Details

Autor(en) / Beteiligte

• Jin, Jun-song
• Wang, Xin-yun
• Hu, H. E.
• Xia, Ju-chen

Titel

High-temperature deformation behavior and processing map of 7050 aluminum alloy re]20101008

Ist Teil von

• Metals and materials international, 2012-02, Vol.18 (1), p.69-75

Ort / Verlag

Dordrecht: Springer Netherlands

Erscheinungsjahr

2012

Link zum Volltext

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• The high-temperature deformation behavior and processing map of 7050 aluminum alloy were investigated by tensile tests conducted at various temperatures (340, 380, 420, and 460 °C) with various strain rates of 10 −4 , 10 −3 , 10 −2 , and 0.1 s −1 . The results show that the instability region with a peak power dissipation efficiency of 100 % occurs at the low deformation temperature region of 340 °C to 380 °C and high strain rates (>10 −3 s −1 ). The 7050 aluminum alloy exhibited a continuous dynamic recrystallization domain with power dissipation efficiency of 35% to 60 % in the deformation temperature range of 410 °C to 460 °C and the strain rate range of 10 −4 –10 −3 s −1 . The domain with a power dissipation efficiency of 35 % to 50 % occurring at high deformation temperatures and strain rates was interpreted to represent dynamic recovery. Dynamic recovery and continuous dynamic recrystallization provide chosen domains for excellent hot workability.