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Mechanical properties and microstructure of multilayer graphene oxide cement mortar

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 1058-1070 doi: 10.1007/s11709-021-0747-3

Abstract: This study reports on the effects of multilayer graphene oxide (MGO) on compressive strength, flexural strength, and microstructure of cement mortar. The cement mortar was prepared with type P. II. 52.5 Portland cement, standard sand, and MGO. Four mixes were prepared with inclusion of MGO (0%, 0.02%, 0.04%, and 0.06% by weight of cement). The testing result shows that the compressive of GO-cement mortar increased by 4.84%–13.42%, and the flexural strength increased by 4.37%–8.28% at 3 d. GO-cement mortar’s compressive strength and flexural strength at 7 d increased by 3.84%–12.08% and 2.54%–13.43%, respectively. MGO made little contribution to the increases of compressive strength and flexural strength of cement mortar at 28 d. The results of X-ray diffraction (XRD), scanning electron microscope (SEM), and nitrogen (N2) adsorption/desorption tests show that the types of hydration products and crystal grain size did not change after adding MGO. Still, it can help to improve the microstructure of the cement mortar via regulating hydration products and can provide more condensed cores to accelerate hydration. Furthermore, the regulating action of MGO for the microstructure of cement mortar at an early age was better than that at 28 d.

Keywords： graphene oxide     cement     mortar     mechanical properties     microstructure    

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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: , electronic, optical, and thermal properties.The objective of this study is to investigate the mechanical properties of this new graphene like 2DIn this work, mechanical properties of phagraphene have been studied not only in the defect-free formWe studied different crack lengths to explore the influence of defects on the mechanical properties ofWe also investigated the temperature effect on the mechanical properties of pristine and defective phagraphene

Keywords： phaqraphene     mechanical properties     crack propaqation     molecular dynamics     thermal effects    

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Facile synthesis of polyaniline nanorods to simultaneously enhance the mechanical properties and wear

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1254-1266 doi: 10.1007/s11705-023-2297-3

Abstract: To enhance the mechanical properties and wear resistance of epoxy resin, polyaniline nanorods were firstthe phase structures and compositions of polyaniline nanorods, and their positive influences on the mechanicaland tribological properties of epoxy resin were also characterized.

Keywords： epoxy resin     polyaniline nanorods     mechanical property     tribological performance     wear mechanism    

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Assessment and prediction of the mechanical properties of ternary geopolymer concrete

Jinliang LIU; Wei ZHAO; Xincheng SU; Xuefeng XIE

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 11,   Pages 1436-1452 doi: 10.1007/s11709-022-0889-y

Abstract: The experimental results were then compared with the predictions based on models of mechanical propertieswhich were in the specific ranges (5% to 7% and 1.1 to 1.5, respectively) had positive effects on the mechanicalproperties of TGC.Fitting models, considering the effects of AC and AAM, were also proposed to predict the mechanical properties

Keywords： Ternary Geopolymer Concrete (TGC)     alkaline activator modulus     alkali content     mechanical properties    

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Influence of recycled polyethylene terephthalate fibres on plastic shrinkage and mechanical properties

Necat ÖZAŞIK; Özgür EREN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 792-802 doi: 10.1007/s11709-022-0849-6

Abstract: The objective of this research is to evaluate the mechanical properties of recycled polyethylene terephthalatedetrimental effects up to 1% volume fraction, however further addition caused slight reductions on mechanicalproperties in some conditions.Polyethylene terephthalate fibres were observed to have marked improvements on those properties.

Keywords： recycled PET     fibre-reinforced concrete     mechanical properties     plastic shrinkage     impact energy    

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Unified calculation method and its application in determining the uniaxial mechanical properties of concrete

Faxing DING, Xiaoyong YING, Linchao ZHOU, Zhiwu YU

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 381-393 doi: 10.1007/s11709-011-0118-6

Abstract: This paper presents a unified calculation method and its application in determining the uniaxial mechanicalproperties of concrete with concrete strengths ranging from 10 to 140 MPa.By analyzing a large collection of test results of the uniaxial mechanical properties of normal-strengthhigh-strength concrete in China and performing a regression analysis, unified calculation formulas for the mechanical

Keywords： concrete     mechanical properties     stress-strain relationship     uniaxial stress     application    

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Mechanical properties of vanadium-alloyed austempered ductile iron for crankshaft applications

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0746-2

Abstract: This study focused on the development of austempered ductile iron (ADI) with desirable combination of mechanicalproperties for crankshaft applications by the combined effect of vanadium (V) alloying and an optimizedproperties.The mechanical properties of the austempered samples were tested comprehensively, and the results wereproperties of GGG60.

Keywords： austempered ductile iron (ADI)     vanadium alloying     mechanical properties     crankshafts     retained austenite    

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A comparative study of the mechanical properties, fracture behavior, creep, and shrinkage of chemically

Mahdi AREZOUMANDI, Mark EZZELL, Jeffery S VOLZ

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 36-45 doi: 10.1007/s11709-014-0243-0

Abstract: This study presents the results of an experimental investigation that compares the mechanical properties

Keywords： admixture     conventional concrete (CC)     creep     fracture mechanic     mechanical Properties     self-consolidating    

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Combination form analysis and experimental study of mechanical properties on steel sheet glass fiber

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 834-850 doi: 10.1007/s11709-021-0743-7

Abstract: form optimization of different steel core structures and different steel core contents based on the mechanicalproperties.Mechanical tests such as uniaxial tensile, shear, and compressive tests were carried out on SSGCB.Parametric analysis was conducted to investigate the influence of steel content on the mechanical properties

Keywords： steel sheet GFRP composite bar     combination form     numerical modeling     mechanical properties test     strength    

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Effects of coarse and fine aggregates on long-term mechanical properties of sea sand recycled aggregate

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 754-772 doi: 10.1007/s11709-021-0711-2

Abstract: Typical effects of coarse and fine aggregates on the long-term properties of sea sand recycled aggregateVariations in SSRAC properties at different ages are investigated.

Keywords： concrete     recycled coarse aggregate replacement percentage     sea sand chloride ion content     long-term mechanicalproperties     stress–strain curve    

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Effects of natural zeolite and sulfate ions on the mechanical properties and microstructure of plastic

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 86-98 doi: 10.1007/s11709-021-0793-x

Abstract: conditions and three different confining pressures of 200, 350, and 500 kPa were used to investigate their mechanicalTo study the effect of sulfate ions on the properties of PlC-NZ specimens, the specimens were cured in

Keywords： plastic concrete     sulfate resistance     natural zeolite     triaxial compression test     SEM     permeability    

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Dual cross-linked MXene/cellulose nanofiber/nickel alginate film with improved mechanical properties

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1460-1469 doi: 10.1007/s11705-023-2335-7

Abstract: have shown great potential in electromagnetic interference (EMI) shielding materials, while the poor mechanicalproposes a feasible dual-crosslinking and subsequent reduction strategy to synergistically enhance the mechanicalproperties and electromagnetic interference shielding performance of MXene-based composite materials

Keywords： Ti3C2Tx MXene     double crosslinking     mechanical properties     EMI    

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Bibliographic survey and comprehensive review on mechanical and durability properties of microorganism

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-024-1098-7

Abstract: Cracking, which allows chemicals to enter and can cause concrete structures to lose their physico-mechanicalA detailed literature review with data representation for various mechanical properties including compressivestrength (CS), split tensile strength (SS), and flexure strength (FS), along with durability properties

Keywords： bacterial concrete     bibliographic survey     biomineralization     carbonation     fibers    

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Influence of surface modified mixed metal oxide nanoparticles on the electrochemical and mechanical properties

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1,   Pages 1-14 doi: 10.1007/s11705-022-2176-9

Abstract: Electrochemical techniques were used to investigate the barrier properties of the synthesized PU–ATA/When the concentration of ATA/SiO2−TiO2 nanoparticles was 2 wt %, dynamic mechanicalanalysis revealed better mechanical properties.newly synthesised PU–ATA/SiO2–TiO2 nanocomposite provided excellent barrier and mechanicalproperties due to the addition of ATA/SiO2–TiO2 nanoparticles to the polyurethane

Keywords： SiO2/TiO2 nanoparticle     nanocomposite coatings     dynamic mechanical analysis     electrochemical    

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Effects of sheet thickness and material on the mechanical properties of flat clinched joint

Chao CHEN, Huiyang ZHANG, Shengdun ZHAO, Xiaoqiang REN

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 2,   Pages 410-419 doi: 10.1007/s11465-020-0618-y

Abstract: In this paper, the effects of sheet thickness and material on the mechanical properties of the clinchedCross-tensile and shearing tests were carried out to analyze the mechanical properties of the clinched

Keywords： clinched joint     flat clinching process     thickness configuration     material configuration     mechanical property    

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Title Author Date Type Operation

Mechanical properties and microstructure of multilayer graphene oxide cement mortar

Journal Article

Molecular dynamics investigation of mechanical properties of single-layer phagraphene

Ali Hossein Nezhad SHIRAZI

Journal Article

Facile synthesis of polyaniline nanorods to simultaneously enhance the mechanical properties and wear

Journal Article

Assessment and prediction of the mechanical properties of ternary geopolymer concrete

Jinliang LIU; Wei ZHAO; Xincheng SU; Xuefeng XIE

Journal Article

Influence of recycled polyethylene terephthalate fibres on plastic shrinkage and mechanical properties

Necat ÖZAŞIK; Özgür EREN

Journal Article

Unified calculation method and its application in determining the uniaxial mechanical properties of concrete

Faxing DING, Xiaoyong YING, Linchao ZHOU, Zhiwu YU

Journal Article

Mechanical properties of vanadium-alloyed austempered ductile iron for crankshaft applications

Journal Article

A comparative study of the mechanical properties, fracture behavior, creep, and shrinkage of chemically

Mahdi AREZOUMANDI, Mark EZZELL, Jeffery S VOLZ

Journal Article

Combination form analysis and experimental study of mechanical properties on steel sheet glass fiber

Journal Article

Effects of coarse and fine aggregates on long-term mechanical properties of sea sand recycled aggregate

Journal Article

Effects of natural zeolite and sulfate ions on the mechanical properties and microstructure of plastic

Journal Article

Dual cross-linked MXene/cellulose nanofiber/nickel alginate film with improved mechanical properties

Journal Article

Bibliographic survey and comprehensive review on mechanical and durability properties of microorganism

Journal Article

Influence of surface modified mixed metal oxide nanoparticles on the electrochemical and mechanical properties

Journal Article

Effects of sheet thickness and material on the mechanical properties of flat clinched joint

Chao CHEN, Huiyang ZHANG, Shengdun ZHAO, Xiaoqiang REN

Journal Article