Precipitation kinetics in metallic alloys: Experiments and modeling
Nanoscale precipitation is one of the most widely used microstructural tools to manipulate
the properties of metallic alloys, and especially to reach high strength. Optimal …
the properties of metallic alloys, and especially to reach high strength. Optimal …
Positron annihilation spectroscopy of defects in nuclear and irradiated materials-a review
FA Selim - Materials Characterization, 2021 - Elsevier
Positron is the only probe that can detect individual atomic vacancies and small and large
vacancy clusters induced by irradiation with remarkable sensitivity, providing information …
vacancy clusters induced by irradiation with remarkable sensitivity, providing information …
Freezing solute atoms in nanograined aluminum alloys via high-density vacancies
Low-temperature decomposition of supersaturated solid solution into unfavorable
intergranular precipitates is a long-standing bottleneck limiting the practical applications of …
intergranular precipitates is a long-standing bottleneck limiting the practical applications of …
Mechanisms controlling the artificial aging of Al–Mg–Si Alloys
S Pogatscher, H Antrekowitsch, H Leitner, T Ebner… - Acta Materialia, 2011 - Elsevier
In this study the artificial aging behavior of the Al–Mg–Si alloy AA 6061 was investigated in
the temperature range 150–250° C using atom probe tomography, hardness and resistivity …
the temperature range 150–250° C using atom probe tomography, hardness and resistivity …
Characterization of lattice defects in metallic materials by positron annihilation spectroscopy: A review
J Čížek - Journal of Materials Science & Technology, 2018 - Elsevier
Positron is an excellent probe of lattice defects in solids. A thermallized positron delocalized
in lattice can be trapped at open volume defects, eg vacancies, dislocations, grain …
in lattice can be trapped at open volume defects, eg vacancies, dislocations, grain …
Material modeling of 6016-O and 6016-T4 aluminum alloy sheets and application to hole expansion forming simulation
This study investigates the influence of heat treatment on the anisotropic plastic deformation
behaviors of 6016-O and 6016-T4 aluminum alloy sheets. The two material samples were …
behaviors of 6016-O and 6016-T4 aluminum alloy sheets. The two material samples were …
Natural aging in Al‐Mg‐Si alloys–a process of unexpected complexity
J Banhart, CST Chang, Z Liang… - Advanced …, 2010 - Wiley Online Library
The natural aging behavior of pure ternary Al‐Mg‐Si alloys is investigated by measuring
hardness, electrical resistivity and positron lifetime, as well as carrying out thermal analysis …
hardness, electrical resistivity and positron lifetime, as well as carrying out thermal analysis …
Analysis of strengthening in AA6111 during the early stages of aging: Atom probe tomography and yield stress modelling
In this work, a series of aging treatments has been conducted on AA6111 alloy samples for
various times at ambient temperature (so-called natural aging) and at temperatures between …
various times at ambient temperature (so-called natural aging) and at temperatures between …
Enhanced properties and homogeneity of Al-Zn-Mg-Cu alloy thick plate by non-isothermal aging
The desirable properties and homogeneity of Al-Zn-Mg-Cu alloy thick plate are urgent to
acquire in the industrial field. An efficient method for determining the optimal non-isothermal …
acquire in the industrial field. An efficient method for determining the optimal non-isothermal …
Kinetics of natural aging in Al-Mg-Si alloys studied by positron annihilation lifetime spectroscopy
J Banhart, MDH Lay, CST Chang, AJ Hill - Physical Review B—Condensed …, 2011 - APS
The process of natural aging in pure ternary Al-Mg-Si alloys was studied by positron
annihilation lifetime spectroscopy in real time in order to clarify the sequence and kinetics of …
annihilation lifetime spectroscopy in real time in order to clarify the sequence and kinetics of …