Blar i NTNU Open på forfatter "He, Jianying"

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    • Displacement mechanism of oil in shale inorganic nanopores by supercritical carbon dioxide from molecular dynamics simulations 

      Liu, Bing; Wang, Chao; Zhang, Jun; Xiao, Senbo; Zhang, Zhiliang; Shen, Yue; sun, baojiang; He, Jianying (Journal article; Peer reviewed, 2017)
      Supercritical CO2 (scCO2), as an effective displacing agent and clean fracturing fluid, exhibits a great potential in enhanced oil recovery (EOR) from unconventional reservoirs. However, the microscopic translocation ...

    • Displacement of Nanofluids in Silica Nanopores: Influenced by Wettability of Nanoparticles and Oil Components 

      Wang, Xiao; Xiao, Senbo; Zhang, Zhiliang; He, Jianying (Journal article; Peer reviewed, 2018)
      The fundamental understanding of fluids transportation in confined nanopores is essential for groundwater remediation, oil exploration, water purification, etc. Here, all-atom models of various oil components and nanoparticles ...

    • The dual role of hydrogen in grain boundary mobility 

      Ding, Yu; Zhao, Kai; Lin, Meichao; Yu, Haiyang; Xiao, Senbo; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2023)
      ABSTRACT The effect of solute hydrogen on shear-coupled grain boundary (GB) migration is investigated with the dislocation-array type Σ25(430)[001] GB and a dual role of hydrogen on GB mobility is unraveled. In the low ...

    • Dual-Ionic Hydrogels with Ultralong Anti-dehydration Lifespan and Superior Anti-icing Performance 

      Li, Tong; Xu, Ke; Shi, Lianxin; Wu, Jianyang; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2022)
      Water-rich hydrogels find a wide range of promising applications due to their combined solid/liquidlike properties. However, hydrogels often exhibit a short lifespan and suffer from functional failure due to water depletion ...

    • Ductile mechanisms of metals containing pre-existing nanovoids 

      Zhao, Kai; Ringdalen, Inga Gudem; Wu, Jianyang; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2016)
      The void growth in monocrystalline Cu and Fe are investigated by molecular dynamics simulations to reveal the ductile mechanisms based on dislocation emission and propagation. The results show that the void growth in Cu ...

    • Durable low ice adhesion foams modulated by submicron pores 

      Li, Tong; Zhuo, Yizhi; Håkonsen, Verner; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2019)
      Ice accretion is a severe challenge for both production and livelihood in cold regions. Previously reported high-performance icephobic surfaces by infusing lubricants are either temporarily icephobic, chemically unstable ...

    • Dynamic anti-icing surfaces (DAIS) 

      Wang, Feng (Doctoral theses at NTNU;2020:330, Doctoral thesis, 2020)
      Icing is one of the most ubiquitous natural phenomena accompanying human activities. Undesired ice generation and accretion are extremely hazardous to aircrafts, ships, electrical transmission cables, wind turbines, motor ...

    • Dynamic anti-icing surfaces (DAIS) 

      Wang, Feng; Zhuo, Yizhi; He, Zhiwei; Xiao, Senbo; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2021)
      Remarkable progresses have been made in surface icephobicity in the recent years. The mainstream standpoint of the reported anti-icing surfaces yet only considers the ice-substrate interface and its adjacent regions being ...

    • Effect of amorphization-mediated plasticity on the hydrogen-void interaction in ideal lattices under hydrostatic tension 

      Zhao, Kai; He, Jianying; Ringdalen, Inga Gudem; Zhang, Zhiliang (Journal article; Peer reviewed, 2018)
      A thermodynamic model is derived to study the void nucleation in ideal lattices under hydrostatic tension loading and predicts that the plasticity has to be initiated before homogeneous nucleation of voids. Molecular ...

    • Effect of chain architecture on the compression behavior of nanoscale polyethylene particles 

      Wu, Jianyang; He, Jianying; Odegard, Gregory; Zhang, Zhiliang (Journal article; Peer reviewed, 2013)
      Polymeric particles with controlled internal molecular architectures play an important role as constituents in many composite materials for a number of emerging applications. In this study, classical molecular dynamics ...

    • Effect of grain boundary on the crack-tip plasticity under hydrogen environment: an atomistic study 

      Zhao, Kai; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2019)
      It has been found that the plasticity is significantly affected by the hydrogen interstitials in metallic materials. However, the underlying physics responsible for the dislocation/hydrogen interactions is still poorly ...

    • Effect of heat input on nanomechanical properties of wire-arc additive manufactured Al 4047 alloys 

      Liu, Siqi; Wan, Di; Peng, Ding; Lu, Xu; Ren, Xiaobo; Fu, Yuequn; Wang, Feng; Li, Yanjun; Zhang, Zhiliang; He, Jianying (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 hydrogen on dislocation nucleation in alloy 718 

      Stenerud, Gaute; Johnsen, Roy; Olsen, Jim Stian; He, Jianying; Barnoush, Afrooz (Journal article; Peer reviewed, 2017)
      In situ electrochemical nanoindentation has been used to study the effect of hydrogen on the nanomechanical response of Alloy 718. Observations show that hardness increase as a result of hydrogen charging. Also, the hydrogen ...

    • Effect of Hydrogen on the Collective Behavior of Dislocations in the Case of Nanoindentation 

      Zhao, Kai; He, Jianying; Mayer, A. E.; Zhang, Zhiliang (Journal article, 2018)
      Most of the studies reported treats the effect of hydrogen on single dislocation line, while models that describe the collective interaction are missing. In this study, hydrogen-induced softening of metallic materials is ...

    • Effect of Nanoparticles on Spontaneous Imbibition of Water into Ultraconfined Reservoir Capillary by Molecular Dynamics Simulation 

      Wang, Xiao; Xiao, Senbo; Zhang, Zhiliang; He, Jianying (Journal article; Peer reviewed, 2017)
      Imbibition is one of the key phenomena underlying processes such as oil recovery and others. In this paper, the influence of nanoparticles on spontaneous water imbibition into ultraconfined channels is investigated by ...

    • The effect of plastic deformation on hydrogen diffusion in nickel Alloy 625 

      Lu, Xu; Díaz, Andrés; Ma, Jun; Wang, Dong; He, Jianying; Zhang, Zhiliang; Johnsen, Roy (Peer reviewed; Journal article, 2022)
      Recently, several hydrogen-assisted failures have been reported on different nickel alloys used in the subsea oil and gas industries. It is thus essential to correlate hydrogen uptake and diffusion behavior with stress ...

    • Effect of silica fume, steel fiber and ITZ on the strength and fracture behavior of mortar 

      wang, xiao hui; Jacobsen, Stefan; Lee, Siaw Foon; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2010)
      Two sets of parameters known to affect the quality and thickness of the interfacial transition zone (ITZ), i.e. water/binder ratio and content of silica fume were varied in a series of mortars without and with steel fiber. ...

    • Effect of the Lüders plateau on ductile fracture with MBL model 

      Tu, Shengwen; Ren, Xiaobo; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2019)
      In this study, the effect of Lüders plateau on the ductile crack growth resistance has been investigated with the Gurson damage model and the modified boundary layer (MBL) model, under mode I plane strain condition. The ...

    • The Effect of Thermal Residual Stresses on Ductile-to-Brittle Transition of a Welded TMCR Steel by Using CAFE Method 

      Li, Yang; Ren, Xiaobo; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2019)
      The effect of residual stress on fracture of materials or structures has been widely studied. However, its influence on ductile-to-brittle transition (DBT), a crucial phenomenon of structural materials, has rarely been ...

    • Effects of loading path on the fracture loci in a 3D space 

      Yu, Haiyang; Olsen, Jim Stian; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2016)
      Axi-symmetric and 3D unit cell analyses with continuous non-proportional loading paths are performed to investigate the path dependence of the fracture loci in a 3D space. The loading pattern utilized is the generalization ...