-Pressed Al/B4C Metal Matrix Composites Using Taguchi Method and ANN

S Gajević, S Miladinović, O Güler, S Özkaya… - Materials, 2024‏ - mdpi.com
The presented study investigates the effects of weight percentages of boron carbide
reinforcement on the wear properties of aluminum alloy composites. Composites were …

Role of ultrasonic shot peening in environmental hydrogen embrittlement behavior of 7075-T6 alloy

M Safyari, M Moshtaghi - Hydrogen, 2021‏ - mdpi.com
The effect of ultrasonic shot peening on the environmental hydrogen embrittlement behavior
of the 7075-T6 aluminum alloy is investigated. The 7075-T6 tensile specimens were treated …

Effect of solution treatment temperature on grain boundary composition and environmental hydrogen embrittlement of an Al–Zn–Mg–Cu alloy

M Moshtaghi, M Safyari, T Hojo - Vacuum, 2021‏ - Elsevier
The effect of solution treatment temperature on hydrogen embrittlement (HE) of an Al–Zn–
Mg–Cu alloy was investigated. Slow strain rate tensile tests in humid air and dry nitrogen …

[HTML][HTML] Investigation of third body role in dry contacts: Experimental procedure to dissociate the effects of substrate and interface layer on the contact pair frictional …

S Ciprari, V Ripard, A Saulot, F Massi - Tribology International, 2023‏ - Elsevier
This paper presents an experimental approach for the evaluation of the third body role in dry
contacts. The ultrasonic cleaning is applied to remove the third body layer from a contact …