Internal stress in the Al extrusion

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The discussion focuses on the stress experienced during the extrusion of aluminum alloys, emphasizing that certain alloys can minimize stress levels. It highlights that alloys subjected to significant Ostwald ripening may exhibit reduced stress during the extrusion process. Additionally, the temperature of extrusion plays a critical role; higher temperatures generally result in lower stress levels. The concept of work hardening is also mentioned, suggesting that it may influence the stress characteristics of different aluminum alloys during extrusion.
XiangYan
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Can anybody tell the stress developed during extrusion of Al Alloy. More importantly, is there a type of Al alloy that prefer least amount of stress.
 
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work hardening I would think. Prefer the least amount of stress...I think it would be an aluminium that has undergone significant Ostwald ripening.
 
It will also depend on the temperature of extrusion. Higher temperature - less stress.
 

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