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Прoблемы прочности, 2017
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Перегляд Прoблемы прочности, 2017 за датою випуску

Перегляд Прoблемы прочности, 2017 за датою випуску

Результати 1-20 з 109

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Bending Performance of Steel/CFRP Plate-Reinforced Core Timber Beams

Xiong, X.Y.; Wang, Y.Q.Z.; Lu, X.X.; Xue, R.J. (Проблемы прочности, 2017)

Experimental study and theoretical analysis on flexural behaviour of four core timber beams (one is unreinforced, three are reinforced with steel/CFRP plate) have been conducted. The experimental results show that the ...
A Comparative Study of Damage Performance of the Kill Element from Different Materials

Yin, J.P.; Gao, B.B.; Wang, Z.J.; Zhao, C.L. (Проблемы прочности, 2017)

For the design of the novel anti-explosive reactive armor tandem warhead, a prerequisite is to improve the reaming capacity and the damage performance of the preceding kill element so that the channel is ready for the ...
Numerical Simulation of Steel Target Penetration by Shaped Charge Distended Jet with a High-Polymer Liner

Yi, J.Y.; Wang, Z.J.; Yin, J.P.; Chang, B.H. (Проблемы прочности, 2017)

This study investigates the characteristics of shaped charge jet formed with a high-polymer (PTFE) liner, as well as its penetration capabilities, by theoretical, experimental, and numerical methods. This work presents a ...
Analysis and Experimental Study of Vibration System Characteristics of Ultrasonic Compound Electrical Machining

Deng, Z.Q.; Zhu, Y.W.; Wang, F.; Gu, X.; Yang, D. (Проблемы прочности, 2017)

The effect of applying ultrasonic vibration in the ultrasonic compound electrical machining is analyzed. According to the resonance system during machining and on the basis of vibration theory, the shape and dimension ...
Effect of Impact Load on Dynamic Buckling of Steel Lattice Arch

Liu, M.S.; Li, J.Y.; Tian, Z.X.; Zhu, C.W.; Ju, J.S. (Проблемы прочности, 2017)

In this study, test results and numerical simulation data are jointly analyzed to investigate the dynamic buckling of the steel arch under impact load. A series of impact tests of the triangular lattice steel arch are ...
Experimental Study on the Coaxing Effect of Multi-Level Stresses with Different Sequences

Zhao, L.H.; Li, J.X.; Yu, W.Y.; Ma, J.; Zheng, S.L. (Проблемы прочности, 2017)

The coaxing effect in fatigue refers to an increase in the fatigue strength of material imduced by prior cycling at a stress level below the fatigue limit. In this study, the coaxing effect of multi-level stresses in the ...
Strength Improvement of Ferritic/Martensitic T91 Steel by Cross Wedge Rolling at Different Austenitizing Temperatures

He, T.; Min, L.; Liu, H.J. (Проблемы прочности, 2017)

Cross wedge rolling (CWR) is a forming technique wherein the processed material microstructure is controlled by the processing temperature. The initial results on CWR-processed T91 steels at different austenitizing ...
High-Cycle Fatigue Properties and Damage Mechanism of Q345B Structural Steel

Hu, X.L.; Liu, Y.J.; Khan, M.K; Wang, Q.Y. (Проблемы прочности, 2017)

The high-cycle fatigue behavior of Q345B structural steel was investigated experimentally. Highfrequency vibration fatigue testing machine and scanning electron microscopy were used to study the high-cycle fatigue S—N curve ...
Effect of the Microcrack Inclination Angle on Crack Propagation Behavior of TiAl Alloy

Feng, R.C.; Lu, J.T.; Li, H.Y.; Cao, H.; Rui, Z.Y. (Проблемы прочности, 2017)

Molecular dynamics simulation was employed to make the model of crack propagation for singlecrystal y-TiAl alloy. The effects of the angle between a microcrack and loading direction on crack propagation were studied through ...
Constitutive Behavior of 4343/4A60 Aluminum Alloy at Multi-Pass Hot Deformation

Tang, C.; Zhou, Y.; Weng, H.; Guo, X.F.; Xu, Q.P. (Проблемы прочности, 2017)

Hot roll bonding of 4343/4A60 aluminum alloy has been performed in the Gleeble-3500 thermal simulator. The bonding process constitutive behavior has been analyzed. The results show that the peak flow stress decreases with ...
Comparison of the Effect of Different Heat Treatment Processes on Microstructure and Mechanical Properties of Stainless Steel Clad Plate

Jin, H.R.; Yang, X.K.; Yi, Y.L. (Проблемы прочности, 2017)

To improve the mechanical properties and corrosion resistance of 304/Q345R stainless steel clad plate, different heat treatment processes (oil cooling, oil cooling and tempering, oil cooling to 450°C as well as air cooling) ...
Study on the Fabrication of Nano-SiC/Ni-P Composite Coatings with the Assistance of Electromagnetic-Ultrasonic Compound Field

Zhou, H.Z.; Wang, W.H.; Gu, Y.Q.; Fang, X.X.; Bai, Y.Q. (Проблемы прочности, 2017)

Electroless nanocomposite platings were fabricated while the magnetic field strength and ultrasonic parameters were controlled. The effect of the complex field on the composite platings’ deposition process was discussed. ...
Influence of Tantalum Addition on Microstructure and Mechanical Properties of the NiAl-Based Eutectic Alloy

Sheng, L.Y.; Du, B.N.; Lai, C.; Guo, J.T.; Xia, T.F. (Проблемы прочности, 2017)

NiAl-28Cr-6Mo or NiAl-Cr(Mo) eutectic alloys with different degree of tantalum (Ta) addition have been fabricated and investigated. The microstructural characterization shows that minor Ta addition results in the formation ...
Numerical Simulation of Fatigue Damage and Shape Instability Behavior of Steel 40Cr by the Damage-Coupled Crystal Plastic Model

Wu, G.C.; Li Y., F.; Pan, X.D.; Wang, G.L. (Проблемы прочности, 2017)

A representative volume element is developed based on the Voronoi tessellation to reveal the mechanism of shape instability behavior. In the model, a damage-coupled crystal plastic model is established to describe the shape ...
Behavior of Self-Compacting Concrete-Filled Steel Tube Columns with Inclined Stiffener Ribs under Axial Compression

Liang, W.; Dong, J.F.; Yuan, S.C.; Wang, Q.Y. (Проблемы прочности, 2017)

This study outlines the experimental investigation of the steel tube columns filled with selfcompacting concrete under axial compression. The effect of the stiffening arrangements and the concrete strength on the properties ...
Study on Behavior of RPC Filled Steel Tubular Stub Columns under Axial Compression

Liu, S.H.; Li, L.H.; Wang, L. (Проблемы прочности, 2017)

Reactive powder concrete (RPC) with compressive strength higher than 170 MPa was prepared by using ordinary Portland cement, silica fume, ground granulated blast-furnace slag or fly ash. RPC shows high strength, constant ...
Strength of Reactive Powder Concrete Beam-Column Joints Reinforced with High-Strength (HRB600) Bars under Seismic Loading

Wang, D.H.; Ju, Y.Z.; Zheng, W.Z. (Проблемы прочности, 2017)

In order to study the seismic behavior of reactive powder concrete beam-column joints reinforced with high-strength bars, an experimental investigation was carried out. A total of 5 reinforced reactive powder concrete ...
Force Model and Elastic Deformation Analysis of 20-High Sendzimir Mill Rolls

Wang, Z.H.; Lei, Y.L.; Feng, Y.H.; Hu, H.F. (Проблемы прочности, 2017)

A 20-high Sendzimir mill is widely used in cold rolling. The deformation of rolls within the roll system as a whole is analyzed without pin-pointing upon each roll and impact on the rolling process. The mechanical model ...
Application of Stir Tool Force Measuring Dynamometer for Friction Stir Welding of Aluminum Alloys

Wang, H.F.; Wang, J.L.; Zuo, D.W.; Song, W.W. (Проблемы прочности, 2017)

In this study, a stir tool force measuring dynamometer was designed and manufactured to be suitable for use during the process of friction stir welding. The dynamometer meets the requirements needed for actual force ...
Study of Mechanical Degradation of 9Cr-1Mo-V-Nb Steel under Creep-Fatigue Interaction Conditions

Kim, C.S. (Проблемы прочности, 2017)

Creep-fatigue tests of 9Cr-1Mo-V-Nb steel have been conducted under load control with further study of the steel mechanical degradation via microscopic observation, static-mechanical analysis and ultrasonic evaluation. The ...

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