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Strengthening of the concrete face slabs of dams using sprayable strain-hardening fiber-reinforced cementitious

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 2, Pages 145-160 doi: 10.1007/s11709-022-0806-4

Abstract: In this study, sprayable strain-hardening fiber-reinforced cementitious composites (FRCC) were appliedThe findings of this study indicate that the sprayable strain-hardening FRCC has a good potential for

Keywords： strain-hardening cementitious composites engineered cementitious composites sprayable shotcrete strengthening

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

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

Abstract: The mechanical properties of the hardening geopolymer with different filling paths and loading directions

Keywords： geopolymer lunar regolith simulant 3D printing rheology printability

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Seismic analysis of steel structures considering damage cumulation

SHEN Zuyan, WU Aihui

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1, Pages 1-11 doi: 10.1007/s11709-007-0001-7

Abstract: damage cumulation hysteretic model incorporating the deterioration of stiffness, strength and strain hardening

Keywords： hardening regression analysis computer program cumulation hysteretic strength

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Stress-strain relationship with soil structural parameters of collapse loess

SHAO Shengjun, LONG Jiyong, YU Qinggao

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 2, Pages 151-160 doi: 10.1007/s11709-008-0020-z

Abstract: constitutive model is established to reflect the variation in loess structure, stress-strain softening and hardening

Keywords： hardening shearing expansion unsaturated structural property mathematical expression

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Effect of styrene-butadiene-styrene copolymer on the aging resistance of asphalt: An atomistic understanding from reactive molecular dynamics simulations

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5, Pages 1261-1276 doi: 10.1007/s11709-021-0761-5

Abstract: In addition, SBS polymer degrades into small blocks during aging, thus counteracting the hardening of

Keywords： SBS asphalt oxidative aging asphalt hardening ReaxFF molecular dynamics

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New model of load transfer function for pile analysis based on disturbed state model

LIU Qijian, YANG Linde, WU Jun

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4, Pages 443-447 doi: 10.1007/s11709-007-0060-9

Abstract: of this paper has few parameters, which can reflect the aspects of load transfer function, such as hardening

Keywords： hardening homogenization displacement engineering Duncan-Zhang

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Investigation and Development Status of the Application Technology to Improve Fatigue Behavior of High Strength Alloys

Zhao Zhenye

Strategic Study of CAE 2005, Volume 7, Issue 3, Pages 90-94

Abstract: An advanced surface duplex hardening treatment caused also a 30 to 35-fold increase in contact fatigue

Keywords： high strength alloys surface integrity laser-shocking surface duplex hardening

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Research on heat treatment process of 6016 aluminum alloy

Zhang Junping,Jin Qingsheng and Ma Mingtu

Strategic Study of CAE 2014, Volume 16, Issue 1, Pages 103-107

Abstract: aluminum alloy has been carried out by means of hardness measurement，mechanical properties test and bake- hardening

Keywords： 6016 alloy solution treatment pre-aging treatment bake-hardening

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Guilin University of Electronic Technology ,Guilin,Guangxi 541004,China

Zhang Yuxian,Wang Hong

Strategic Study of CAE 2007, Volume 9, Issue 8, Pages 88-91

Abstract:

In order to study the residual stresses of auto fettage super high pressure vessel effectively, a new model of stress and strain was developed in this paper. The model is more closer to actual working condition for the steel applied in auto fettage super high pressure vessel through the strict mathematic testification. The example to be given in this paper states how this model was established and how the error was analyzed. The same example also shows that solving the new model of stress and strain based on general tensile curves is feasible and reliable indeed. The model has theoretical signification and engineering practical value to a certain extend.

Keywords： low alloy high strength composite model of stress and strain hardening exponent

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Research on dent resistance property of aluminum alloy sheets

Zhang Junping,Ma Mingtu,Fang Gang and Jin Qingsheng

Strategic Study of CAE 2014, Volume 16, Issue 1, Pages 108-112

Abstract: dent resistance property and the relationship among dent resistance， mechanical property and bake- hardeningproperty of 6016 aluminum alloy have been carried out by means of mechanical properties test，bake- hardeningThe results indicate that after two years natural aging，the strain hardening exponent nvalue and elongationThe bake-hardening values remarkably increase with temperature rising.The sheets exhibit good bake-hardening property.

Keywords： 6016 aluminum alloy bake-hardening dent resistance property

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Achieving High Strength and Tensile Ductility in Pure Nickel by Cryorolling with Subsequent Low-Temperature Short-Time Annealing

Zhide Li,Hao Gu,Kaiguang Luo,Charlie Kong,Hailiang Yu,

Engineering doi: 10.1016/j.eng.2023.01.019

Abstract: the microstructure of the specimens and showed that the high strength could be attributed to strain hardeningbe attributed to annealing twins and micro-shear bands during stretching, which improved the strain hardening

Keywords： Cryorolling Annealing Nickel Strain hardening Ductility

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Hot deformation behavior of a novel bimetal consisting of BTW1 and Q345R characterized by processing maps

Pengtao LIU, Lifeng MA, Weitao JIA, Tao WANG, Guanghui ZHAO

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 4, Pages 489-495 doi: 10.1007/s11465-019-0554-x

Abstract: Analysis of the stress-strain relationship revealed that work hardening exerted a dominant effect on

Keywords： BTW1/Q345R bimetal constitutive equation processing map work hardening

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Behavior of steel fiber–reinforced high-strength concrete at medium strain rate

Chujie JIAO, Wei SUN, Shi HUAN, Guoping JIANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2, Pages 131-136 doi: 10.1007/s11709-009-0027-0

Abstract: Impact compression experiments for the steel fiber–reinforced high-strength concrete (SFRHSC) at medium strain rate were conducted using the split Hopkinson press bar (SHPB) testing method. The volume fractions of steel fibers of SFRHSC were between 0 and 3%. The experimental results showed that, when the strain rate increased from threshold value to 90 s , the maximum stress of SFRHSC increased about 30%, the elastic modulus of SFRHSC increased about 50%, and the increase in the peak strain of SFRHSC was 2-3 times of that in the matrix specimen. The strength and toughness of the matrix were improved remarkably because of the superposition effect of the aggregate high-strength matrix and steel fiber high-strength matrix. As a result, under impact loading, cracks developed in the SFRHSC specimen, but the overall shape of the specimen remained virtually unchanged. However, under similar impact loading, the matrix specimens were almost broken into small pieces.

Keywords： fiber–reinforced high-strength concrete (SFRHSC) high strain rates split Hopkinson press bar (SHPB) strain rate hardening

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Elasto-plastic fatigue crack growth analysis of plane problems in the presence of flaws using XFEM

Sachin KUMAR,A. S. SHEDBALE,I. V. SINGH,B. K. MISHRA

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4, Pages 420-440 doi: 10.1007/s11709-015-0305-y

Abstract: The von-Mises failure criterion has been used with isotropic hardening.

Keywords： XFEM von-Mises yield criterion isotropic hardening fatigue crack growth J-integral

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New Development of Double Glow Plasma Surface Metallurgy Technology

Xu Zhong,Zhang Gaohui,Zhang Pingze,Zhang Yanmei,Chi Chengzhong,Yuan Qinglong

Strategic Study of CAE 2005, Volume 7, Issue 6, Pages 73-78

Abstract:

This paper summarises some new development of the double glow plasma surface metallurgy technology in the last few years： Ti - Cu and Ti - Cr burn-resistant alloys have been produced on the surfaces of titanium and titanium alloy Ti6A14V. Co - W - Mo - Fe age-hardened high speed steel and high Cr alloy have been formed on the surface of carbon steels. Ti - Cu wear-resistant alloy was also produced on the surface of pure copper. By using this process and solid graphite as carbon source, hydrogen-free carburising has been achieved in order to avoid hydrogen embrittlement of titanium. The experimental results indicate that the double glow plasma surface metallurgy is an advanced and powerful method for surface alloying.

Keywords： metallurgy double glow plasma surface alloying burn resistant titanium alloy hydrogen-free carburizing age-hardening

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Title Author Date Type Operation

Strengthening of the concrete face slabs of dams using sprayable strain-hardening fiber-reinforced cementitious

Journal Article

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

Journal Article

Seismic analysis of steel structures considering damage cumulation

SHEN Zuyan, WU Aihui

Journal Article

Stress-strain relationship with soil structural parameters of collapse loess

SHAO Shengjun, LONG Jiyong, YU Qinggao

Journal Article

Effect of styrene-butadiene-styrene copolymer on the aging resistance of asphalt: An atomistic understanding from reactive molecular dynamics simulations

Journal Article

New model of load transfer function for pile analysis based on disturbed state model

LIU Qijian, YANG Linde, WU Jun

Journal Article

Investigation and Development Status of the Application Technology to Improve Fatigue Behavior of High Strength Alloys

Zhao Zhenye

Journal Article

Research on heat treatment process of 6016 aluminum alloy

Zhang Junping,Jin Qingsheng and Ma Mingtu

Journal Article

Guilin University of Electronic Technology ,Guilin,Guangxi 541004,China

Zhang Yuxian,Wang Hong