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Study on Strengthening Technique with Prestressed PBO Fiber Sheets

Wu Zhishen,Iwashita Kentaro,Niu Hedong

Strategic Study of CAE 2005, Volume 7, Issue 9,   Pages 18-24

Abstract:

The application of externally bonded fiber reinforced polymer (FRP) laminates to the exposed facesA newly-developed PBO fiber possesses high modulus, high strength and higher energy absorption capabilityas compared to carbon and aramid fibers, and PBO fiber sheet can be pretensioned to over 70% of itsBased on the experiments and theoretical studies, a comprehensive strengthening method with prestressed PBOsheet is established including concept, working principle and corresponding countermeasures, whose strengthening

Keywords： fiber reinforced polymers (FRP)     PBO fiber sheet     retrofit/repair     bond     prestressing     anchorage    

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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: The concept of steel sheet glass fiber reinforced polymer (GFRP) composite bar (SSGCB) was put forward

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

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Formation mechanism and modeling of surface waviness in incremental sheet forming

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0679-1

Abstract: Improving and controlling surface quality has always been a challenge for incremental sheet forming (

Keywords： surface waviness     incremental sheet forming     numerical simulation     formation mechanism     deformation history    

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FEM-based strain analysis study for multilayer sheet forming process

Rongjing ZHANG,Lihui LANG,Rizwan ZAFAR

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 373-379 doi: 10.1007/s11465-015-0371-9

Abstract:

Fiber metal laminates have many advantages over traditional laminates (e.g., any type of fiber andFurthermore, the process requirements to strictly control the temperature and punch force in fiber metal

Keywords： finite element method (FEM)     strain analysis     multilayer sheet forming    

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Preparation and characterization of PVDF-PFSA flat sheet ultrafiltration membranes

Jiquan MA, Junhong ZHAO, Zhongbin REN, Lei LI

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 3,   Pages 301-310 doi: 10.1007/s11705-012-1204-6

Abstract: High performance polyvinylidene fluoride (PVDF) flat sheet ultrafiltration (UF) membranes have been prepared

Keywords： polyvinylidene fluoride     perfluorosulfonic acid     polyethylene glycol     flat sheet membrane     ultrafiltration    

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radiation and heat source/sink on unsteady MHD boundary layer flow and heat transfer over a shrinking sheet

Krishnendu Bhattacharyya

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 376-384 doi: 10.1007/s11705-011-1121-0

Abstract: radiation and heat source/sink on the unsteady boundary layer flow and heat transfer past a shrinking sheet

Keywords： MHD boundary layer     unsteady flow     heat transfer     thermal radiation     heat source/sink     shrinking sheet     suction    

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A hierarchical system to predict behavior of soil and cantilever sheet wall by data-driven models

Nang Duc BUI; Hieu Chi PHAN; Tiep Duc PHAM; Ashutosh Sutra DHAR

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 667-684 doi: 10.1007/s11709-022-0822-4

Abstract: machine learning (ML) models into a logical hierarchical system which evaluates the stability of the sheetstatus (random forest classification, RFC) followed by 1) the cantilever top horizontal displacement of sheet

Keywords： finite element analysis     cantilever sheet wall     machine learning     artificial neural network     random forest    

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Finite element simulations of sheet metal forming under complex strain paths

CHEN Wei, YANG Jichang, WU Xiaofeng, LU Dun, GUO Weigang

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 399-403 doi: 10.1007/s11465-007-0069-8

Abstract: Fracture is a common defect in sheet metal forming and it is essentially caused by tensile instabilityThis paper analyzes some experiments and theories for building forming limit diagrams of sheet metalthe finite element simulation and experiment was used to research the forming limit diagrams of the sheetachieve the complex strain paths and different strain paths will have great impacts on the result of the sheet

Keywords： dangerous     forming method     different     hanger     forming    

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Enhanced cross-flow filtration with flat-sheet ceramic membranes by titanium-based coagulation for membrane

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1531-x

Abstract:

• Ceramic membrane filtration showed high performance for surface water treatment.

Keywords： Ceramic membrane     Coagulation     Polytitanium chloride     Membrane fouling    

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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 clinchedThe clinched joints using various sheet configurations were sectioned, and dimensional analysis was conductedResults indicated that the clinched joint with a stiff top sheet had increased static strength regardlessThe clinched joint with a thick top sheet demonstrated lower static strength than the joint with a thickbottom sheet in the cross-tensile test.

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

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Electro-assisted CNTs/ceramic flat sheet ultrafiltration membrane for enhanced antifouling and separation

Shuo Wei, Lei Du, Shuo Chen, Hongtao Yu, Xie Quan

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1303-4

Abstract: In this work, a CNTs/ceramic flat sheet ultrafiltration membrane coupled with electro-assistance wasThe CNTs/ceramic flat sheet membrane was fabricated by coating cross-linked CNTs on ceramic membrane,

Keywords： Ultrafiltration     Electro-assistance     CNTs     Membrane fouling mitigation    

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The lean forming technology for auto sheet metal

Lin Zhongqin,Li Shuhui,Wang Wurong,Lai Xinmin

Strategic Study of CAE 2009, Volume 11, Issue 11,   Pages 22-29

Abstract:

The lean forming technology for auto sheet metal has been proposed, whichThe technical framework for auto sheet metal lean forming was constructed based on the idea of properBaosteel and some automobile plants, 50 % market sharing has been targeted for Baosteel auto steel sheet, which effectively promotes the development of application technologies for home-made auto sheet metal

Keywords： auto sheet metal     lean forming     proper material selection     process optimization     robust control    

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Improving buckling critical stress of sheet with the elasti cpressure on the surfaces of sheet and it

Song Aiping,Wang Longtai,Li Jizhong,Wang Shufeng

Strategic Study of CAE 2009, Volume 11, Issue 2,   Pages 53-59

Abstract:

A result was discovered by analyzing the stability of rectan gular sheetWhen the sheet metal is supported by the elastic pressing forces putting on the upper and lower surfacesof sheet in stamping, the sheet stability can be improved and the wrinkling of the sheet metal formedThe die can be reconfigured quickly and can suppress the wrinkling of sheet.

Keywords： wrinkling     critical stress     die     stamping process    

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Performance of fiber reinforced clayey sand composite

Amin CHEGENIZADEH, Hamid NIKRAZ

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 147-152 doi: 10.1007/s11709-012-0158-6

Abstract: Recent researches show some interests in investigation of inclusion of randomly distributed fiber instudy is related to effective parameters on strength of the clayey sand composite with using natural fiberand plastic fiber and different fiber contents and length.The fiber percentage varied from 0% (for unreinforced samples) to 4% and fiber length varied from 8 toThe fiber length and fiber content found to play important rule on the strength of fiber reinforced composite

Keywords： triaxial     consolidated undrained (CU)     fiber     strength    

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Mechanical properties of steel, glass, and hybrid fiber reinforced reactive powder concrete

Atheer H.M. ALGBURI, M. Neaz SHEIKH, Muhammad N.S. HADI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 998-1006 doi: 10.1007/s11709-019-0533-7

Abstract: This study examines the properties of fiber-reinforced reactive powder concrete (FR-RPC).Steel fibers of 13 mm length and 0.2 mm diameter were used to prepare the steel fiber-reinforced RPCGlass fibers of 13 mm length and 1.3 mm diameter were used to prepare the glass fiber-reinforced RPCThe hybrid fiber-reinforced RPC (HFR-RPC) was prepared by mixing 0.9% steel fibers and 0.6% glass fibers

Keywords： reactive powder concrete     steel fiber     glass fiber     hybrid fiber    

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Title Author Date Type Operation

Study on Strengthening Technique with Prestressed PBO Fiber Sheets

Wu Zhishen,Iwashita Kentaro,Niu Hedong

Journal Article

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

Journal Article

Formation mechanism and modeling of surface waviness in incremental sheet forming

Journal Article

FEM-based strain analysis study for multilayer sheet forming process

Rongjing ZHANG,Lihui LANG,Rizwan ZAFAR

Journal Article

Preparation and characterization of PVDF-PFSA flat sheet ultrafiltration membranes

Jiquan MA, Junhong ZHAO, Zhongbin REN, Lei LI

Journal Article

radiation and heat source/sink on unsteady MHD boundary layer flow and heat transfer over a shrinking sheet

Krishnendu Bhattacharyya

Journal Article

A hierarchical system to predict behavior of soil and cantilever sheet wall by data-driven models

Nang Duc BUI; Hieu Chi PHAN; Tiep Duc PHAM; Ashutosh Sutra DHAR

Journal Article

Finite element simulations of sheet metal forming under complex strain paths

CHEN Wei, YANG Jichang, WU Xiaofeng, LU Dun, GUO Weigang

Journal Article

Enhanced cross-flow filtration with flat-sheet ceramic membranes by titanium-based coagulation for membrane

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

Electro-assisted CNTs/ceramic flat sheet ultrafiltration membrane for enhanced antifouling and separation

Shuo Wei, Lei Du, Shuo Chen, Hongtao Yu, Xie Quan

Journal Article

The lean forming technology for auto sheet metal

Lin Zhongqin,Li Shuhui,Wang Wurong,Lai Xinmin

Journal Article

Improving buckling critical stress of sheet with the elasti cpressure on the surfaces of sheet and it

Song Aiping,Wang Longtai,Li Jizhong,Wang Shufeng

Journal Article

Performance of fiber reinforced clayey sand composite

Amin CHEGENIZADEH, Hamid NIKRAZ

Journal Article

Mechanical properties of steel, glass, and hybrid fiber reinforced reactive powder concrete

Atheer H.M. ALGBURI, M. Neaz SHEIKH, Muhammad N.S. HADI

Journal Article