• Precipitation and strengthening modeling for disk-shaped particles in aluminum alloys: Size distribution considered 

      Li, Yue; Holmedal, Bjørn; Li, Hongxiang; Zhuang, Linzhong; Zhang, Jishan; Du, Qiang (Journal article, 2018)
      For an ICME (Integrated Computational Material Engineering) modeling framework used for the age-hardening aluminum alloy design and heat treatment parameters optimization, it is critical to take into account the geometric ...
    • Precipitation behavior in an Al-Cu-Mg-Si alloy during ageing 

      Gazizov, Marat; Marioara, Calin Daniel; Friis, Jesper; Wenner, Sigurd; Holmestad, Randi; Kaibyshev, Rustam (Peer reviewed; Journal article, 2019)
      The precipitation behavior and aging response of an Al-4.9Cu-0.74Mg-0.51Si-0.48Mn-0.1Cr-0.08Ti-0.02Fe (wt. %) alloy was examined in detail after aging at 170 °C with different dwell times up to 96 h. Deformation by ...
    • Precipitation behavior in an Al-Cu-Mg-Si alloy during ageing 

      Gazizov, Marat; Marioara, Calin Daniel; Friis, Jesper; Wenner, Sigurd; Holmestad, Randi; Kaibyshev, Rustam (Peer reviewed; Journal article, 2019)
      The precipitation behavior and aging response of an Al-4.9Cu-0.74Mg-0.51Si-0.48Mn-0.1Cr-0.08Ti-0.02Fe (wt. %) alloy was examined in detail after aging at 170 °C with different dwell times up to 96 h. Deformation by ...
    • Precipitation behavior of Al-Si-Cu-Mg(-Fe) alloys by a deformation-semisolid extrusion process 

      Kim, DaeHan; Kim, JaeHwang; Wenner, Sigurd; Thronsen, Elisabeth; Marioara, Calin Daniel; Holmestad, Randi; Kobayashi, Equo (Journal article; Peer reviewed, 2021)
    • Precipitation behavior of Al-Si-Cu-Mg(-Fe) alloys by a deformation-semisolid extrusion process 

      Kim, DaeHan; Kim, JaeHwang; Wenner, Sigurd; Thronsen, Elisabeth; Marioara, Calin Daniel; Holmestad, Randi; Kobayashi, Equo (Journal article; Peer reviewed, 2021)
      Al-4.5Si-1Cu-0.3Mg(-1Fe) (wt%) alloys fabricated by a deformation-semisolid extrusion (D-SSE) process have been investigated by transmission electron microscopy, down to the atomic level. T5 and T6 heat treatments were ...
    • Precipitation Hardening in Ferroelectric Ceramics 

      Zhao, Changhao; Gao, Shuang; Yang, Tiannan; Scherer, Michael; Schultheiss, Jan; Meier, Dennis; Tan, Xiaoli; Kleebe, Hans-Joachim; Chen, Long-Qing; Koruza, Jurij; Rödel, Jürgen (Peer reviewed; Journal article, 2021)
      Domain wall motion in ferroics, similar to dislocation motion in metals, can be tuned by well-concepted microstructural elements. In demanding high-power applications of piezoelectric materials, the domain wall motion is ...
    • Precipitation hardening in ferroelectric ceramics 

      Zhao, Changhao; Gao, Shuang; Yang, Tiannan; Scherer, Michael; Schultheiss, Jan; Meier, Dennis Gerhard; Tan, Xiaoli; Kleebe, Hans-Joachim; Chen, Long-Qing; Koruza, Jurij; Rödel, Jürgen (Peer reviewed; Journal article, 2021)
      Domain wall motion in ferroics, similar to dislocation motion in metals, can be tuned by well-concepted microstructural elements. In demanding high-power applications of piezoelectric materials, the domain wall motion is ...
    • Precipitation in a mixed Al-Cu-Mg/Al-Zn-Mg alloy system 

      Wenner, Sigurd; Friis, Jesper; Marioara, Calin Daniel; Holmestad, Randi (Journal article, 2016)
      The precipitation-hardened alloy systems Al–Cu–Mg (2xxx) and Al–Zn–Mg (7xxx) were compositionally combined from a base alloy containing 2% Cu and 1% Mg, added 1–4% Zn (weight fractions). Precipitates in these alloys were ...
    • Precipitation in an A356 foundry alloy with Cu additions - A transmission electron microscopy study 

      Mørtsell, Eva Anne; Qian, Feng; Marioara, Calin Daniel; Li, Yanjun (Journal article; Peer reviewed, 2019)
      The influence of different Cu addition levels on the age hardening and precipitation behaviors in an Al356 foundry alloy during artificial aging treatment has been systematically studied. A detailed characterization of the ...
    • Precipitation in an Al-Mg-Cu alloy and the effect of a low amount of Ag 

      Mihara, Mami; Marioara, Calin Daniel; Andersen, Sigmund Jarle; Holmestad, Randi; Kobayashi, Equo; Sato, Tatsuo (Journal article, 2016)
      Two high-purity aluminium alloys based on composition Al–3.0Mg–1.0Cu (wt%), one with added 0.4 wt% Ag, were compared up to 11 days ageing at 443 K by means of transmission electron microscopy and hardness measurements. The ...
    • Precipitation in an extruded AA7003 aluminium alloy: Observations of 6xxx-type hardening phases 

      Lervik, Adrian; Marioara, Calin Daniel; Kadanik, Maria; Walmsley, John; Milkereit, Benjamin; Holmestad, Randi (Journal article; Peer reviewed, 2019)
      Precipitation behaviour in an industrially extruded AA7003 alloy has been studied using Transmission Electron Microscopy (TEM) together with Differential Scanning Calorimetry (DSC). Air Cooling (AC) after solution heat ...
    • Precipitation of Non-Spherical Particles in Aluminum Alloys Part I: Generalization of the Kampmann–Wagner Numerical Model 

      Holmedal, Bjørn; Osmundsen, Elisa; Du, Qiang (Journal article, 2015)
      Particles precipitated during aging treatments often have non-spherical shapes, e.g., needles or plates, while in the classical Kampmann–Wagner Numerical (KWN) precipitation model, it is assumed that the particles are of ...
    • Precipitation of silver particles with controlled morphologies from aqueous solutions 

      Wang, Lijuan; Andreassen, Jens-Petter; Ucar, Seniz (Journal article; Peer reviewed, 2019)
      Synthesis of silver particles with controlled morphologies enables their use in a variety of applications. Although several synthetic approaches have been developed to successfully modify the final particle shape, the ...
    • Precipitation, mechanical properties and early slant ductile fracture in cyclic and naturally aged Al-Zn-Mg(-Cu) alloys 

      Shah, Sohail; Gopal, Akash; Thronsen, Elisabeth; Hatzoglou, Constantinos; Holmedal, Bjørn (Peer reviewed; Journal article, 2022)
      Natural and artificial ageing treatments are compared with ageing by cyclic deformation at room temperature. Atom probe tomography and transmission electron microscopy revealed that a fine distribution of GP-zones, was ...
    • Precipitation, strength and work hardening of age hardened aluminium alloys 

      Ryen, Øyvind; Holmedal, Bjørn; Marthinsen, Knut; Furu, Trond (Journal article; Peer reviewed, 2015)
      The strength and work hardening of age hardened AA6063 and AA6082 alloys have been investigated in terms of a detailed characterization of precipitate and dislocation structures obtained by TEM and SEM. Tensile and compression ...
    • Precise geoid determination over Sweden using the Stokes-Helmert method and improved topographic corrections 

      Nahavandchi, Hossein; Sjöberg, Lars Erik (Peer reviewed; Journal article, 2001)
      Four different implementations of Stokes's formula are employed for the estimation of geoid heights over Sweden: the Vincent and Marsh (1974) model with the high-degree reference gravity field but no kernel modifications; ...
    • Precision calculation of the entrance length for laminar flow of Bingham fluid between parallel plates with yield number from 0 to 1000 

      Lavrov, Alexandre (Journal article; Peer reviewed, 2024)
      An estimate of the entrance length for a Bingham fluid flowing between parallel plates is needed in engineering applications. The dimensionless entrance length is a function of yield number. The primary objective of this ...
    • Precision Deep-Stall Landing of Fixed-Wing UAVs using Nonlinear Model Predictive Control 

      Mathisen, Siri Gulaker; Gros, Sebastien; Johansen, Tor Arne (Peer reviewed; Journal article, 2020)
      To be able to recover a fixed-wing unmanned aerial vehicle (UAV) on a small space like a boat deck or a glade in the forest, a steep and precise descent is needed. One way to reduce the speed of the UAV during landing is ...
    • Precision fish farming: A new framework to improve production in aquaculture 

      Føre, Martin; Frank, Kevin; Norton, Tomas; Svendsen, Eirik; Alfredsen, Jo Arve; Dempster, Timothy David; Eguiraun, Harkaitz; Watson, Win; Stahl, Annette; Sunde, Leif Magne; Schellewald, Christian; Skøien, Kristoffer Rist; Alver, Morten; Berckmans, Daniel (Journal article; Peer reviewed, 2017)
      Aquaculture production of finfish has seen rapid growth in production volume and economic yield over the last decades, and is today a key provider of seafood. As the scale of production increases, so does the likelihood ...
    • Precision Tuning the Rust Memory-Safe Programming Language 

      Magnani, Gabriele; Denisov, Lev; Cattaneo, Daniele; Agosta, Giovanni; Cherubin, Stefano (Journal article, 2024)