ORCID Profile
0000-0002-6444-8467
Current Organisations
Chongqing University
,
Hebei University of Technology
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Publisher: Elsevier BV
Date: 12-2018
Publisher: Royal Society of Chemistry (RSC)
Date: 2016
DOI: 10.1039/C5RA27268H
Abstract: The mechanical properties of titanium dioxide (TiO 2 ) nanotubes are studied based on molecular dynamics simulations.
Publisher: Elsevier BV
Date: 04-2019
Publisher: American Society of Civil Engineers (ASCE)
Date: 03-2020
Publisher: Royal Society of Chemistry (RSC)
Date: 2019
DOI: 10.1039/C8TA10750E
Abstract: A high performance electronic hair sensor with multiple functionalities is fabricated via fully mimicking the sensory hair cell structure of human skin.
Publisher: Elsevier BV
Date: 09-2018
Publisher: IOP Publishing
Date: 12-11-2019
Abstract: Miniaturization and integration of electronic components lead to increasing challenges of thermal management. Ultrathin materials with excellent thermal and flexibility are urgently required for portable electronic devices. In this study, the 1-pyrenemethanol (PyM) modified graphene oxide (GO) (GO-PyM) films were prepared in ethanol solution by an evaporation-induced assembly method. The PyM interacts with the GO sheets by hydrogen bonds and π-π interactions. The GO-PyM films were further graphitized at 3000 °C and roll compressed to fabricate the graphene films (GFs), by which, the PyM was transformed into nanosized graphite crystals (PNGCs). The PNGCs filled the voids between the graphene sheets of GFs and linked the graphene sheets, which enhanced the interaction between the graphene sheets, restricted the slippage of the graphene sheets under tension, increased the number of paths for electrons and phonons, and reduced the interface thermal resistance resulted from the existed voids. The resulting GFs showed excellent flexibility of a large elongation up to 14% and an elastic zone up to 3%, a tensile strength of 30.4 MPa, a thermal conductivity of 1316.32 W m
Publisher: Elsevier BV
Date: 03-2018
Publisher: American Chemical Society (ACS)
Date: 10-12-2020
Publisher: Springer Science and Business Media LLC
Date: 31-10-2017
DOI: 10.1038/S41598-017-14710-4
Abstract: It is well known the thermal properties of three-dimensional (3-D) hybrid graphene (GR)-carbon nanotube (CNT) structures are not superior to that of the in idual GR and CNT, however, the 3-D hybrid GR-CNT structures can effectively improve the thermal properties of polymer matrix. Therefore, understanding the thermal energy transport in the interface between polymer matrix and 3-D hybrid GR-CNT structure is essential. Here, the enhancement mechanism of interfacial thermal transport of hybrid GR-CNT structure was explored by applying non-equilibrium molecular dynamics (NEMD) simulations. Three different types of hybrid GR-CNT structures were built. The influences of CNT radius and CNT type for the hybrid GR-CNT on the interfacial thermal properties were also analyzed. Computational results show that among the three different types of hybrid GR-CNT structures, the Model-I, i.e., the covalent bond hybrid GR-CNT structures are of the best interfacial thermal properties. Meanwhile, the CNT radius of hybrid GR-CNT structure has a great influence on the interfacial thermal properties.
Publisher: Springer Science and Business Media LLC
Date: 08-2018
Publisher: Elsevier BV
Date: 05-2017
Publisher: Royal Society of Chemistry (RSC)
Date: 2019
DOI: 10.1039/C8NR10468A
Abstract: Interface topography has great impact on thermal energy transport across the GR/h-BN heterostructure interface.
Publisher: MDPI AG
Date: 29-10-2019
DOI: 10.3390/NANO9111535
Abstract: Ceramics have been widely used in many fields because of their distinctive properties, however, brittle fracture usually limits their application. To solve this problem, nanoglass ceramics were developed. In this article, we numerically investigated the mechanical properties of nanoglass aluminium nitride (ng-AlN) with different glassy grain sizes under tension using molecular dynamics simulations. It was found that ng-AlN exhibits super ductility and tends to deform uniformly without the formation of voids as the glassy grain size decreases to about 1 nm, which was attributed to a large number of uniformly distributed shear transformation zones (STZs). We further investigated the effects of temperature and strain rate on ng-AlNd = 1 nm, which showed that temperature insignificantly influences the elastic modulus, while the dependence of the ultimate strength on temperature follows the T2/3 scaling law. Meanwhile, the ultimate strength of ng-AlNd = 1 nm is positively correlated with the strain rate, following a power function relationship.
Publisher: Elsevier BV
Date: 06-2019
Publisher: Elsevier BV
Date: 04-2017
Publisher: Elsevier BV
Date: 02-2017
Publisher: Elsevier BV
Date: 08-2019
Publisher: Elsevier BV
Date: 04-2020
Publisher: Elsevier BV
Date: 2019
Publisher: Elsevier BV
Date: 10-2017
Publisher: Elsevier BV
Date: 12-2016
Publisher: Elsevier BV
Date: 03-2018
Publisher: Elsevier BV
Date: 10-2018
Publisher: MDPI AG
Date: 10-05-2019
DOI: 10.3390/S19092180
Abstract: A pulse laser combined LWT technique with a two-stage reconstruction algorithm was proposed to realize rapid damage location, or even the evaluation of damage size for plate-like structures. Since the litude of Lamb waves in propagation is highly sensitive to damage, including inside damage, the change of the attenuation coefficient of Lamb waves in the inspection region was used as a damage index to reconstruct damage images. In stage one, the rough area of the damage was identified by a comparison of the litude of the testing signal data and reference data (undamaged state). In stage two, the damage image was reconstructed using an inverse approach based on the least-square method. In order to verify the effectiveness of the proposed rapid approach, experiments on an aluminum plate with a non-penetrating notch and a carbon fiber-reinforced plastic laminated plate with internal delamination induced by a low-velocity impact were carried out. The results show that the notch can be detected with accurate location, and the delamination image can be reconstructed successfully.
Publisher: Elsevier BV
Date: 11-2019
No related grants have been discovered for Ning Hu.