Research on the coupling expansion deformation behavior

Research on the coupling expansion deformation behavior

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Research on the Coupling Expansion Mechanism of

Abstract The complete coupling expansion of stents includes constriction, free expansion and interactions with the artery vessel. This paper has used finite element method analyzing the static and dynamic continuous deformation process of stents with two kinds of ...

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Modelling and analysis of the oxide growth coupling

16/4/2019· A chemo-transport-mechanics model is developed to study the growth of thermally grown oxide (TGO) and its impact on deformation and stress in air plasma-sprayed thermal barrier coatings (TBCs). As the driving force for oxygen transport, the chemical potential ...

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Influence of Thermal Deformation on the Characteristic Diagram

1447, Page 1 International Compressor Engineering Conference at Purdue, July 16-19, 2012 Influence of Thermal Deformation on the Characteristic Diagram of a Screw Expander in Automotive Application of Exhaust Heat Recovery Dipl.-Ing. ALEXANDER NIKOLOV1*, Dipl.-Ing., Dipl.-Ing.

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Modified Nishihara Rheological Model considering the

The effect of temperature and pressure, which play important roles in the mechanical properties of rocks during deep energy exploitation, has not been sufficiently studied in the previous rock creep models. In order to investigate thermal effect in creep models, a modified Nishihara rheological model, taking into account the coupled effect of thermal damage and stress, was proposed by ...

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Research on Thermo-Mechanical Coupling Deformation

Methods The deformation of the spindle feed system in actual working processes is approached by modeling, simulation and verification. Based on the theory of mechanics and heat transfer, the models for the transient milling force and the temperature field are established to obtain the real-time, dynamic cutting force and the associated heat values.

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Theoretical Model on Coupling Process of Moisture-salt

AbstractFor the lack of four-field coupling theory of sulfate salty soil during salt heaving process, a coupling dynamic model of moisture-salt-heat-stress field was established on the basis of three-field coupling model of frozen soil.First, based on hydrodynamic ...

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Deformation behavior and microstructure evolution of

It considers the underlying coupling mechanisms among microstructure development, plastic flow and processing conditions and has become a research hotspot. This paper presents a critical review on the experimental characterization and modelling for hot deformation behavior and microstructure evolution of titanium alloy with lamellar microstructure, which were reported in international ...

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Research ManningGroup

Research in the Manning group follows two interconnected thrusts: Collective behavior in biological tissues and deformation in disordered solids. ... Collective behavior in biological tissues Groups of cells exhibit interesting collective behavior that emerges from ...

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ResearchGate Share and discover research - Constitutive

The relaxation behavior was found to be dependent on the process prehistory including extent and rate of deformation. The behavior was divided into three regimes: Regime I, where the birefringence ...

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Coupling behavior of shear deformation and end rotation of

deformation, respectively. When considering the horizontal behavior of elastomeric bearings, accurate calculation for bending stiffness is as important as shear stiffness. Previous experimental and analytical research related to the stability of rubber bearings under

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Research on thermal deformation of large-scale computer

23/5/2013· Research on thermal deformation of large-scale computer numerical control (CNC) hobbing machines is on the purpose of obtaining the law of thermal deformation of gear hobbing machines to improve... Recommended by Associate Editor Chang-Wan Kim Shi-Long ...

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Sorption-Induced Deformation of Nanoporous Materials

Because of the interplay of these deformation mechanisms, the strain changes from shrinkage to expansion upon increase of pressure. The thesis ends with a Dependent Domain Model (DDM), developed to describe the coupled behavior at the macroscale of

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Influence of Shear on Deformations of Coupling Beams

The new program Response is shown to be a powerful tool to accurately predict load-deformation behavior, ... Research on the Coupling Mechanism between

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Effect of Chain Entanglements on Plastic Deformation

Samples of semicrystalline polyethylene in which the chain topology within the amorphous component was altered by using two-stage processing, including crystallization in a chain-extended fashion at high pressure in the first step, were produced, and their deformation behavior in the plane-strain compression was studied. The deformation and recovery experiments evidenced that the state of the ...

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Failure Analysis of the Pin Bore of the Combined Piston

21/12/2019· The combined piston can be used in an aero piston heavy fuel engine because of its light weight, so as to reduce the reciprocating inertia force and improve the engine power-weight ratio. However, the pin bore of the combined piston is prone to deform leading to the ...

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The Research on Strength and Deformation Behaviors

By using the high-temperature and high-pressure triaxial apparatus, 81 undrained triaxial shearing tests of GMZ bentonite were carried out, and the effects of temperature, confining pressure, water content, and dry density on the deformation and strength ...

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[Research on the coupling expansion deformation

[Research on the coupling expansion deformation behavior of coronary stainless steel stent in vitro]. [Article in Chinese] Wang W(1), Feng H(1), Wang X(1), Chen Y(1), Zhang R(1). Author information: (1)Mechanical Engineering College, Lnner Mongolia

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Predicting deformation behavior of α-uranium during

Predicting deformation behavior of α-uranium during tension, compression, load reversal, rolling, and sheet forming using elasto-plastic, multi-level crystal plasticity coupled with finite elements A dislocation-based polycrystal plasticity model for predicting response

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Detailing and Behavior of Coupling Beams With High

One reinforced concrete coupling beam was included along with three strain-hardening, High-Performance Fiber Reinforced Concrete (HPFRC) coupling beams to allow a comparison of their behavior. When subjected to reversing lateral displacements

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Research on Monitoring the Bridge Deformation by

The harm of bridge deformation is serious, real time monitoring of bridge deformation is important to ensure the safe use. Over the years, the routine measuring method is unable to complete the multiple, dynamic monitoring. This paper discusses the method of multi ...

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Study on failure models and fractal characteristics of shale under seepagestress coupling

current research on shale mainly focuses on the mechanical properties, failure mode, and permeability characteristics, the research on the fracture mechanism of shale with different bedding dip angle under the coupling of permeability and stress is lacking. But

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Modeling high-temperature glass molding process by

TY - JOUR T1 - Modeling high-temperature glass molding process by coupling heat transfer and viscous deformation analysis AU - Yan, Jiwang AU - Zhou, Tianfeng AU - Masuda, Jun AU - Kuriyagawa, Tsunemoto PY - 2009/4 Y1 - 2009/4 N2 - Glass molding ...

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Advances in Mechanical Engineering 2020, Vol. 12(1) 118

mechanical loss, and bearing friction. The heat induces the radial and axial thermal displacement of the bear-ing. The stator is fixed in the motorized spindle and controlled by a frequency converter. The output power of the motorized spindle is shown in equation (1)16

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Intrinsic Deformation Behavior of Semicrystalline

Coupling of Nanocavitation With Cyclic Deformation Behavior of High-Density Polyethylene Below the Yield Point. Journal of Engineering Materials and Technology 2011, 133 (3) , 030901. DOI: 10.1115/1.4004047.

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Characterization and finite element modeling of coupled

The bias-extension test was implemented to characterize the shear behavior of the fabric. The specimen for the bias-extension test was divided into three zones, as depicted in Fig. 3.To obtain a uniform deformation in Zone A, the specimen's length L must be equal to or greater than twice its width W..

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Uniaxial and biaxial mechanical behavior of human

Uniaxial and biaxial mechanical behavior of human amnion - Volume 20 Issue 11 - Michelle L. Oyen, Robert F. Cook, Triantafyllos Stylianopoulos, Victor H. Barocas, Steven E. Calvin, Daniel V. Landers Chorioamnion, the membrane surrounding a fetus during ...

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Research of the Microstructure and Mechanical

Abstract: Uni-axial tensile plastic deformation behavior of rolled magnesium alloy AZ31B under the temperature range from room temperature(RT) to 250 C with strain rates between 10-3 and 10-1 s-1 has been systematically investigated.

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Solid-Gas Coupling Model for Coal-Rock Mass

The solid-gas coupling model for mining coal-rock mass deformation and pressure relief gas flow in protection layer mining is the key to determine deformation of coal-rock mass and migration law of pressure relief gas of protection layer mining in outburst coal ...

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Effect of various deformation processes on the corrosion

The aim of this research project is to correlate the plastic deformation and mechanical instability of casing steel materials with corrosion behavior and surface change, in order to identify a tolerable degree of deformation for casing steel materials. While the corrosion ...

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The Research on Creep Deformation and Thermal Stress

Abstract: The creep deformation of the cast copper cooling staves was researched based on the steady temperature field by using thermal - mechanical coupling finite element transient analysis method and ABAQUS software. [4] Zhang guodong, Zhou changyu, Xue

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Thermo-mechanical behavior prediction of shape

Based on the framework of the multiplicative decomposition of the deformation gradient, the thermal-mechanical behavior of the glassy phase is modeled by using two paralleled Maxwell elements and a thermal expansion element.

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Experimental Investigation of the Deformation

30/4/2019· Under the coupling action of dynamic and seepage loads, large settlement can occur in soft soil since the deformation is related to both cyclic stress and seepage. Therefore, it is significant to understand the dynamic deformation characteristics of soil to ensure

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