搜索结果: 1-12 共查到“机械工程 Deformation”相关记录12条 . 查询时间(0.125 秒)
Molecular Dynamics Simulations of the Mechanical Deformation Behavior of Face-Centered Cubic Metallic Nanowires
LAMMPS fcc deformation behavior mechanical properties
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2015/1/12
Nanoscale materials have become an active area of research due to the enhanced mechanical properties of the nanomaterials in comparison to their respective bulk materials. The effect that the size and...
Morphology and Development of Droplet Deformation Under Flow Within Microflidic Devices
Morphology Development Droplet Deformation Flow Within Microfluidic Devices
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2014/10/24
Microfluidics is the science of processing up to microliters of fluid at a time in a channel with dimensions on the order of microns. The small size of the devices allows fluid properties to be studie...
Numerical Investigation on Fluid Structure Interaction Considering Rotor Deformation for a Centrifugal Pump
centrifugal pump fluid structure interaction coupled solution
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2011/8/5
The existing researches for unsteady flow field and the corresponding flow induced vibration analysis of centrifugal pump are mainly carried out respectively without considering the interaction betwee...
Elimination of permanent deformation of travelling cranes box girders operating in foundry shops
Foundary material haundling Traveling crane Box girdes
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2011/3/15
The serious problem in travelling cranes maintenance, crane supporting beams and other carrying elements of material handling facilities in foundry shops is phenomenon of permanent deformations.
Atomistic Simulations of the Mechanical Deformation of Irradiation-amorphized Silicon Carbide
silicon carbide irradiation-amorphization molecular dynamics modeling
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2011/8/3
Irradiation-induced atomic-scale defects and lattice disorder in Silicon Carbide (SiC) can significantly affect the material’s mechanical properties. Currently there lacks a unified physical model cap...
Finite elements method (FEM) simulation based prediction of deformation and temperature at rolling of tubes on a pilgrim mill
FEM temperature tube rolling
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2009/10/23
3D - FEM simulation was used as an efficient tool for description of stress-deformation thermal field at rolling of tubes on a pilgrim mill. The monitored objectives comprised also behaviour of workin...
Mechanical and service properties of low carbon steels processed by severe plastic deformation
severe plastic deformation (SPD) ECAP low carbon steel submicrocrystalline structure
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2009/10/23
The structure and properties of the 0,09% C-Mn-Si-Nb-V-Ti, 0,1 %C-Mn-V-Ti and 0,09% C-Mo-V-Nb low-carbon steels were studied after cold equal-channel angular pressing (ECAP). ECAP leads to the formati...
Theoretical And Experimental Analys Of Plastic Deformation Heat For Pim-Ring Sliding System Under Dry Friction Conditions
Sliding Friction Plastic Deformation Frictional Heat
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2009/10/15
In this study, a theoretical model which can ensure the calculation of plastic deformation heat occured at the worn surfaces due to the friction during sliding was established and the validity of the ...
THE VEINING STRUCTURE METHOD, THE FINITE ELEMENT METHOD IN THERMAL DEFORMATION DETERMINATION FOR THE MAIN SPINDLE AT NUMERICHAL CONTROL LATHES
finite element thermal deformation main spindle
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2009/10/13
In the determination of the process accuracy on CNC lathe it is very important to know the thermal deformations. This article presents a new solution to obtain the thermal deformations at the principa...
Elastic-Plastic Deformation of a Tube with Free Ends Subjected to Internal Energy Generation
Elastic-plastic thermal stresses internal energy tube
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2009/10/13
The elastic-plastic deformation of a tube with free ends subjected to uniform internal energy generation is evaluated using Tresca's yield condition and the associated flow rule. Yielding starts at th...
Yielding and Elastoplastic Deformation of Annular Disks of a Parabolic Section Subject to External Compression
Variable thickness External pressure Nonlinear hardening Residual stresses
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2009/10/10
A computational model is developed to predict partially plastic stresses in variable thickness annular disks subject to radial compression. The model is based on the von Mises’ yield criterion, deform...
Increasing SPD effectiveness by changing deformation process in the first pass through the ECAP die
Computational material science Severe plastic deformation Amount of deformation
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2010/2/10
Purpose: Purpose of this paper Technology ECAP belongs to the most efficient technologies for production of materials with ultra-fine grained structure. Its disadvantage consists in necessity to make ...