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Crystallographic orientation effect on cutting-based single atomic layer removal

Wenkun XIE, Fengzhou FANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4,   Pages 631-644 doi: 10.1007/s11465-020-0599-x

Abstract: The mechanism of a single atomic layer removal in cutting is the key basic theoretical foundation forIn the present study, the crystallographic orientation effect on the cutting-based single atomic layerWhen undeformed chip thickness is in the atomic scale, two kinds of single atomic layer removal mechanismsexist in cutting-based single atomic layer removal, namely, dislocation motion and extrusion, due to

Keywords： ACSM     single atomic layer removal mechanism     crystallographic orientation effect     mechanical cutting     Manufacturing    

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Ionic strength directed self-assembled polyelectrolyte single-bilayer membrane for low-pressure nanofiltration

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 699-708 doi: 10.1007/s11705-021-2093-3

Abstract: Layer-by-layer assembly is a versatile technique for fabricating nanofiltration membranes, where multipleself-assembly procedure is described for the preparation of nanofiltration membranes consisting of only a singleinfluence of background ionic strength as well as membrane substrate properties on the formation of single-bilayer

Keywords： layer-by-layer self-assembly     single bilayer     nanofiltration membrane     desalination    

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Molecular dynamics investigation of mechanical properties of single-layer phagraphene

Ali Hossein Nezhad SHIRAZI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 495-503 doi: 10.1007/s11709-018-0492-4

Abstract: Phagraphene is a very attractive two-dimensional (2D) full carbon allotrope with very interesting mechanical, electronic, optical, and thermal properties. The objective of this study is to investigate the mechanical properties of this new graphene like 2D material. In this work, mechanical properties of phagraphene have been studied not only in the defect-free form, but also with the critical defect of line cracks, using the classical molecular dynamics simulations. Our study shows that the pristine phagraphene in zigzag direction experience a ductile behavior under uniaxial tensile loading and the nanosheet in this direction are less sensitive to temperature changes as compared to the armchair direction. We studied different crack lengths to explore the influence of defects on the mechanical properties of phagraphene. We also investigated the temperature effect on the mechanical properties of pristine and defective phagraphene. Our classical atomistic simulation results confirm that larger cracks can reduce the strength of the phagraphene. Moreover, it was shown the temperature has a considerable weakening effect on the tensile strength of phagraphene. The results of this study may be useful for the design of nano-devices using the phagraphene.

Keywords： phaqraphene     mechanical properties     crack propaqation     molecular dynamics     thermal effects    

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Hierarchical fractal structure of perfect single-layer graphene

T. Zhang, K. Ding

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 371-382 doi: 10.1007/s11465-013-0279-1

Abstract:

The atomic lattice structure of perfect single-layer graphene that can actually be regarded as a kindhierarchical fractal structure and sets were unveiled upon examination of the regular crystal lattices of the single-layer

Keywords： hierarchical fractal structure     fractal dimension     the fifth space-filling curve     multi-fractal structure    

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Numerical studies of dynamic behavior of liquid film on single-layer wire mesh with different wettabilities

Frontiers of Chemical Science and Engineering   Pages 1672-1680 doi: 10.1007/s11705-022-2205-8

Abstract: Droplet impacting on the stainless steel wire mesh is very common in chemical devices, like a rotating packed bed. Surface wettability of wire mesh significantly affects the liquid flow pattern and liquid dispersion performance. However, the effect of surface wettability on the impaction phenomena at microscale such as liquid film is still unknown. In this work, the dynamic behavior of liquid film on the surface of wire mesh was analyzed by computational fluid dynamics simulation. The dynamic behavior of liquid film on the surface of wire mesh can be divided into the following three steps: (1) spreading step; (2) shrinkage process; (3) stabilizing or disappearing step. Effects of surface wettability, as well as operating conditions, on wetting area and liquid film thickness were studied. Compared to the hydrophilic wire mesh, the final wetting area of hydrophobic wire mesh is zero in most cases. The average liquid film thickness on the surface of hydrophilic wire mesh is 30.02–77.29 μm, and that of hydrophobic wire mesh is 41.76–237.37 μm. This work provided a basic understanding of liquid film flow at microscale on the surface with various surface wettabilities, which can be guiding the packing optimization and design.

Keywords： stainless steel wire mesh     computational fluid dynamics     surface wettability     liquid film     impacting    

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Fabrication and mechanical properties of single-wall carbon nanotubes and hyperbranched diazonium salt

LI Xinyang, FAN Pengwei, TUO Xinlin, WANG Xiaogong

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 286-290 doi: 10.1007/s11705-008-0058-4

Abstract: Acidized single-wall carbon nanotubes (SWNTs) were fabricated into multilayers with a hyperbranched azobenzene-containingpolymeric diazonium salt (PDAS) using the layer-by-layer adsorption technique.

Keywords： PDAS     layer-by-layer     interaction     cooperation     single-wall    

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Influence of damages on static behavior of single-layer cable net supported glass curtain wall: full-scale

Gang SHI, Yongjiu SHI, Yuanqing WANG, Yongzhi ZUO, Xiaohao SHI, Zaoyang GUO,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 383-395 doi: 10.1007/s11709-010-0074-6

Abstract: The single-layer cable net supported glass curtain wall has been applied in many building structuresTo study the influence of such damages on the static behavior of the single-layer cable net supportedThe stiffness contribution of glass panels to the single-layer cable net supported glass curtain wall

Keywords： single-layer plane cable net supported glass curtain wall     damage     cable prestress loss     cable anchorage    

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Thermal performance of a single-layer packed metal pebble-bed exposed to high energy fluxes

Shengchun ZHANG, Zhifeng WANG, Hui BIAN, Pingrui HUANG

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 513-528 doi: 10.1007/s11708-019-0638-7

Abstract: The numerical models of a single sphere and multiple spheres are verified by the experiments.

Keywords： packed bed     solar thermal power plants     high heat fluxes     radiative heat transfer    

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Phosphorene: Current status, challenges and opportunities

Anandarup Goswami, Manoj B. Gawande

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 2,   Pages 296-309 doi: 10.1007/s11705-018-1783-y

Abstract: the list of 2D materials, the relatively newer addition is phosphorene, which ideally consists of a singlelayer of black phosphorous.

Keywords： phosphorene     black phosphorous     anisotropy     single layer     thermoelectric     chemical vapor deposition     catalysis    

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Chemically reactive solute transfer in a boundary layer slip flow along a stretching cylinder

Swati Mukhopadhyay

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 385-391 doi: 10.1007/s11705-011-1101-4

Abstract: distribution of a solute undergoing a first order chemical reaction in an axisymmetric laminar boundary layer

Keywords： boundary layer     stretching cylinder     partial slip     mass transfer     similarity solution    

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Modeling nanostructured catalyst layer in PEMFC and catalyst utilization

Jiejing ZHANG, Pengzhen CAO, Li XU, Yuxin WANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 297-302 doi: 10.1007/s11705-011-1201-1

Abstract: A lattice model of the nanoscaled catalyst layer structure in proton exchange membrane fuel cells (PEMFCThe model takes into account all the four components in a typical PEMFC catalyst layer: platinum (Pt)Catalyst utilization in the modeled catalyst layer was calculated by counting up the number of facets

Keywords： catalyst layer     PEM fuel cell     lattice model     Monte Carlo method     catalyst utilization    

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Effect of a less permeable stronger soil layer on the stability of non-homogeneous unsaturated slopes

Nabarun DEY, Aniruddha SENGUPTA

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1462-1475 doi: 10.1007/s11709-020-0674-8

Abstract: numerical analyses on a 55° inclined unsaturated sandy slope with less permeable, stronger silty sand layerIt is observed that a less permeable, stronger silty sand layer in an otherwise homogeneous sandy soilThe water content of the slope just above the stronger layer increases significantly, compared to elsewheresoil slope, whereas for a non-homogeneous slope, they initiate just above the less pervious, stronger layerIt decreases significantly if this less permeable, stronger soil layer is located near the toe of the

Keywords： non-homogeneous slope     stronger soil layer     factor of safety     centrifuge model test     unsaturated soils    

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Ergodic secrecy capacity ofMRC/SC in single-inputmultiple-output wiretap systems with imperfect channel Article

Hui ZHAO, You-yu TAN, Gao-feng PAN, Yun-fei CHEN

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 4,   Pages 578-590 doi: 10.1631/FITEE.1500430

Abstract: combining (MRC) and selection combining (SC) with imperfect channel state information (CSI) in the physical layerIn a single-input multipleoutput (SIMO) wiretap channel, a source transmits confidential messages to

Keywords： Ergodic secrecy capacity (ESC)     Maximal ratio combining (MRC)     Weighting errors     Physical layer security     Selection combining (SC)     Single-input multiple-output (SIMO)    

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Numerical investigation of the effectiveness of effusion cooling for plane multi-layer systems with different

Dieter BOHN, Robert KREWINKEL

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 406-413 doi: 10.1007/s11708-009-0041-x

Abstract: Within Collaborative Research Center (SFB) 561 “Thermally Highly Loaded, Porous and Cooled Multi-LayerSystems for Combined Cycle Power Plants” at RWTH Aachen University, an effusion-cooled multi-layerWithin the SFB, two different multi-layer systems, one consisting of substrate made of CMSX-4 (a single-crystal

Keywords： conjugate calculation     effectiveness of effusion cooling     multi-layer systems     CMSX-4     NiAl-FG75    

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The influence of manufacturing parameters and adding support layer on the properties of Zirfon

Li XU,Yue YU,Wei LI,Yan YOU,Wei XU,Shaoxing ZHANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 3,   Pages 295-305 doi: 10.1007/s11705-014-1433-y

Abstract: A modified composite separator with a support layer was prepared to enhance the tensile strength of separatorBy adding support layer, the tensile strength of the separator increases from 1.85 MPa to 13.66 MPa.

Keywords： separator     alkaline water electrolysis     manufacturing parameters     support layer    

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Title Author Date Type Operation

Crystallographic orientation effect on cutting-based single atomic layer removal

Wenkun XIE, Fengzhou FANG

Journal Article

Ionic strength directed self-assembled polyelectrolyte single-bilayer membrane for low-pressure nanofiltration

Journal Article

Molecular dynamics investigation of mechanical properties of single-layer phagraphene

Ali Hossein Nezhad SHIRAZI

Journal Article

Hierarchical fractal structure of perfect single-layer graphene

T. Zhang, K. Ding

Journal Article

Numerical studies of dynamic behavior of liquid film on single-layer wire mesh with different wettabilities

Journal Article

Fabrication and mechanical properties of single-wall carbon nanotubes and hyperbranched diazonium salt

LI Xinyang, FAN Pengwei, TUO Xinlin, WANG Xiaogong

Journal Article

Influence of damages on static behavior of single-layer cable net supported glass curtain wall: full-scale

Gang SHI, Yongjiu SHI, Yuanqing WANG, Yongzhi ZUO, Xiaohao SHI, Zaoyang GUO,

Journal Article

Thermal performance of a single-layer packed metal pebble-bed exposed to high energy fluxes

Shengchun ZHANG, Zhifeng WANG, Hui BIAN, Pingrui HUANG

Journal Article

Phosphorene: Current status, challenges and opportunities

Anandarup Goswami, Manoj B. Gawande

Journal Article

Chemically reactive solute transfer in a boundary layer slip flow along a stretching cylinder

Swati Mukhopadhyay

Journal Article

Modeling nanostructured catalyst layer in PEMFC and catalyst utilization

Jiejing ZHANG, Pengzhen CAO, Li XU, Yuxin WANG

Journal Article

Effect of a less permeable stronger soil layer on the stability of non-homogeneous unsaturated slopes

Nabarun DEY, Aniruddha SENGUPTA

Journal Article

Ergodic secrecy capacity ofMRC/SC in single-inputmultiple-output wiretap systems with imperfect channel

Hui ZHAO, You-yu TAN, Gao-feng PAN, Yun-fei CHEN

Journal Article

Numerical investigation of the effectiveness of effusion cooling for plane multi-layer systems with different

Dieter BOHN, Robert KREWINKEL

Journal Article

The influence of manufacturing parameters and adding support layer on the properties of Zirfon

Li XU,Yue YU,Wei LI,Yan YOU,Wei XU,Shaoxing ZHANG

Journal Article