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Measurement of dynamic fracture toughness and failure behavior for explosive mock materials

Pengwan CHEN, Zhongbin ZHOU, Shaopeng MA, Qinwei MA, Fenglei HUANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 292-295 doi: 10.1007/s11465-011-0237-8

Abstract:

In this work, a pre-cracked semi-circular shaped explosive simulant was loaded using a split Hopkinsonmethod of combined DIC and SHPB is effective to study the dynamic deformation and fracture behavior of explosive

Keywords： digital image correlation     polymer bonded explosive simulant     split Hopkinson pressure bar (SHPB)     semicircular    

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Printability and hardening performance of three-dimensionally-printed geopolymer based on lunar regolith simulant

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0003-0

Abstract: This study aims to improve the printability of a geopolymer based on a BH-1 lunar regolith simulant,

Keywords： geopolymer     lunar regolith simulant     3D printing     rheology     printability    

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Experimental investigation on dynamic response ofchamber to simulate deepwater explosive

Zhong Dongwang,Li Linna

Strategic Study of CAE 2014, Volume 16, Issue 11,   Pages 78-81

Abstract: text-align: justify;">Experimental investigation was conducted for the dynamic response of a real spherical explosivechamber that can simulate 200m deepwater explosive loaded 10gTNT equivalent．The vibration characteristicschamber．The research results reveal the rule of the dynamic response of the container on different explosive

Keywords： deepwater explosive     explosive chamber     dynamic response     strain    

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bond enhancement using carbon nanotubes on flexural behavior of RC beams strengthened with externally bonded

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 131-143 doi: 10.1007/s11709-021-0787-8

Abstract: This paper studied the effect of incorporation of carbon nanotubes (CNTs) in carbon fiber reinforced polymerThe RC beams were prepared, strengthened in flexure by externally bonded CFRP or CNTs-modified CFRP sheets

Keywords： RC beams     flexural     strengthening     CFRP     CNTs     finite element    

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Summarization of prevention and removing technology against terrorist attacks explosion

Fang Xiang,Gao Zhenru,Zhou Shouqiang,Guo Tao

Strategic Study of CAE 2013, Volume 15, Issue 5,   Pages 80-83

Abstract: It contains the equipment and means of explosive search, removing and prevention.paper analyzes the pattern of terrorist attack activity, the equipment and shielding technology of explosiveIt studies the technical means of explosive detection, prevention and removing, and puts forward research

Keywords： terrorist explosion     explosive search     explosive removing     explosive prevention    

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Optimization of polyurethane-bonded thin overlay mixture designation for airport pavement

Xianrui LI; Ling XU; Qidi ZONG; Fu JIANG; Xinyao YU; Jun WANG; Feipeng XIAO

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 8,   Pages 947-961 doi: 10.1007/s11709-022-0836-y

Abstract: polyurethane binder determines the limited time window for mixing and construction of polyurethane-bonded

Keywords： polyurethane-bonded mixture     mix design optimization     airport pavement     thin overlay     gray relational    

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Anisotropy of multi-layered structure with sliding and bonded interlayer conditions

Lingyun YOU, Kezhen YAN, Jianhong MAN, Nengyuan LIU

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 632-645 doi: 10.1007/s11709-020-0617-4

Abstract: The sliding and bonded interlayer conditions were considered in this process.

Keywords： multi-layered structure     Hankel transformation     anisotropic     transversely isotropic     interlayer condition     Gauss-Legendre quadrature    

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Synthesis of mid-dicarboxy polystyrene by ATRP and formation of ionic-bonded supramolecules

YU Tao, WANG Yun, LU Dairen, BAI Ruke, LU Weiqi

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2,   Pages 140-145 doi: 10.1007/s11705-007-0026-4

Abstract: The molecular weight of the obtained polymer increased linearly with monomer conversion, its molecularThe structure of the polymer was confirmed by H-NMR spectra.After being hydrolyzed, dicarboxy polystyrene was obtained and used to form ionic-bonded supramolecules

Keywords： controlled molecular     conversion     bromination     relationship     isophthalate    

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Laser ablation of block copolymers with hydrogen-bonded azobenzene derivatives

Jintang Huang, Youju Huang, Si Wu

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 450-456 doi: 10.1007/s11705-018-1735-6

Abstract:

Supramolecular assemblies (PS-b-P4VP(AzoR)) are fabricated by hydrogen-bonding azobenzene derivatives (AzoR) to poly(4-vinyl pyridine) blocks of polystyrene-block-poly(4-vinyl pyridine) (PS-b-P4VP). PS-b-P4VP(AzoR) forms phase separated nanostructures with a period of ~75–105 nm. A second length scale structure with a period of 2 µm is fabricated on phase separated PS-b-P4VP(AzoR) by laser interference ablation. Both the concentration and the substituent of AzoR in PS-b-P4VP(AzoR) affect the laser ablation process. The laser ablation threshold of PS-b-P4VP(AzoR) decreases as the concentration of AzoR increases. In PS-b-P4VP(AzoR) with different substituents (R= CN, H, and CH3), ablation thresholds follow the trend: PS-b-P4VP(AzoCN)<PS-b-P4VP(AzoCH3)<PS-b-P4VP(AzoH). This result indicates that the electron donor group (CH3) and the electron acceptor group (CN) can lower the ablation threshold of PS-b-P4VP(AzoR).

Keywords： laser ablation     block copolymers     hydrogen-bond     azobenzene derivatives     supramolecular assembly    

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Progresses in Explosive Materials and Engineering Blasting

Wang Xuguang

Strategic Study of CAE 2002, Volume 4, Issue 4,   Pages 36-40

Abstract:

The progresses in explosive materials and engineering blasting in the recent five years at home and

Keywords： explosive     blasting accessories     blasting    

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Preparation and Characterization of High-Strength Geopolymer Based on BH-1 Lunar Soil Simulant with Low Article

Siqi Zhou, Chenghong Lu, Xingyi Zhu, Feng Li

Engineering 2021, Volume 7, Issue 11,   Pages 1631-1645 doi: 10.1016/j.eng.2020.10.016

Abstract: In this study, a new type of lunar soil simulant named Beihang (BH)-1 was developed.

Keywords： Space exploration     Lunar base     Geopolymer     Lunar soil simulant     Rheology    

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Research on the Buffering Effect of Flexible Materialon the Explosive Loading

Yu Shaojuan,Li Yongchi,Liu Haowen,Sun Yuxin, Hu Xiuzhang

Strategic Study of CAE 2007, Volume 9, Issue 4,   Pages 75-78

Abstract: Numerical simulations are carried out with the presented constitutive relations for explosive-filled The thickness of explosive and flexible material that influences the load of the interface is discussed

Keywords： flexible material     explosive loading     load remodeling     numerical simulation    

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Organic conjugated polymers and polymer dots as photocatalysts for hydrogen production

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 667-677 doi: 10.1007/s11708-021-0767-7

Abstract: Among them, organic polymer dots process large breadth of potential synthetic diversity are the representativeIn this mini-review, first, the organic polymer photocatalysts were introduced.Then, recent reports on polymer dots which showed a superior photocatalytic activity and a robust stabilityFinally, challenges and outlook on using organic polymer dots-based photocatalysts from hydrogen production

Keywords： polymer dots (Pdots)     photocatalysis     hydrogen production    

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Study on efficiency of aluminized thermobaric explosive

Pei Mingjing,Hu Huaquan,Zhang Jingsen,Yu Qin,Liu Yu,Chen Liqiang

Strategic Study of CAE 2009, Volume 11, Issue 4,   Pages 67-75

Abstract: text-align: justify;">This paper mainly expatiated the essential components of aluminized thermobaric explosiveHeats of the explosive samples were determined in oxygen, air and argon confined in stainless steel containerThe results indicated that the aluminized thermobaric explosive flake had a higher energy releasing efficiency

Keywords： aluminized thermobaric explosive     detonation efficiency     shock wave     blast fireball    

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Construction of interfacial dynamic bonds for high performance lignin/polymer biocomposites

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1372-1388 doi: 10.1007/s11705-023-2302-3

Abstract: The development of lignin/polymer biocomposites can promote the high value utilization of lignin andHowever, the weak interfacial interaction between industrial lignin and polymer induces poor compatibilityand serious agglomeration in polymer owing to the strong intermolecular force of lignin.As such, it is extremely difficult to prepare high performance lignin/polymer biocomposites.The lignin-modified polymer composites achieved simultaneously enhanced strength and toughness.

Keywords： lignin     polymer     interfacial dynamic bonds    

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Title Author Date Type Operation

Measurement of dynamic fracture toughness and failure behavior for explosive mock materials

Pengwan CHEN, Zhongbin ZHOU, Shaopeng MA, Qinwei MA, Fenglei HUANG

Journal Article

Printability and hardening performance of three-dimensionally-printed geopolymer based on lunar regolith simulant

Journal Article

Experimental investigation on dynamic response ofchamber to simulate deepwater explosive

Zhong Dongwang,Li Linna

Journal Article

bond enhancement using carbon nanotubes on flexural behavior of RC beams strengthened with externally bonded

Journal Article

Summarization of prevention and removing technology against terrorist attacks explosion

Fang Xiang,Gao Zhenru,Zhou Shouqiang,Guo Tao

Journal Article

Optimization of polyurethane-bonded thin overlay mixture designation for airport pavement

Xianrui LI; Ling XU; Qidi ZONG; Fu JIANG; Xinyao YU; Jun WANG; Feipeng XIAO

Journal Article

Anisotropy of multi-layered structure with sliding and bonded interlayer conditions

Lingyun YOU, Kezhen YAN, Jianhong MAN, Nengyuan LIU

Journal Article

Synthesis of mid-dicarboxy polystyrene by ATRP and formation of ionic-bonded supramolecules

YU Tao, WANG Yun, LU Dairen, BAI Ruke, LU Weiqi

Journal Article

Laser ablation of block copolymers with hydrogen-bonded azobenzene derivatives

Jintang Huang, Youju Huang, Si Wu

Journal Article

Progresses in Explosive Materials and Engineering Blasting

Wang Xuguang

Journal Article

Preparation and Characterization of High-Strength Geopolymer Based on BH-1 Lunar Soil Simulant with Low

Siqi Zhou, Chenghong Lu, Xingyi Zhu, Feng Li

Journal Article

Research on the Buffering Effect of Flexible Materialon the Explosive Loading

Yu Shaojuan,Li Yongchi,Liu Haowen,Sun Yuxin, Hu Xiuzhang

Journal Article

Organic conjugated polymers and polymer dots as photocatalysts for hydrogen production

Journal Article

Study on efficiency of aluminized thermobaric explosive

Pei Mingjing,Hu Huaquan,Zhang Jingsen,Yu Qin,Liu Yu,Chen Liqiang

Journal Article

Construction of interfacial dynamic bonds for high performance lignin/polymer biocomposites

Journal Article