Now showing items 791-810 of 1042

    • Quantifying the grain boundary segregation strengthening induced by post-ECAP aging in an Al-5Cu alloy 

      Jia, Hailong; Bjørge, Ruben; Cao, Lingfei; Hui, Song; Marthinsen, Knut; Li, Yanjun (Journal article; Peer reviewed, 2018)
      Hardening on annealing (HOA) has been frequently observed in nanostructured metals and alloys. For nanostructured materials obtained by severe plastic deformation (SPD), HOA has been attributed to the reduction of dislocation ...
    • A quick and versatile one step metal-organic chemical deposition method for supported Pt and Pt-alloy catalysts 

      Jackson, Colleen; Smith, Graham T.; Mpofu, Nobuhle; Dawson, Jack M. S.; Khoza, Thulile; September, Caelin; Taylor, Susan M.; Inwood, David W.; Leach, Andrew S.; Kramer, Denis; Russell, Andrea E.; Kucernak, Anthony R. J.; Levecque, Pieter B. J. (Peer reviewed; Journal article, 2020)
      A simple, modified Metal–Organic Chemical Deposition (MOCD) method for Pt, PtRu and PtCo nanoparticle deposition onto a variety of support materials, including C, SiC, B4C, LaB6, TiB2, TiN and a ceramic/carbon nanofiber, ...
    • Reactive instabilities in linear acidizing on carbonates 

      Papamichos, Euripides; Strongylis, Polyneikis; Bauer, Andreas (Peer reviewed; Journal article, 2020)
      Acid injection, reactive instabilities and wormholing in carbonate reservoirs is investigated through the analysis of the linear acidizing problem theoretically and experimentally. Theoretically acidizing was analyzed by ...
    • Reactivity of CaO with CO2 in molten CaF2–NaF: formation and decomposition of carbonates 

      Tomkute, Viktorija; Solheim, Asbjørn; Sakirzanovas, Simas; Olsen, Espen (Journal article; Peer reviewed, 2016)
    • Reactivity of coke in relation to sulfur level and microstructure 

      Jahrsengene, Gøril; Rørvik, Stein; Ratvik, Arne Petter; Lossius, Lorentz Petter; Haverkamp, Richard G.; Svensson, Ann Mari (The Minerals, Metals & Materials Series;2367-1181, Peer reviewed; Journal article, 2019)
      Shrinkage induced flow, thermo-solutal convection and equiaxed grain motion are the major transport mechanisms contributing to macrosegregation formation in aluminum alloys produced through Direct Chill casting. Experimental ...
    • Real Time 3D Observations of Portland Cement Carbonation at CO2 Storage Conditions 

      Chavez Panduro, Elvia Anabela; Cordonnier, Benoit; Gawel, Kamila; Børve, Ingrid; Iyer, Jaisree; Carroll, Susan; Michels, Leander; Rogowska, Melania; McBeck, Jessica Ann; Sørensen, Henning; Walsh, Stuart; Renard, Francois; Gibaud, Alain; Torsæter, Malin; Breiby, Dag Werner (Peer reviewed; Journal article, 2020)
      Depleted oil reservoirs are considered a viable solution to the global challenge of CO2 storage. A key concern is whether the wells can be suitably sealed with cement to hinder the escape of CO2. Under reservoir conditions, ...
    • Real time 3D observations of Portland Cement Carbonation at CO2 storage conditions 

      Chavez Panduro, Elvia Anabela; Cordonnier, Benoit; Gawel, Kamila; Børve, Ingrid; Iyer, Jaisree; Carroll, Susan; Michels, Leander; Rogowska, Melania; McBeck, Jessica Ann; Sørensen, Henning; Walsh, Stuart; Renard, Francois; Gibaud, Alain; Torsæter, Malin; Breiby, Dag Werner (Peer reviewed; Journal article, 2020)
      Depleted oil reservoirs are considered a viable solution to the global challenge of CO2 storage. A key concern is whether the wells can be suitably sealed with cement to hinder the escape of CO2. Under reservoir conditions, ...
    • Real-Time Measurements and Characterization of Airborne Particulate matter from a Primary Silicon Carbide Productin Plant 

      Jørgensen, Rikke Bramming; Kero, Ida (Peer reviewed; Journal article, 2017)
      Airborne particulate matter in the silicon carbide (SiC) industry is a known health hazard. The aims of this study were to elucidate whether the particulate matter generated inside the Acheson furnace during active operation ...
    • Recombination activity of grain boundaries in high-performance multicrystalline Si during solar cell processing 

      Krzysztof, Adamczyk; Søndenå, Rune; Stokkan, Gaute; Looney, Erin; Jensen, Mallory; Lai, Barry; Rinio, Markus; Sabatino, Marisa Di (Journal article; Peer reviewed, 2018)
      In this work, we applied internal quantum efficiency mapping to study the recombination activity of grain boundaries in High Performance Multicrystalline Silicon under different processing conditions. Wafers were divided ...
    • Recovery of Platinum Group Metals From Secondary Sources by Selective Chlorination from Molten Salt Media 

      Martinez, Ana Maria Cuellar; Osen, Karen Sende; Støre, Anne (The Minerals, Metals & Materials Series;2367-1181, Peer reviewed; Journal article, 2020)
      The use of molten salts as “solvents” offers interesting possibilities for the treatment of ores, industrial by-products as well as scraps, allowing the development of processes that are mid-way between pyro- and ...
    • Recycling of the Flue Gas from Aluminium Electrolysis Cells 

      Solheim, Asbjørn; Senanu, Samuel (The Minerals, Metals & Materials Series;2367-1181, Chapter; Peer reviewed, 2020)
      Recycling of the flue gas from aluminium reduction cells is a possible method for increasing the CO2 concentration, thereby enabling CO2 capture. The present paper represents a preliminary study concerning some of the ...
    • Recycling of the Rare Earth Oxides from Spent Rechargeable Batteries Using Waste Metallurgical Slags 

      Tang, Kai; Ciftja, Arjan; Eijk, Casper van der; Wilson, Shawn C.; Tranell, Gabriella (Journal article; Peer reviewed, 2013)
      A high temperature process for recycling spent nickel-metal hydride rechargeable batteries has been recently developed at SINTEF/NTNU. The spent battery modules were first frozen with liquid nitrogen for the de-activation ...
    • Reduced well path parameterization for optimization problems through machine learning 

      Kristoffersen, Brage Strand; Bellout, Mathias; Silva, Thiago Lima; Berg, Carl Fredrik (Peer reviewed; Journal article, 2021)
      In this work we apply a recently developed machine learning routine for automatic well planning to simplify well parameterization in reservoir simulation models. This reduced-order parameterization is shown to be beneficial ...
    • Reduction and Dissolution Behaviour of Manganese Slag in the Ferromanganese Process 

      Li, Xiang; Tang, Kai; Tangstad, Merete (Journal article; Peer reviewed, 2020)
      The reduction and liquidus behaviour of manganese slag with different basicities were studied in non-isothermal experiments in the temperature range of 1400–1500 °C. Certain amounts of quartz were added to Assmang ore ...
    • Reference case and test case for benchmarking of HiPerCap technologies 

      Kvamsdal, Hanne Marie; Haugen, Geir; Brown, Jock; Wolbers, Patrick F.; Drew, Richsrd J.; Khakharia, Purvil; Monteiro, Juliana Garcia Moretz-Sohn; Goetheer, Earl L.V.; Middelkamp, Jan; Kanniche, Mohamed S.; Sirvent, Antoni Julià (Peer reviewed; Journal article, 2017)
      HiPerCap aims to develop high-potential novel and environmentally benign technologies and processes for post-combustion CO2 capture leading to real breakthroughs. The project includes all the main separation categories for ...
    • Reference data set of volcanic ash physicochemical and optical properties 

      Vogel, Andreas; Diplas, Spyridon; Durant, Adam; Azar, Amin Shahrestani; Sunding, Martin Fleissner; Rose, William I.; Sytchkova, Anna Krasilnikova; Bonadonna, Costanza; Krüger, Kirstin; Stohl, Andreas (Peer reviewed; Journal article, 2017)
      Uncertainty in the physicochemical and optical properties of volcanic ash particles creates errors in the detection and modeling of volcanic ash clouds and in quantification of their potential impacts. In this study, we ...
    • Regional aspects of a climate and energy tax reform in Norway – exploring double and multiple dividends 

      Johansen, Ulf; Valdes, Gerardo Alfredo Perez; Werner, Adrian (Journal article; Peer reviewed, 2018)
      We investigate the potential for double or even multiple dividends arising from a climate and energy tax reform (CETR), using a regional computable general equilibrium model. Such dividends indicate if government revenues ...
    • Relations between Static and Dynamic Moduli of Sedimentary Rocks 

      Fjær, Erling (Peer reviewed; Journal article, 2019)
      Static moduli of rocks are usually different from the corresponding dynamic moduli. The ratio between them is generally complex and depends on several conditions, including stress state and stress history. Different drainage ...
    • Relationship between polarities of antibiotic and polymer matrix on nanoparticle formulations based on aliphatic polyesters 

      Ritsma, Jeffrey; Herschberg, E.M.A.; Borgos, Sven Even F.; Løvmo, Cathrine; Schmid, Ruth; Welscher, Y.M te; Storm, Gert; Nostrum, C.F. van (Journal article; Peer reviewed, 2017)
    • Removal and recovery of indium from ITO coated glass and scraps using molten salt electrolysis 

      Cui, Peng; Qin, Bo; Martinez, Ana Maria Cuellar; Haarberg, Geir Martin (Peer reviewed; Journal article, 2019)
      Indium is an important strategic resource due to the scarcity for the metal. In the present study, molten salt electrolysis is used to reduce indium from ITO coated glass and scraps in order to seek a new way to recycle ...