Magnus Hörnqvist Colliander
Min forskning handlar främst om att förstå kopplingar mellan process, struktur och egenskaper hos avancerade högprestandamaterial på en grundläggande nivå. Detta kräver utveckling och användande av metoder för in-situ karaktärisering med hjälp at elektronmikroskop eller stora infrastrukturanläggningar (synkrotroner eller neutronkällor). Ett särskilt fokus ligger på användandet av tidsupplösta in-situ metoder baserade på spridning och diffraktion av synkrotronljus och neutroner för att studera beteendet under representativa termiska/mekaniska cykler, samt mätning av lokala egenskaper hos individuella faser, korn och gränsytor på en mikroskala. Målet är att bidra till utvecklingen av nya och förbättrade material, främst med avseende på temperaturstabilitet och mekaniska egenskaper, som kan möjliggöra minskad miljöpåverkan både under tillverkning och användning. För att åstadkomma det tillämpas den mer grundläggande forskningen i samarbetsprojekt med industrin.
Visar 104 publikationer
Interface strength and crack propagation mechanisms in sintered copper nanoparticles
Tailored heat treatments to enhance performance in additive manufactured HAYNES® 282® superalloy
Microstructural and mechanical anisotropy in pressure-assisted sintered copper nanoparticles
Quantifying local lattice distortions in refractory high-entropy alloys
Measuring residual stresses in individual on-chip interconnects using synchrotron nanodiffraction
In Situ Measurements of NiAl Precipitation During Aging of Dual Hardening Hybrid Steels
Concomitant Precipitation of Intermetallic β-NiAl and Carbides in a Precipitation Hardened Steel
Alloying of C40-structured Mo(Si,Al)<inf>2</inf> with Nb, Ta and V
Meta-Dynamic Recrystallization in the Ni-Based Superalloy Haynes 282
Dynamic recrystallization during hot compression of Ni-based superalloy Haynes 282
Decomposition pathways in nano-lamellar CVD Ti<inf>0.2</inf>Al<inf>0.8</inf>N
High temperature compression of Mo(Si,Al)2-Al2O3 composites
High temperature deformation of polycrystalline C40 Mo(Si,Al)<inf>2</inf>
Influence of Yttrium Doping on the Oxidation of Mo(Si,Al)<inf>2</inf> in Air at 1500 °C
Effect of lithiation on the elastic moduli of carbon fibres
Cyclic Deformation of Microcantilevers Using In-Situ Micromanipulation
Dynamic and Post-Dynamic Recrystallization of Haynes 282 below the Secondary Carbide Solvus
Elastic-viscoplastic self-consistent modeling for finite deformation of polycrystalline materials
Imaging Ultrafast Dynamical Diffraction Wave Fronts in Strained Si with Coherent X Rays
Ultrafast dynamical diffraction wavefronts in strained Si imagined with Tele-ptychography
Precipitation of γ’ during cooling of nickel-base superalloy Haynes 282
Fracture of Cr2O3 single crystals on the microscale
Tailored grain morphology via a unique melting strategy in electron beam-powder bed fusion
Complete precipitate dissolution during adiabatic shear localisation in a Ni-based superalloy
Fatigue crack growth of electron beam melted TI-6AL-4V in high-pressure hydrogen
Wire-Based Additive Manufacturing of Ti-6Al-4V Using Electron Beam Technique
Precipitation Kinetics and Morphology of Grain Boundary Carbides in Ni-Base Superalloy Haynes 282
Microscale fracture of chromia scales
Ni nanocluster composites for enhanced impact resistance of multilayered arc-PVD ceramic coatings
Strain Rate Effects on Fracture Behavior of Austempered Ductile Irons
Anisotropy effects during dwell-fatigue caused by δ-phase orientation in forged Inconel 718
Effect of microstructure on dynamic shear localisation in Alloy 718
Nano-scale characterization of white layer in broached Inconel 718
Intergranular Oxidation Effects During Dwell-Time Fatigue of High-Strength Superalloys
Crack Growth Studies in a welded Ni-base superalloy
Deformation and Failure of OFHC Copper under high strain rate shear compression
Modelling and simulation of dynamic recrystallization (DRX) in OFHC copper at very high strain rates
Influence of dwell time on fatigue crack propagation in Alloy 718 laser welds
Time- and cycle-dependent crack propagation in Haynes 282
Dynamic Recrystallization During High-Strain-Rate Tension of Copper
Microstructural examination of shear localisation during high-strain-rate deformation of Alloy 718
Influence of carbide distribution on ductility of Haynes®282® forgings
Early stages of spinodal decomposition in Fe–Cr resolved by in-situ small-angle neutron scattering
Multi-scale, multi-technique investigation of oxidation assisted cracking
Correlation between crack length and load drop for low-cycle fatigue crack growth in Ti-6242
Deformation and texture evolution of OFHC copper during dynamic tensile extrusion
Phase Separation in Fe-Cr Alloys Studied by Small Angle Neutron Scattering
Numerical Simulation of Dynamic Tensile Extrusion Test of OFHC Copper
Fatigue crack growth behaviour of forged Ti-6Al-4V in gaseous hydrogen
Anisotropy of Room Temperature Ductility in Haynes 282 Forgings
Estimation of microscale strain fields in a pearlitic steel using DIC and in-situ SEM
High-temperature crack growth in a Ni-base superalloy during sustained load
Low-Cycle Fatigue Crack Growth in Ti-6242 at Elevated Temperature
Reduced Dwell-Fatigue Resistance in a Ni-Base Superalloy After Short-Term Thermal Exposure
Identification of microscale strain fields from in-situ SEM images of a pearlitic steel using DIC
Dynamic strain aging in Haynes 282 superalloy
Fracture mechanisms during intergranular hold time fatigue crack growth in Inconel 718 superalloy
Intergranular crack tip oxidation in a Ni-base superalloy
Influence of high temperature hold times on the fatigue crack propagation in Inconel 718
Experiments and modelling of the cyclic behaviour of Haynes 282
High temperature fatigue crack growth in Alloy 718 - Effect of tensile hold times
Fatigue crack growth testing using varying R-ratios
Fatigue crack growth behaviour of Inconel 718 with high temperature hold times
Fatigue crack growth in Ti-6242 under elasto-plastic loading conditions
Dynamic strain ageing and dynamic precipitation in AA7030 during cyclic deformation
Effect of heat treatment on the strain hardening behaviour of an Al-Zn-Mg alloy
Monotonic and Cyclic Plastic Deformation of High-Strength Aluminium Alloys
Unloading stiffness of near fully pearlitic steel UIC-R8/R8T during cyclic plastic straining
Influence of Heat Treatment on the Cyclic Deformation Properties of Aluminium Alloy AA7030
Temperature and Strain Rate Effects on the Work Hardening of AA7030
Temperature and strain rate dependence of the dynamic strain ageing effect in an Al-Zn-Mg alloy
The Plastic Flow Behaviour of Aluminium Alloys Exhibiting Dynamic Strain Ageing
Temperature and Strain Rate Effects on the Dynamic Strain Ageing of AA7030
Dynamic strain ageing effects in an extruded AA 7030 alloy subjected to tensile deformation
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Visar 21 forskningsprojekt
Sprickbildning i Ni-baserade superlegingar under Additiv Tillverkning
Neutron och röntgenvetenskap för industriella transformationer (NEXT)
Fasstabilitet och polymorfism i högentropilegeringar
In-situ-diffraktion av Mo(Si,Al)2 för hållbara industriella uppvärmningstillämpningar
Neutroner och röntgenstrålning för att möjliggöra industriella tekniksprång
Synkrotron-nano-diffraktion för avancerade CVD skikt
Utveckling av nästa generations MoSi2 högtemperaturmaterial
Experimentell mikromekanik i tre dimensioner
Analys och modelleringstjänst för tekniska material studerad med neutroner
Termo-mekanisk formning av nickel-baserade superlegeringar (TherMechPro)
Provmiljö för nano-mekanisk provning på MAX IV
Self-consistent modelling for neutron scattering applications
In-situ mekanisk provning vid ultra-höga temperaturer vid BEER
Enabling energy savings through additive manufacturing – The effect of going small
Oxidationsbefrämjad spricktillväxt i gasturbinmaterial
Mikro-mekanisk in-situ-provning av gränsytor för flerskalemodellering av brottförlopp