124 citations · 544 across the 20 of their papers we have counts for
20 papers
Precipitate size evolution in an ultrafine-grained magnesium-manganese alloy
Julian M. Rosalie, Brian R. Pauw, Anton Hohenwarter
Precipitate size evolution during room temperature high-pressure torsion (HPT) of a Mg-1.35wt.%Mn alloy was studied using scanning transmission electron microscopy (STEM) and Small…
Dynamic precipitation during high-pressure torsion of a magnesium-manganese alloy
Julian M. Rosalie, Anton Hohenwarter
An ultrafine grained magnesium alloy has been produced through room temperature high-pressure torsion (HPT) of solutionised Mg-1.35 wt.%Mn. Dynamic precipitation of nanometer-scale…
The human factor: results of a small-angle scattering data analysis Round Robin
Brian R. Pauw, Glen J. Smales, Andy S. Anker +46
A Round Robin study has been carried out to estimate the impact of the human element in small-angle scattering data analysis. Four corrected datasets were provided to participants…
Spinodal decomposition stabilizes plastic flow in a nanocrystalline Cu-Ti alloy
Julian M. Rosalie, Oliver Renk, Reinhard Pippan
A combination of high strength and reasonable ductility has been achieved in a copper-1.7 at.%titanium alloy deformed by high-pressure torsion. Grain refinement and a spinodal micr…
Microstructure and Failure Characteristics of Nanostructured Molybdenum Copper Composites
Katharina Schwarz, Julian Rosalie, Stefan Wurster +2
Liquid-metal infiltrated Cu30Mo70 (weigth percentage) is subjected to severe plastic deformation using high pressure torsion. The initially equiaxed dual phase structure is gradual…
Synthesis of nanodiamond reinforced silver matrix nanocomposites: microstructure and mechanical properties
A. Katzensteiner, J. M. Rosalie, R. Pippan +1
Nanodiamond reinforced silver matrix nanocomposites with different nanodiamond content are produced from pure silver and nanodiamond powders by a combination of two severe plastic…
Microstructural and texture evolution of Copper-(Chromium, Molybdenum, Tungsten) composites deformed by high-pressure-torsion
Julian M. Rosalie, Pradipta Ghosh, Jinming Guo +2
Cu-refractory metal composites containing Cr, Mo or W were subjected to severe plastic deformation using room temperature high-pressure torsion (HPT). A lamellar microstructure dev…
The bi-layered precipitate phase zeta in the Al-Ag alloy system
Zezhong Zhang, Laure Bourgeois, Julian M. Rosalie +1
The Al-Ag system is thought to be a well-understood model system used to study diffusional phase transformations in alloys. Here we report the existence of a new precipitate phase,…
On nanostructured molybdenum-copper composites produced by high pressure torsion
Julian M. Rosalie, Jinming Guo, Reinhard Pippan +1
Nano-structured molybdenum-copper composites have been produced through severe plastic deformation of liquid-metal infiltrated Cu30Mo70 and Cu50Mo50 (wt.%) starting materials. Proc…
Characterisation of precipitates formed in high-pressure torsion treated Mg-3.4at.%Zn alloy
Brian R. Pauw, Julian M. Rosalie, Fanqiang Meng +3
Microstructural analysis of a Mg-Zn alloy deformed at room temperature by high-pressure torsion (HPT) indicates that fine-scale precipitation occurs even without post-deformation h…
On chemical order and interfacial segregation in (AlAg) precipitates
Julian M. Rosalie, Christian Dwyer, Laure Bourgeois
A detailed study has been carried out on (AlAg) precipitates in Al-Ag and Al-Ag-Cu alloys to reconcile the conflicting reports on chemical ordering and stacking faul…
Form-free size distributions from complementary stereological TEM/SAXS on precipitates in a Mg-Zn alloy
Julian M. Rosalie, Brian R. Pauw
This work describes a multidisciplinary research methodology for quantifying the size distribution of nanoscale precipitates in polycrystalline alloys. Complementary transmission e…
The effect of precipitation on strength and ductility in a Mg-Zn-Y alloy
Julian M. Rosalie, Hidetoshi Somekawa, Alok Singh +1
The effect of pre-ageing deformation on the size and distribution of beta-prime precipitates and subsequently on the resulting strength and ductility have been measured in a Mg-3.0…
The effect of size and distribution of rod-shaped β' precipitates on the strength and ductility of a Mg-Zn alloy
Julian M. Rosalie, Hidetoshi Somekawa, Alok Singh +1
We report on a quantitative investigation into the effect of size and distribution of rod-shaped β' precipitates on strength and ductility of a Mg-Zn alloy. Despite precipitation s…
Silver segregation to θ' (Al2Cu)-Al interfaces in Al-Cu-Ag alloys
Julian M Rosalie, Laure Bourgeois
θ' (Al2Cu) precipitates in Al-Cu-Ag alloys were examined using high angle annular dark field scanning transmission electron microscopy (HAADF-STEM). The precipitates nucleated on d…
Structural relationships among monoclinic and hexagonal phases and transition structures in Mg-Zn-Y alloys
Julian M. Rosalie, Hidetoshi Somekawa, Alok Singh +1
Isothermal ageing of plastically deformed Mg-Zn-Y alloys resulted in precipitation along {10-12} twin boundaries. The bulky precipitates formed had structures similar to those rece…
Orientation relationships between icosahedral clusters in hexagonal MgZn2 and monoclinic Mg4Zn7 phases in Mg-Zn(-Y) alloys
Julian M. Rosalie, Hidetoshi Somekawa, Alok Singh +1
Intermetallic precipitates formed in heat-treated and aged Mg-Zn and Mg-Zn-Y alloys have been investigated via electron microscopy. Coarse spheroidal precipitates formed on deforma…
Precipitate assemblies formed on dislocation loops in aluminium-silver-copper alloys
Julian M. Rosalie, Laure Bourgeois, Barrington C. Muddle
The precipitation microstructure of the γ' (AlAg2) intermetallic phase has been examined in aluminium-silver-copper alloys. The microstructure developed in an Al-0.90at.%Ag-0.90at.…
Precipitate assemblies formed on dislocation loops in aluminium-silver alloys
Julian M. Rosalie, Laure Bourgeois, Barrington C. Muddle
A detailed study of the precipitation of the γ' (AlAg2) phase in undeformed aluminium-silver alloys has been conducted. Several previously unreported features were observed, includ…
Nucleation and growth of the γ' (AlAg2) precipitate in Al-Ag(-Cu) alloys
Julian M. Rosalie, Laure Bourgeois, Barrington C. Muddle
Precipitation of the γ' (AlAg2) phase was investigated in Al-Ag(-Cu) alloys using high resolution transmission electron microscopy and scanning transmission electron microscopy. Pr…