• Nanomechanical Characteristics of Trapped Oil Droplets with Nanoparticles: A Molecular Dynamics Simulation 

      Chang, Yuanhao; Xiao, Senbo; Fu, Yuequn; Wang, Xiao; Zhang, Zhiliang; He, Jianying (Peer reviewed; Journal article, 2021)
      Nanoparticles (NPs) possess great potentials in applications to enhanced oil recovery (EOR), the underlying mechanisms of which however remain to be explored. In this study, the motion of NPs and the local pressure ...
    • Nanomechanical characterization of additively manufactured metallic alloys 

      Liu, Siqi (Doctoral theses at NTNU;2022:96, Doctoral thesis, 2022)
      Additive manufacturing (AM), a burgeoning manufacturing method for producing metallic materials, induces extraordinary impacts on the resulting performance. It is of great importance to investigate the microstructure and ...
    • Nanomechanical Characterization of Single Micron-Sized Polymer Particles 

      He, Jianying; Zhang, Zhiliang; Kristiansen, H (Journal article; Peer reviewed, 2009)
      The mechanical characterization of single micron‐sized polymer particles is very important for understanding the anisotropic conductive adhesives interconnection. In this article, a nanoindentation‐based flat punch method ...
    • Nanomechanical Fracture Testing of Diatoms 

      Heggem, Ole Martin (Master thesis, 2015)
      A way to test the fracture properties of the foramen layer has been developed and tested. Cantilevers made out of the diatom silica were produced with the Focused Ion Beam (FIB). These had notches milled close to the base ...
    • NANOMECHANICAL TESTING OF CGHAZ OF ARCTIC STEEL 

      Snartland, Brage Dahl (Master thesis, 2015)
      An ever increasing demand for energy is forcing the oil industry to push technology forward, as new oil rich fields are discovered further North. The Arctic offers a harsh, cold climate, leading to new challenges within ...
    • Nanomechanical Testing of Diatoms 

      Vebner, Marius Juelsrud (Master thesis, 2013)
      Diatoms, a major group of algea, are protected by a nanostructured shell, built with a design that exceeds the capabilities of human engineering. These shells, termed frustules, consist of biosilica and give the organism ...
    • NANOMECHANICAL TESTING OF DIATOMS 

      Bjørnøy, Sindre Hove (Master thesis, 2012)
      A test scheme to test micro-beams from diatom frustule has been developed. The method is capable of testing both complete beams and beams made from the individual layers of the frustule. The biosilica is shown to be a very ...
    • NANOMECHANICAL TESTING OF ICCGHAZ OF ARCTIC STEEL 

      Kvaal, Aksel Louis Legouy (Master thesis, 2015)
      An ever increasing demand for energy is forcing the oil industry to push technology forward, as new oil rich fields are discovered further North. The Arctic offers a harsh, cold climate, leading to new challenges within ...
    • Nanomechanical testing of in situ hydrogen charged high strength steel 

      Kuipers, Jonatan (Master thesis, 2013)
      The effect of finely dispersed titanium carbides on the nanomechanical behavior of high strength steel in the presence of hydrogen has been investigated. Nano sized pillars have been milled from steel samples using a Focused ...
    • Nanomechanical testing of iron and steel 

      Bjørn Rune Sørås Rogne (Doctoral thesis at NTNU;2014:339, Doctoral thesis, 2014)
    • NANOMECHANICS OF POLYMERAND COMPOSITE PARTICLES 

      He, Jianying (Doktoravhandlinger ved NTNU, 1503-8181; 2009:213, Doctoral thesis, 2009)
      This thesis concerns the nanomechanics of micron-sized polymer and composite particles used in electronic packaging technology. The aim of this PhD study is to develop a scientific methodology for characterizing the ...
    • Nanomekanisk prøving av stål: Er mindre alltid sterkere? 

      Haugen, Veronica Gausel (Master thesis, 2012)
      Gjennom dette arbeidet, er nanomekaniske kompresjonsegenskaper undersøkt for tre forskjellige materialer: To stål legeringer og et renjern. Pillarer av varierende størrelse, fra diameter 100nm til 2um, er fabrikkert ved ...
    • Nanoparticle effect on Interfacial Properties related to Enhanced Oil Recovery 

      Andreassen, Line (Master thesis, 2015)
      This thesis takes a look at what has been done before with nanoparticles in EOR, and then experimentally investigates the effect of nanoparticles on fluid properties, in particular interfacial tension and wettability. The ...
    • Nanorubber-modified cement system for oil and gas well cementing application 

      Jafariesfad, Narjes; Khalifeh, Mahmoud; Skalle, Pål; Geiker, Mette Rica (Journal article, 2017)
      Flexible cement systems with low shrinkage are more capable than the conventional cement systems to withstand the tensile stresses generated by fluctuation of temperature and pressure in oil and gas wells. In this work ...
    • Nanoscale Correlations of Ice Adhesion Strength and Water Contact Angle 

      Rønneberg, Sigrid; Xiao, Senbo; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2020)
      Surfaces with low ice adhesion represent a promising strategy to achieve passive anti-icing performance. However, as a successful and robust low ice adhesion surface must be tested under realistic conditions at low ...
    • Nanoscale creep behavior and its size dependency of a Zr-based bulk metallic glass manufactured by selective laser melting 

      Liu, Siqi; Chang, Zexin; Fu, Yuequn; liu, yuyu; Lin, Meichao; Ren, Xiaobo; Wang, Wenxian; Zhang, Zhiliang; He, Jianying (Journal article; Peer reviewed, 2022)
      Nanoscale creep behaviors of metallic glasses (MGs) have gathered considerable interests in recent years, owing to their distinct atomistic mechanisms of plasticity. Additive manufacturing (AM) is a burgeoning technique ...
    • Nanoscale Deicing by Molecular Dynamics Simulation 

      Xiao, Senbo; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2016)
      Deicing is important to human activities in low-temperature circumstances, and is critical to combat the damages caused by excessive accumulation of ice. The aim of creating anti-icing materials, surfaces and applications ...
    • Nanoscale friction and wear of a polymer coated with graphene 

      Vacher, Robin Sam; de Wijn, Astrid S. (Journal article; Peer reviewed, 2022)
      Friction and wear of polymers at the nanoscale is a challenging problem due to the complex viscoelastic properties and structure. Using molecular dynamics simulations, we investigate how a graphene sheet on top of the ...
    • Nanoscale Hydrate Adhesion on Organic Surfaces 

      Ma, Rui; Xiao, Senbo; Chang, Yuanhao; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2024)
      The future of addressing persistent gas hydrate blockages in oil and gas pipelines lies in the realm of surface material design, aimed at reducing environmental harm and energy inefficiencies associated with traditional ...
    • Nanoscale modelling of combined isotropic and kinematic hardening of 6000 series aluminium alloys 

      Myhr, Ole Runar; Børvik, Tore; Marioara, Calin Daniel; Wenner, Sigurd; Hopperstad, Odd Sture (Peer reviewed; Journal article, 2020)
      Kinematic hardening is incorporated into a nanoscale model for 6000 series aluminium alloys consisting of three sub-models describing in turn precipitation of hardening particles, yield strength and work hardening. The ...