Simulation of damage percolation within aluminum alloy
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Aluminum alloy spool valve body material is prone to severe wear on the wall under the condition of oil contamination. Aiming at this problem, combined with the theory of liquid-solid two-phase flow and erosion wear, the wear prediction model of aluminum alloy ...
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Percolation models The most common percolation model is to take a regular lattice, like a square lattice, and make it into a random network by randomly "occupying" sites (vertices) or bonds (edges) with a statistically independent probability p.At a critical threshold p c, large clusters and long-range connectivity first appears, and this is called the percolation threshold.
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Read MoreDamage percolation during stretch flange forming of
Abstract A multi-scale finite element (FE)-damage percolation model was employed to simulate stretch flange forming of aluminum alloys AA5182 and AA5754. Material softening and strain gradients were captured using a Gurson-based FE model.
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Chen Z, Worswick M J, Pilkey A K, Lloyd D J. Damage percolation during stretch flange forming of aluminum alloy sheet. J Mech Phy Solids 2005; 53:2692-2717. [4] Butcher C, Chen Z, Worswick W.A lower bound damage-based finite element simulation of ...
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Damage percolation modeling of void nucleation within heterogeneous particle distributions C J Butcher 1 and Z T Chen Published 30 July 2009 2009 IOP Publishing Ltd Modelling and Simulation in Materials Science and Engineering, Volume 17, Number 7
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13/9/2017· By using the method of numerical simulation and experiment, the micro damage analysis of AZ31 magnesium alloy sheet was studied by Wang Ruize based on Gurson damage model. Taking the distribution of micro voids in the plate as the research object, they ...
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C.J. Bayley and A.K. Pilkey, Interaction between surface and internal defects during the formation of shear bands in an aluminum alloy tailor welded blank, Plasticity '03, Quebec City, July 7-11, 2003.
Read MoreDamage Characterization and Damage Percolation
Damage Characterization and Damage Percolation Modelling in Aluminum Alloy Sheet 2000-01-0773 Tessellation methods have been applied to characterize second phase particle fields and the degree of clustering present in AA 5754 and 5182 automotive sheet alloys.
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Read MoreSimulation of Damage Percolation Within Aluminum Alloy
The results of this experiment are used for both the development of a clustering-sensitive nucleation criterion and the validation of the damage percolation predictions. The evolution of damage in aluminum alloy AA5182 has been successfully predicted to match
Read MoreDamage characterization and damage percolation
Damage characterization and damage percolation modelling in aluminum alloy sheet Author links open overlay panel M.J Worswick 1 Z.T Chen 1 A.K Pilkey 2 D Lloyd 3 S Court 3 Show more ...
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This paper examines the application of damage models in tube bending and subsequent hydroforming of AlMg3.5Mn aluminum alloy tubes. An in-house Gurson-based damage model, incorporated within LS-DYNA, has been used for the simulations. The applied
Read MoreSimulation of damage percolation within aluminum alloy
Simulation of damage percolation within aluminum alloy sheet By OS Orlov, MJ Worswick, E Maire and DJ Lloyd Abstract International audienceno abstrac Topics: [SPI.MAT] Engineering Sciences [physics Publisher: American Society of Year: 2009 oai:HAL ...
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22 ème Congrès Français de Mécanique Lyon, 24 au 28 Août 2015 Numerical simulation of damage evolution and mechanical properties for ductile materials EL Amri Abdelouahid a, Issam hanafi b, Mounir El Yakhloufi haddou a, El ...
Read MoreDamage percolation during stretch flange forming of
In the current work, this approach is used to simulate a stretch flange forming process for an aluminum alloy sheet. The formability of the stretch flange samples is predicted based on the onset of profuse damage within the particle field and compared with the
Read MoreMulti-Scale FE/Damage Percolation Modeling of Ductile
Multi-Scale FE/Damage Percolation Modeling of Ductile Damage Evolution in Aluminum Sheet Forming 2004-01-0742 A so-called damage percolation model is coupled with Gurson-based finite element (FE) approach in order to accommodate the high strain gradients and localized ductile damage.
Read MoreNumerical simulation of incremental sheet forming
Request PDF Numerical simulation of incremental sheet forming based on GTN damage model ... -damage percolation model was employed to simulate stretch flange forming of aluminum
Read MoreSteve Cockcroft UBC Materials Engineering
Refereed Journal Publications Jianglan Duan, Carl Reilly, Daan M. Maijer, Steve L. Cockcroft, Andre B. Phillion , Development of an Optimization Methodology for the Aluminum Alloy Wheel Casting Process, Accepted for publication Metallurgical and Materials Transaction s B, March, 2015. ...
Read MoreInfluence of Blank Holding Force on Stretch Flange
Dewang and others published Influence of Blank Holding Force on Stretch Flange Forming of Aluminum Alloy Find ... FE results were then fed into the so-called damage percolation code, from which ...
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