Browsing NTNU Open by Author "Zhang, Zhiliang"
Now showing items 21-40 of 220
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Atomistic Insights to Interfacial Dynamics
Fu, Yuequn (Doctoral theses at NTNU;2021:233, Doctoral thesis, 2021) -
Avoiding snow and ice accretion on building integrated photovoltaics - challenges, strategies, and opportunities
Borrebæk, Per-Olof; Jelle, Bjørn Petter; Zhang, Zhiliang (Peer reviewed; Journal article, 2020)As building integrated photovoltaics (BIPV) are becoming increasingly popular, the demand for optimized utilization will be increasing with respect to efficiency, aesthetics and reliability. In cold climate regions, we ... -
A bead sequence-driven deposition pattern evaluation criterion for lowering residual stresses in additive manufacturing
Sun, Li; Ren, Xiaobo; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2021)Deposition patterns can significantly influence the distribution and magnitude of residual stress in additively manufactured parts. Time-consuming thermal-mechanical simulations and costly experimental studies are often ... -
CAFE based Multi-scale Modelling of Ductile-to-Brittle Transition of Steel with a Temperature Dependent Effective Surface Energy
Li, Yang; Shterenlikht, Anton; Ren, Xiaobo; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2019)It is still a challenge to numerically achieve the interactive competition between ductile damage and brittle fracture in ductile-to-brittle transition (DBT) region. In addition, since two types of fracture occur at two ... -
Cement sheath modification using nanomaterials for long-term zonal isolation of oil wells: Review
Jafariesfad, Narjes; Geiker, Mette Rica; Gong, Yi; Skalle, Pål; Zhang, Zhiliang; He, Jianying (Journal article; Peer reviewed, 2017)Well cementing is an important operation during drilling and completion of oil wells. The cement sheath must maintain well integrity behind the casing and provide long-term zonal isolation to ensure safety and prevent ... -
Characterization of the quasi-liquid layer on gas hydrates with molecular dynamics simulations
Zhang, Yifan; Xiao, Senbo; Ma, Rui; Zhang, Zhiliang; He, Jianying (Peer reviewed; Journal article, 2024)Understanding the properties of the surficial quasi-liquid layer (QLL) is a prerequisite in proper handling of gas hydrates, a potential alternative future energy resource. Despite of its critical importance, the ... -
CO2 Wetting on Pillar-Nanostructured Substrates
Wu, Jianyang; Snustad, Ingrid; Ervik, Åsmund; Brunsvold, Amy; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2020)CO2 capture by dropwise CO2 condensation on cold solid surfaces is a promising technology. Understanding the role of the nanoscale surface and topographical features of CO2 droplet wetting characteristics is of importance ... -
Cohesive zone modelling of anodic dissolution stress corrosion cracking induced by corrosion product films
Chen, Cunguang; Wang, Wenwen; Zhang, Zhiliang; Su, Yanjing; Volinsky, Alex A. (Journal article; Peer reviewed, 2019)Damage mechanics based on the cohesive zone model were applied to study the anodic dissolution stress corrosion cracking (SCC) in flat and U-shaped edge-notched specimens. The simulation results show that corrosion product ... -
Cohesive zone simulation of grain size and misorientation effects on hydrogen embrittlement in nickel
Yu, Haiyang; Olsen, Jim Stian; Olden, Vigdis; Alvaro, Antonio; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2017)The size and misorientation effects on hydrogen embrittlement of a four grain nickel aggregate are studied with the help of hydrogen informed cohesive zone model. The grain misorientation angle is parameterized by fixing ... -
Comparative study of deposition patterns for DED-Arc additive manufacturing of Al-4046
Köhler, Markus; Sun, Li; Hensel, Jonas; Pallaspuro, Sakari; Kömi, Jukka; Dilger, Klaus; Zhang, Zhiliang (Peer reviewed; Journal article, 2021)Quality assurance is one of the largest challenges to the widespread adoption of metal additive manufacturing technology. Printing pattern can significantly impact the temperature distribution during manufacturing process ... -
Competitive adsorption and diffusion of CH4/CO2 binary mixture within shale organic nanochannels
Liu, Bing; Qi, Chao; Mai, Tingyi; Zhang, Jun; zhan, kaiyun; Zhang, Zhiliang; He, Jianying (Journal article; Peer reviewed, 2018)Molecular dynamics simulations were performed to study adsorption and dynamics properties of pure CO2, pure CH4, and their mixtures confined to a graphene nanochannel with width of 3.25 nm at different loadings, temperature ... -
Compression properties of individual micron-sized acrylic particles
He, Jianying; Zhang, Zhiliang; Kristiansen, H (Journal article; Peer reviewed, 2009)Compression behaviours of individual micron-sized acrylic particles have been studied by using a nanoindentation-based method with a flat-end tip, instead of a commonly used sharp tip. The effect of loading rate on the ... -
Condensation heat transfer of CO2 on Cu based hierarchical and nanostructured surfaces
Snustad, Ingrid; Hollund, Lene; Ervik, Åsmund; Austegard, Anders; Brunsvold, Amy; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2021)Phase-change processes such as condensation are efficient means of heat transfer. However, condensation is also an energy-intensive process and extensive research is conducted to increase the heat transfer efficiency. ... -
CONDUCTION MECHANISMS IN CONDUCTIVE ADHESIVES WITH METAL-COATED POLYMER SPHERES
Pettersen, Sigurd Rolland (Doctoral theses at NTNU;2016:349, Doctoral thesis, 2016)Isotropic conductive adhesives (ICAs), i.e. polymer adhesives with a percolating network of filler particles embedded for conductivity, have been used as alternatives to soldering in electronic devices for decades. More ... -
Constraint effect on the brittle-to-ductile transition of single-crystal iron induced by dislocation mobility
Li, Yang; Ren, Xiaobo; He, Jianying; Zhang, Zhiliang (Journal article, 2018)The brittle-to-ductile transition (BDT), no matter what the dominated mechanism is, dislocation nucleation or dislocation motion, is not an intrinsic phenomenon of material, and depends not only on the strain rate but also ... -
Contact Angle and Condensation of a CO2 Droplet on a Solid Surface
Wu, Jianyang; Ervik, Åsmund; Snustad, Ingrid; Xiao, Senbo; Brunsvold, Amy; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2018)Anthropogenic release of carbon dioxide (CO2) is a major contribution to manmade increase in global warming. Carbon capture and storage (CCS) is a necessary technology for lowering CO2 emissions to an acceptable level that ... -
Contact area measurement of micron-sized metal-coated polymer particles under compression
Bazilchuk, Molly Strimbeck; Sumigawa, Takashi; Kitamura, Takayuki; Zhang, Zhiliang; Kristiansen, Helge; He, Jianying (Journal article; Peer reviewed, 2019)The contact problem of a sphere under compression by a rigid plate is pertinent to understanding electrical contact formation in anisotropic conductive adhesive (ACA) applications. However, no work has experimentally ... -
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 ...