Search Results - "Andersen, S.J."
-
1
Atomic structure of solute clusters in Al–Zn–Mg alloys
Published in Acta materialia (15-02-2021)“…[Display omitted] Scanning transmission electron microscopy imaging of Al–Zn–Mg alloys has provided new information on the atomic structures of solute rich…”
Get full text
Journal Article -
2
The evolution of precipitates in an Al–Zn–Mg alloy
Published in Journal of materials research and technology (01-03-2023)“…The precipitation sequence in Al–Zn–Mg alloys has been subject to many revisions over the years as more structural details of the early-stage Guinier-Preston…”
Get full text
Journal Article -
3
Study of intergrown L and Q′ precipitates in Al–Mg–Si–Cu alloys
Published in Scripta materialia (01-05-2011)“…► APT and HRTEM study of intergrown precipitate particles in an overaged Al–Mg–Si–Cu (6xxx) alloy. ► The particles are shown to contain the structures of both…”
Get full text
Journal Article -
4
Applying precipitate-host lattice coherency for compositional determination of precipitates in Al-Mg-Si-Cu alloys
Published in Philosophical magazine (Abingdon, England) (01-11-2012)“…The present paper reports experimental and theoretical studies on the structure of the metastable C precipitate forming during precipitation hardening in…”
Get full text
Journal Article -
5
WALK MODELLING WHEN DESIGNING SMALL BUS TRANSIT NETWORKS
Published in South African journal of industrial engineering (01-12-2021)“…Modelle vir die ontwerp van openbare busvervoernetwerke word gewoonlik gebaseer op histories waargenome reispatrone van potensiěle passasiers. Die opsie dat 'n…”
Get full text
Journal Article -
6
An improved solution methodology for the urban transit routing problem
Published in Computers & operations research (01-03-2024)Get full text
Journal Article -
7
Studying GPI zones in Al-Zn-Mg alloys by 4D-STEM
Published in Materials characterization (01-03-2022)“…A new methodology has been developed to study the fine details of GP zones in age-hardenable aluminium alloys. It is complementary to atomic resolution…”
Get full text
Journal Article -
8
The unique hybrid precipitate in a peak-aged Al-Cu-Mg-Ag alloy
Published in Scripta materialia (15-03-2021)“…The prevalent hardening phase forming in an Al-Cu-Mg-Ag alloy after peak-aging at 150 and 190 °C has been investigated using transmission electron microscopy…”
Get full text
Journal Article -
9
The crystal structure of the β′ phase in Al–Mg–Si alloys
Published in Acta materialia (01-06-2007)“…The crystal structure of β′, one of the metastable phases formed during precipitation hardening of Al–Mg–Si (6xxx) alloys, has been determined using electron…”
Get full text
Journal Article -
10
The structural relation between precipitates in Al–Mg–Si alloys, the Al-matrix and diamond silicon, with emphasis on the trigonal phase U1-MgAl2Si2
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (25-01-2007)“…Atomic structures of the precipitates in Al-Mg-Si alloys have important similarities. The trigonal precipitate U1-MgAl2Si2 has super-cells in both Al and…”
Get full text
Journal Article -
11
Phase stabilization principle and precipitate-host lattice influences for Al–Mg–Si–Cu alloy precipitates
Published in Journal of materials science (01-09-2014)“…In this work, we seek to elucidate a common stabilization principle for the metastable and equilibrium phases of the Al–Mg–Si–Cu alloy system, through combined…”
Get full text
Journal Article -
12
Simulation of the flow past a circular cylinder using an unsteady panel method
Published in Applied Mathematical Modelling (01-04-2017)“…•The in-house UnSteady Double Wake Model USDWM is presented in the manuscript.•Sub-, super-, and trans-critical cylinder flows have been successfully…”
Get full text
Journal Article -
13
Modelling of the age hardening behaviour of Al–Mg–Si alloys
Published in Acta materialia (08-01-2001)“…In the present investigation a special control volume formulation of the classical precipitation model for coupled nucleation, growth and coarsening has been…”
Get full text
Journal Article -
14
The influence of temperature and storage time at RT on nucleation of the β″ phase in a 6082 Al–Mg–Si alloy
Published in Acta materialia (07-02-2003)“…The age hardening process of a 6082 Al–Mg–Si alloy by isothermal ageing at 100, 125 and 150 °C for 0 to 40 days has been investigated by both conventional and…”
Get full text
Journal Article -
15
Crystal structure of the orthorhombic U2-Al4Mg4Si4 precipitate in the Al-Mg-Si alloy system and its relation to the β' and β phases
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (15-01-2005)“…The atomic structure of a common precipitate in the Al-Mg-Si system has been determined. It is isotypic with TiNiSi (space group Pnma) and contains four units…”
Get full text
Journal Article -
16
HAADF-STEM study of β′-type precipitates in an over-aged Al-Mg-Si-Ag alloy
Published in Philosophical magazine (Abingdon, England) (21-03-2012)“…Coarse, rod-shaped precipitates growing along ⟨100⟩Al directions in an Al-1.0 wt% Mg 2 Si alloy with 0.5 wt% Ag additions were investigated by high-resolution…”
Get full text
Journal Article -
17
HRTEM study of the effect of deformation on the early precipitation behaviour in an AA6060 Al-Mg-Si alloy
Published in Philosophical magazine (Abingdon, England) (01-10-2011)“…The effect of 10% pre-ageing deformation on the early precipitation behaviour in an AA6060 Al-Mg-Si alloy aged 10 min at 190°C was investigated by…”
Get full text
Journal Article -
18
Atomic model for GP-zones in a 6082 Al–Mg–Si system
Published in Acta materialia (22-01-2001)“…Heat treatments of 6082 Al-alloy with 0.6 wt% Mg, 0.9 wt% Si, 0.5 wt% Mn and 0.2 wt% Fe can lead to a considerable increase in hardness. This increase is due…”
Get full text
Journal Article -
19
The crystal structure of the β″ phase in Al–Mg–Si alloys
Published in Acta materialia (22-05-1998)“…The crystal structure of β″, one of the strengthening phases in the commercially important Al–Mg–Si alloys, is determined by use of high resolution electron…”
Get full text
Journal Article -
20
Aberration-corrected scanning transmission electron microscopy study of β′-like precipitates in an Al–Mg–Ge alloy
Published in Acta materialia (01-04-2012)“…Precipitates in an Al–Mg–Ge alloy similar to the β′ phase in Al–Mg–Si alloys were investigated using qualitative and quantitative aberration-corrected…”
Get full text
Journal Article