Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 818, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2021.141406
Keywords
Al-Li alloy; Extrusion process parameters; Texture; Microstructure; Mechanical property
Categories
Funding
- National Natural Science Foundation of China [51735008]
- Shandong Province Major Scientific and Technological Innovation Project, China [2019TSLH0102]
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The study conducted several extrusion experiments on 2195 Al-Li alloy to investigate the effects of extrusion parameters on microstructure, texture, and mechanical properties. The results showed that the formation of cylindrical fiber grains and strong fiber textures improved the longitudinal strength of the profile.
To study the effects of extrusion parameters on the microstructure, texture, and mechanical property of 2195 Al-Li alloy, several extrusion experiments were carried out at different extrusion temperatures and speeds. A profile with different aspect ratios was designed, and the corresponding extrusion die was also designed and manufactured. The effects of aspect ratio, extrusion temperature, and speed on the microstructure and mechanical properties were investigated. The results show that cylindrical fiber grains and strong fiber textures of 111 100 211 311 311 311 , which improves the transverse strength of the profile and reduces the anisotropy.
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