Title: Numerical Simulation of Tube-expanding Extrusion Process of Magnesium Alloy
Abstract:The tube-expanding extrusion forming process of AZ31 magnesium alloy tube was numerically simulated by DEFORM-3D software.The influences of different temperatures and die angles on the extrusion force...The tube-expanding extrusion forming process of AZ31 magnesium alloy tube was numerically simulated by DEFORM-3D software.The influences of different temperatures and die angles on the extrusion force were analyzed.The results show that,the higher the temperature is,the smaller the extrusion force is.Under the given process parameters,the optimal die angle is obtained,making the extrusion force minimum.The extrusion force from numerical simulation can provide evidence for selecting the extrusion equipment.Choosing the suitable extrusion temperature and the optimal die angle,the extrusion simulation was carried out.The laws of extrusion process were obtained,including the effective stress field,the effective strain field,etc.It is found that the stress and strain value is biggest at the internal and external rounded corners of the die.The reason was analyzed,which provide reference for the optimization design of die.Read More
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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Cited By Count: 1
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