Blar i NTNU Open på forfatter "He, Jianying"
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Contact Resistance and Metallurgical Connections Between Silver Coated Polymer Particles in Isotropic Conductive Adhesives
Pettersen, Sigurd Rolland; Kristiansen, Helge; Nagao, Shijo; Helland, Susanne; njagi, john; Suganuma, Katsuaki; Zhang, Zhiliang; He, Jianying (Journal article; Peer reviewed, 2016)Recently, there has been an increasing interest in silver thin film coated polymer spheres as conductive fillers in isotropic conductive adhesives (ICAs). Such ICAs yield resistivities similar to conventional silver flake ... -
Controlling the Conduction Mechanisms in Isotropic Conductive Adhesives with Silver-Coated Polymer Spheres
Pettersen, Sigurd Rolland; Kristiansen, Helge; Redford, Keith; Helland, Susanne; Kalland, Erik; Zhang, Zhiliang; He, Jianying (Journal article; Peer reviewed, 2016)Replacing the silver flakes in conventional isotropic conductive adhesives (ICAs) with micron sized polymer spheres coated with tens to hundreds nanometer of silver (AgPS) drastically reduces the silver content required ... -
Core-shell structured microgels and their behavior at oil and water interface
Gong, Yi (Doctoral theses at NTNU;2017:182, Doctoral thesis, 2017)Oil is still the prime energy resource that the world relies on. With the expectation of the global economic growth, the oil consumption will grow faster over the coming decades. The oil extraction technology influences ... -
Covalent coupling regulated thermal conductivity of Poly(vinyl alcohol)/boron nitride composite film based on silane molecular structure
Cheng, Hua; Zhao, Kai; Gong, Yi; Wang, Xiao; Wang, Rui; wang, fengyu; hu, rui; wang, Fangkuo; Zhang, Xian; He, Jianying; Tian, Xingyou (Peer reviewed; Journal article, 2020)Creating covalent bonds between inorganic fillers and polymer matrix is an effective method to enhance the thermal conductivity (TC) of composite materials, while the detailed mechanism is still not clear. By introducing ... -
Crosslinking effect on the deformation and fracture of monodisperse polystyrene-co-divinylbenzene particles
He, Jianying; Zhang, Zhiliang; Kristiansen, Helge; Redford, Keith; Fonnum, Geir; Modahl, Grete (Journal article; Peer reviewed, 2013)This study focuses on the effect of crosslinking density on the mechanical response of polystyrene-co-divinylbenzene (PS-DVB) particles under compression by means of nanoindentation-based flat punch method combined with ... -
CS-AFM study on Pb-induced degradation of passive film on nickel-based alloy in high temperature and high pressure water
Li, Weipeng; Mi, Zhishan; Qin, Sixiao; Gao, Lei; He, Jianying; Guo, Liqiu; qiao, lijie (Journal article, 2018)The degradation mechanism of trace Pb on nickel-based alloy passive film in pure water at 270 is researched by surface analysis techniques and calculations. Experimental results show that Pb reduces the oxygen content and ... -
CuO/Cu based superhydrophobic and self-cleaning surfaces
He, Zhiwei; Zhang, Zhiliang; He, Jianying (Journal article; Peer reviewed, 2016)CuO/Cu based superhydrophobic surfaces with ordered micro/nanostructures have been prepared via a solution-immersion process combining with photolithography and argon ion beam etching. CuO nanoneedles grow only inside ... -
Definition of Best Practice for Testing Icephobic Surfaces
rehfeld, nadine; Godreau, Charles; hou, xianghui; Kim, Taeseong; Koss, Holger; He, Jianying; Rittinghaus, Claas (Research report, 2022)Wind energy in Cold Climates needs to address various technical aspects in order to avoid lower energy production and liability issues, such as ice throw and noise. “Active” ice protection systems (mainly heating) for the ... -
Deformation and fracture of micron-sized metal-coated polymer spheres: an in situ study
Bazilchuk, Molly Strimbeck; Sumigawa, Takashi; Kitamura, Takayuki; Zhang, Zhiliang; Kristiansen, Helge; He, Jianying (Journal article; Peer reviewed, 2018)In situ imaging and analysis of the mechanical behavior of micron‐sized metal‐coated polymer particles under compression is reported. A nanoindentation set‐up mounted in a scanning electron microscope is used to observe ... -
Deformation and fracture of nano-sized metal-coated polymer particles: A molecular dynamics study
Wu, Jianyang; Nagao, Shijo; Zhang, Zhiliang; He, Jianying (Journal article; Peer reviewed, 2015)The mechanical behavior of Ni-coated polyethylene (PE) nanoparticles subjected to compression loading is systemically investigated by classical molecular dynamics simulation. Results show that the Ni coatings on PE ... -
Deformation and rupture of Janus nanoparticle-stabilized Pickering emulsion in confined channel
Chang, Yuanhao; Xiao, Senbo; Ma, Rui; Zhang, Zhiliang; Zeng, Fanhua; He, Jianying (Peer reviewed; Journal article, 2024)The interaction between Pickering emulsions and confined channels is vital for their industrial applications. However, how solid particle shells modulate the deformation stability and rupture limit of Pickering emulsions ... -
Deformation and stability of core-shell microgels at oil/water interface
Gong, Yi; Zhang, Zhiliang; He, Jianying (Journal article; Peer reviewed, 2017)This paper investigates the behavior of P(NIPAM-co-AAc)@PTFMA core-shell microgels at the decane/water interface. The microgels were deposited at the interface to form a monolayer film, and its compression behavior was ... -
Design and preparation of icephobic PDMS-based coatings by introducing an aqueous lubricating layer and macro-crack initiators at the ice-substrate interface
He, Zhiwei; Zhuo, Yizhi; Wang, Feng; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2020)Preventing ice accretion on exposed surfaces is important to the operational performance of various facilities and devices. As time elapses and temperature lowers sufficiently, ice accretion becomes inevitable. Herein, we ... -
Design and Preparation of Sandwich-Like Polydimethylsiloxane (PDMS) Sponges with Super-Low Ice Adhesion
He, Zhiwei; Zhuo, Yizhi; He, Jianying; Zhang, Zhiliang (Journal article, 2018)The mitigation of ice on exposed surfaces is of great importance to many aspects of life. Ice accretion, however, is unavoidable as time elapses and temperature lowers sufficiently. One practical solution is to reduce ice ... -
Design of Icephobic Surfaces by Lowering Ice Adhesion Strength: A Mini Review
He, Zhiwei; Zhuo, Yizhi; Zhang, Zhiliang; He, Jianying (Peer reviewed; Journal article, 2021)Ice accretion can lead to severe consequences in daily life and sometimes catastrophic events. To mitigate the hazard of icing, passive icephobic surfaces have drawn widespread attentions because of their abilities in ... -
Designing Polymeric Icephobic Materials
Zhuo, Yizhi (Doctoral theses at NTNU;2019:345, Doctoral thesis, 2019) -
Determining critical CTOA from energy-load curves with DWTT specimen
Shuai, Jian; Tu, Shengwen; Wang, Junqiang; Ren, Xiaobo; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2017)Running ductile fracture is one of the most catastrophic accidents of pipelines for natural gas transportation. Crack arrest toughness is important for preventing crack extension to a long distance along pipeline. Critical ... -
Discontinuous cracking of TiN films on a steel substrate induced by an adhesive interlayer
Guo, Tao; Pang, Xiaolu; He, Jianying; qiao, lijie (Journal article; Peer reviewed, 2019)The basic mechanisms governing the process of cracking of single-layer brittle films have been extensively explored through both simulations and experiments. However, the role that an adhesive interlayer plays in the ... -
Dislocation based plasticity in the case of nanoindentation
Zhao, Kai; Mayer, A. E.; He, Jianying; Zhang, Zhiliang (Journal article, 2018)Understanding plasticity initiation and evolution in nanoindentation tests is a fundamental issue. In this study, a continuum model is developed to analytically predict the force-depth curve by coupling the classical ... -
Displacement Dynamics of Trapped Oil in Rough Channels Driven by Nanofluids
Chang, Yuanhao; Xiao, Senbo; Ma, Rui; Wang, Xiao; Zhang, Zhiliang; He, Jianying (Peer reviewed; Journal article, 2021)It is well accepted that nanofluids have great potential in enhanced oil recovery (EOR). However, the EOR mechanisms by nanofluids largely remain elusive. In the study, the displacement dynamics of residual oil trapped in ...