Internal stress in the Al extrusion

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SUMMARY

The discussion focuses on the internal stress developed during the extrusion of aluminum alloys, specifically highlighting the influence of alloy composition and extrusion temperature. It is established that aluminum alloys that have undergone significant Ostwald ripening exhibit lower stress during extrusion. Additionally, higher extrusion temperatures are confirmed to reduce internal stress levels in the material.

PREREQUISITES
  • Understanding of aluminum alloy properties
  • Knowledge of Ostwald ripening in metallurgy
  • Familiarity with extrusion processes
  • Basic principles of work hardening
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  • Research the effects of Ostwald ripening on aluminum alloys
  • Explore the relationship between extrusion temperature and internal stress
  • Learn about different aluminum alloy compositions and their mechanical properties
  • Investigate techniques to minimize work hardening during extrusion
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Metallurgists, materials engineers, and manufacturing professionals involved in aluminum extrusion processes and alloy development.

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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