Finite Element Simulation of Multi-Pass Equal Channel Angular Pressing

2003 ◽  
Vol 414-415 ◽  
pp. 439-444 ◽  
Author(s):  
György Krállics ◽  
Zoltán Széles ◽  
Dmitry Malgyn
Keyword(s):  
Finite Element ◽  
Finite Element Simulation ◽  
Equal Channel Angular Pressing ◽  
Angular Pressing ◽  
Element Simulation

Finite Element Simulation of the Effects of Mould Angle on the Equal Channel Angular Pressing for Al-Zn-Mg-Cu Alloy

2010 ◽  
Vol 97-101 ◽  
pp. 3075-3078
Author(s):  
Gang Yi Cai ◽  
Xiao Xia Liu
Keyword(s):  
Finite Element ◽  
Aluminum Alloy ◽  
Finite Element Simulation ◽  
Equal Channel Angular Pressing ◽  
Effective Strain ◽  
Large Angle ◽  
Maximum Load ◽  
Angular Pressing ◽  
Steady Stage ◽  
Element Simulation

Finite element simulation of the effects of mould angle on the equal channel angular pressing (ECAP) for Al-Zn-Mg-Cu aluminum alloy was investigated by using DEFORM-3D program. The results show that the work load ascended with the increasing of the mould angle and was divided into five stages including rapid increasing stage, steady stage, rapid increasing stage, steady stage and rapid drop stage. When the angle decreased from 150° to 90°, the maximum load increased by 2.87 times and the energy consuming increased by 2.36 times. In addition, with the decreasing of mould angle, the average effective strain increased after single extrusion, while the degree of effective strain uniformity of the sample decreased. There were greater strain grads between inner and surface part. As mentioned above, large angle mould should be adopted on ECAP for Al-Zn-Mg-Cu aluminum alloy in order to ensure extrusion smoothly and attain homogeneous fine grain.

Design of RT Equal Channel Angular Pressing Pure Titanium Workpiece by Finite Element Simulation

2015 ◽  
Vol 44 (5) ◽  
pp. 1082-1087 ◽  
Author(s):  
Wang Xiaomei ◽  
Chen Yinjia ◽  
Han Qichen ◽  
Chen Aiying ◽  
Li Xiang ◽  
...  
Keyword(s):  
Finite Element ◽  
Finite Element Simulation ◽  
Equal Channel Angular Pressing ◽  
Pure Titanium ◽  
Angular Pressing ◽  
Element Simulation

Numerical Simulation of Microstructure Evolution in AZ31 Magnesium Alloy during Equal Channel Angular Pressing

2014 ◽  
Vol 609-610 ◽  
pp. 495-499
Author(s):  
Guo Cheng Ren ◽  
Xiao Juan Lin ◽  
Shu Bo Xu
Keyword(s):  
Finite Element ◽  
Magnesium Alloy ◽  
Equal Channel Angular Pressing ◽  
Microstructure Evolution ◽  
Element Model ◽  
Az31 Magnesium Alloy ◽  
Angular Pressing ◽  
Ecap Process ◽  
Element Simulation ◽  
3D Software

The microstructure and material properties of AZ31 magnesium alloy are very sensitive to process parameters, which directly determine the service properties. To explore and understand the deformation behavior and the optimization of the deformation process, the microstructure evolution during equal channel angular pressing was predicted by using the DEFORM-3D software package at different temperature. To verify the finite element simulation results, the microstructure across the transverse direction of the billet was measured. The results show that the effects strain and deformation temperatures on the microstructure evolution of AZ31 magnesium during ECAP process are significant, and a good agreement between the predicted and experimental results was obtained, which confirmed that the derived dynamic recrystallization mathematical models can be successfully incorporated into the finite element model to predict the microstructure evolution of ECAP process for AZ31 magnesium.

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