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Effect of copper on fine precipitates at the early stage of aging in Al-Mg-X (X=Si, Ge, Zn) alloys
(Journal article, 2017)Age-hardenable Al–Mg–Si, Al–Mg–Ge, and Al–Zn–Mg alloys including Cu were investigated by transmission electron microscopy to understand extra diffraction spots that appear in their selected area electron diffraction patterns. ... -
Effect of cyclic ageing on the early-stage clustering in Al–Zn-Mg(-Cu) alloys
(Peer reviewed; Journal article, 2022)The cyclic application of mechanical stress to aluminum alloys at room temperature, referred to as cyclic ageing, continuously injects vacancies, enabling dynamic precipitation of a fine distribution of solute clusters. ... -
The effect of deformation and natural ageing in an Al-Mg-Si-Cu alloy with high Cu-content: A transmission electron microscopy study
(Master thesis, 2018)The effect of the combination of natural ageing and deformation to 80 % on precipitation in an Al-Mg-Si-Cu alloy has been investigated by different transmission electron microscopy (TEM) techniques. Similar research is ... -
Effect of different microstructural features on the hydrogen embrittlement susceptibility of alloy 718
(Journal article; Peer reviewed, 2018)Due to its high strength and acceptable corrosion resistance, Alloy 718 is a viable material for the use in subsea applications. The alloy's susceptibility to hydrogen embrittlement is however limiting its viability. In ... -
Effect of ECAP prior to aging on microstructure, precipitation behaviour and mechanical properties of an Al-Cu-Mg alloy
(Journal article; Peer reviewed, 2018)Microstructure, precipitation behaviour and mechanical properties of an Al-5.64Cu-0.33Mn-0.23Mg-0.14Zr-0.11Ti (in wt. %) alloy subjected to thermomechanical processing (TMP) involving equal-channel angular pressing (ECAP) ... -
The Effect of Elevated Temperatures on Precipitation in Aluminium Alloys – An Advanced Transmission Electron Microscopy Study
(Doctoral theses at NTNU, 2020:229, Doctoral thesis, 2020)Aluminium (Al) alloys are increasingly found and sought-after in applications that involve exposure to elevated temperatures. Examples are automotive components located in the engine room, heat exchangers, and subsea/offshore ... -
Effect of Germanium in Silicon for Solar Applications
(Master thesis, 2016)The effect of Ge in multicrystalline Silicon wafers is studied along with a comparison in smaller scale systems (microwires). -
Effect of Glutaminase Inhibition in Basal-Like Patient-Derived Xenografts Analyzed by Magnetic Resonance Spectroscopy
(Master thesis, 2017)Breast cancer is today the leading cause for cancer related deaths among women in Europe. Decreased mortality among breast cancer patients has been observed over the last twenty years, where development and use of targeted ... -
Effect of heat input on nanomechanical properties of wire-arc additive manufactured Al 4047 alloys
(Peer reviewed; Journal article, 2022)Heat input is one of the most important process parameters during additive manufacturing (AM). It is of great significance to understand the effect of heat input on the microstructure and nanomechanical properties, as well ... -
Effect of low Cu addition and thermo-mechanical history on precipitation in Al-Mg-Si alloys
(Journal article, 2014)The effect of cooling rate after solution heat treatment and its combination with 1% pre-deformation on precipitation hardening in two Al-Mg-Si alloys is investigated by transmission electron microscopy (TEM), and related ... -
The effect of macromolecular crowding with polyanions on DNA condensation
(Master thesis, 2018)The condensation of DNA induced by the cationic surfactant CTAB was investigated in the presence of the negatively charged macromolecule PAMAM. Surprisingly, PAMAM promotes rather than inhibits condensation, as opposed to ... -
Effect of midgap states on the magnetic exchange interaction mediated by a d-wave superconductor
(Peer reviewed; Journal article, 2021)We theoretically study the indirect interaction between two ferromagnetic contacts located on the surface of a d-wave superconductor. When the magnets are connected to a {010} edge of the superconductor we find an oscillating ... -
Effect of Mn and cooling rates on α-, β- and δ-Al–Fe–Si intermetallic phase formation in a secondary Al–Si alloy
(Journal article; Peer reviewed, 2019)Secondary Al–Si alloys Al7.1Si(1.5-xMn)Fe(xMn)Mn with xMn = 0, 0.3, 0.375, 0.6, 0.75 at.% have been solidified with different cooling rates: 0.05 K/s, 1.4 K/s, 11.4 K/s and 200 K/s. In the ternary alloy with xMn = 0 at.%, ... -
Effect of Multiply Twinned Ag(0) Nanoparticles on Photocatalytic Properties of TiO2 Nanosheets and TiO2 Nanostructured Thin Films
(Peer reviewed; Journal article, 2022)Ag-decorated TiO2 nanostructured materials are promising photocatalysts. We used non-standard cryo-lyophilization and ArF laser ablation methods to produce TiO2 nanosheets and TiO2 nanostructured thin films decorated with ... -
Effect of Natural Ageing on an Al-Cu-Mg-Si Alloy: A Transmission Electron Microscopy Study
(Master thesis, 2022)Effekten av naturlig elding på utfelling av presipitater i en udeformert Al-Cu-Mg-Si legering ble undersøkt ved ulike teknikker i transmisjonselektronmikroskopi (TEM). Målet med studiet var å relatere presipitatstatistikk, ... -
The effect of natural ageing on clustering and precipitation in heat-treatable aluminium alloys
(Doctoral theses at NTNU;2022:274, Doctoral thesis, 2022)The consumption volume of aluminium (Al) alloys is expected to increase in the coming years. They are typically used in the automotive industry, where light-weighting has become a major design consideration to save fuel, ... -
Effect of Natural Ageing Temperature and Time on Precipitation in 6xxx Aluminium Alloys
(Master thesis, 2022)Hovedformålet med dette MSc prosjektet er å undersøke påvirkningen av temperatur i mellomlagrings-leddet på 6xxx aluminium (Al) serien. Familien av 6xxx Al legeringer er vist å nå et platå i hardhet som er avhengig av ... -
Effect of nitrogen pressure and substrate bias voltage on the properties of Al–Cr–B–N coatings deposited using cathodic arc evaporation
(Peer reviewed; Journal article, 2021)Cathodic arc evaporation deposition method was applied to forming Al–Cr–B–N coatings. The effect of nitrogen pressure (pN2) and substrate bias voltage (UB) on the properties of the coatings synthesized using Al50Cr30Br20 ... -
Effect of oxygen partial pressure on the density of antiphase boundaries in Fe3O4 thin films on Si(100)
(Journal article; Peer reviewed, 2018)Polycrystalline Fe3O4 thin films were grown on Si(100) substrate by reactive DC sputtering at different oxygen partial pressures for controlling the growth associated density of antiphase boundaries (APBs). The micro-Raman ... -
Effect of polar (111)-oriented SrTiO3 on initial perovskite growth
(Journal article, 2016)In crystalline thin film growth a prerequisite is substrate surfaces with a stable and uniform structure and chemical composition. Various substrate treatments were used to obtain atomically smooth, step-and-terrace ...