Browsing SINTEF Open by Author "Zhang, Zhiliang"
Now showing items 1-20 of 23
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A method for determining material's equivalent stress-strain curve with any axisymmetric notched tensile specimens without Bridgman correction
Tu, Shengwen; Ren, Xiaobo; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2018) -
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 ... -
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 ... -
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. ... -
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, 2019)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 ... -
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 (Peer reviewed; Journal article, 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 low temperature tensile properties on crack driving force for Arctic applications
Dahl, Bjørn Augdal; Ren, Xiaobo; Akselsen, Odd Magne; Nyhus, Bård; Zhang, Zhiliang (Peer reviewed; Journal article, 2017)Many petroleum companies expand their activities further north towards the Arctic region, resulting in design temperatures down to −60 °C, which is much lower than what is usual for most current petroleum installations. ... -
Effect of the Lüders plateau on ductile fracture with MBL model
Tu, Shengwen; Ren, Xiaobo; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 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 ... -
Effect of Thermal Residual Stresses on Ductile-to-Brittle Transition of a Bi-material Specimen by Using the 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 ... -
Efficient Liquefaction of Carbon Dioxide on Superlyophobic Surfaces
Snustad, Ingrid; Ervik, Åsmund; Austegard, Anders; Reigstad, Gunhild Allard; He, Jianying; Zhang, Zhiliang; Brunsvold, Amy (Journal article, 2019) -
Experimental measurement of temperature-dependent equivalent stress-strain curves of a 420 MPa structural steel with axisymmetric notched tensile specimens
Tu, Shengwen; Ren, Xiaobo; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2019)Recently, the authors in this paper proposed a correction function to determine material’s equivalent stress-strain curve with axisymmetric-notched tensile specimens. In this study, tensile tests were performed at room ... -
A framework for classification of snow- and icephobicity
Borrebæk, Per-Olof; Rønneberg, Sigrid; Jelle, Bjørn Petter; Klein-Paste, Alex; Zhang, Zhiliang; He, Jianying (Peer reviewed; Journal article, 2020)For decades, there has been no proper thermodynamic definition of icephobicity. Some claim icephobic properties at an adhesion lower than 100 kPa, whereas others claim it when the accretion of ice is significantly prolonged. ... -
Heat transfer characteristics of CO2 condensation on common heat exchanger materials, method development and experimental results
Snustad, Ingrid; Ervik, Åsmund; Austegard, Anders; Brunsvold, Amy; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2021)Understanding condensation of CO2 is essential for e.g designing compact heat exchangers or processes involved in Carbon Capture and Storage. However, a consistent experimental campaign for condensation of CO2 on common ... -
Hydrogen informed Gurson model for hydrogen embrittlement simulation
Yu, Haiyang; Olsen, Jim Stian; Alvaro, Antonio; qiao, lijie; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2019)Hydrogen-microvoid interactions were studied via unit cell analyses with different hydrogen concentrations. The absolute failure strain decreases with hydrogen concentration, but the failure loci were found to follow the ... -
Melting cell based compensated design method for improving dimensional accuracy of additively manufactured thin channels
Sun, Li; Ren, Xiaobo; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2020)Powder-bed fusion additive manufacturing technology makes it possible to produce parts with complicated geometry and high accuracy. However, dimensional deviation caused by powder overmelting and dross formation is still ... -
A new method to estimate the residual stresses in additive manufacturing characterized by point heat source
Sun, Li; Ren, Xiaobo; He, Jianying; Olsen, Jim Stian; Pallaspuro, Sakari; Zhang, Zhiliang (Peer reviewed; Journal article, 2019)Residual stress in additive manufacturing (AM) is one of the key challenges in terms of structural integrity and finish quality of printed components. Estimating the residual stress distribution on additively manufactured ... -
Numerical investigation of a novel pattern for reducing residual stress in additive manufacturing
Sun, Li; Ren, Xiaobo; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2020)Deposition patterns can significantly affect residual stress distribution in additive manufacturing processes. In this paper, a novel deposition pattern, the S-pattern, is proposed for the additive manufacturing process. ... -
Numerical study on the effect of the Lüders plateau on the ductile crack growth resistance of SENT specimens
Tu, Shengwen; Ren, Xiaobo; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2018)The increasing demand of energy prompts the petroleum industry exploitation activities to the Arctic region where the low temperature is a strong challenge, both for structural design and material selection. For structural ... -
Passive Snow Repulsion: A State-of-the-art Review Illuminating Research Gaps and Possibilities
Andersson, Per-Olof; Jelle, Bjørn Petter; Zhang, Zhiliang (Journal article; Peer reviewed, 2017)Building integrated photovoltaics (BIPV) are becoming more common every day. They are used everywhere, from the cabin in the mountains to the modern apartment building, and with more common use, strengths and weaknesses ... -
A predictive model unifying hydrogen enhanced plasticity and decohesion
Lin, Meichao; Yu, Haiyang; Ding, Yu; Wang, Gang; Olden, Vigdis; Alvaro, Antonio; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2022)The detrimental effect of hydrogen on metals which manifests itself as a transition from a ductile to a brittle failure mode is, for the first time, incorporated into a unified continuum-scale predictive framework. The ...