Dynamic recrystallization behaviors of high Mg alloyed Al-Mg alloy during high strain rate rolling deformation

2019 ◽  
Vol 753 ◽  
pp. 59-69 ◽  
Author(s):  
Xinyu Li ◽  
Weijun Xia ◽  
Hongge Yan ◽  
Jihua Chen ◽  
Bin Su ◽  
...  
Keyword(s):  
Dynamic Recrystallization ◽  
High Strain Rate ◽  
Strain Rate ◽  
High Strain ◽  
Mg Alloy ◽  
High Strain Rate Rolling ◽  
Rolling Deformation

Effect of twinning and dynamic recrystallization on the high strain rate rolling process

2010 ◽  
Vol 63 (10) ◽  
pp. 985-988 ◽  
Author(s):  
S.Q. Zhu ◽  
H.G. Yan ◽  
J.H. Chen ◽  
Y.Z. Wu ◽  
J.Z. Liu ◽  
...  
Keyword(s):  
Dynamic Recrystallization ◽  
High Strain Rate ◽  
Strain Rate ◽  
High Strain ◽  
Rolling Process ◽  
High Strain Rate Rolling

scholarly journals Dynamic Recrystallization During High-Strain-Rate Tension of Copper

2016 ◽  
Vol 47 (6) ◽  
pp. 2555-2559 ◽  
Author(s):  
Nooshin Mortazavi ◽  
Nicola Bonora ◽  
Andrew Ruggiero ◽  
Magnus Hörnqvist Colliander
Keyword(s):  
Dynamic Recrystallization ◽  
High Strain Rate ◽  
Strain Rate ◽  
High Strain

scholarly journals Study of the Dynamic Recrystallization Process of the Inconel625 Alloy at a High Strain Rate

Materials ◽  
2019 ◽  
Vol 12 (3) ◽  
pp. 510 ◽  
Author(s):  
Zhi Jia ◽  
Zexi Gao ◽  
Jinjin Ji ◽  
Dexue Liu ◽  
Tingbiao Guo ◽  
...  
Keyword(s):  
Dynamic Recrystallization ◽  
High Strain Rate ◽  
Strain Rate ◽  
High Strain ◽  
Volume Fraction ◽  
Electron Backscatter Diffraction ◽  
Texture Evolution ◽  
True Strain ◽  
Recrystallization Process ◽  
Compression Process

High-temperature compression and electron backscatter diffraction (EBSD) techniques were used in a systematic investigation of the dynamic recrystallization (DRX) behavior and texture evolution of the Inconel625 alloy. The true stress–true strain curves and the constitutive equation of Inconel625 were obtained at temperatures ranging from 900 to 1200 °C and strain rates of 10, 1, 0.1, and 0.01 s−1. The adiabatic heating effect was observed during the hot compression process. At a high strain rate, as the temperature increased, the grains initially refined and then grew, and the proportion of high-angle grain boundaries increased. The volume fraction of the dynamic recrystallization increased. Most of the grains were randomly distributed and the proportion of recrystallized texture components first increased and then decreased. Complete dynamic recrystallization occurred at 1100 °C, where the recrystallized volume fraction and the random distribution ratios of grains reached a maximum. This study indicated that the dynamic recrystallization mechanism of the Inconel625 alloy at a high strain rate included continuous dynamic recrystallization with subgrain merging and rotation, and discontinuous dynamic recrystallization with bulging grain boundary induced by twinning. The latter mechanism was less dominant.

High Strain Rate Blow Formability of Newly Developed Al-Mg-High-Mn Alloy

2012 ◽  
Vol 735 ◽  
pp. 271-277 ◽  
Author(s):  
Tomoyuki Kudo ◽  
Akira Goto ◽  
Kazuya Saito
Keyword(s):  
Grain Size ◽  
High Strain Rate ◽  
Strain Rate ◽  
Mass Production ◽  
High Strain ◽  
Mg Alloy ◽  
Strain Rates ◽  
Fine Grain ◽  
Aa5083 Alloy ◽  
Complex Parts

Blow forming accompanied with superplasticity makes possible the forming of complex parts, which cannot be formed by cold press forming. The conventional superplastic AA5083 alloy ‘ALNOVI-1’ developed by the Furukawa-Sky Aluminum Corp. shows high superplasticity because of its fine grain and is widely used for blow forming. However, for mass production of components, an Al-Mg alloy with finer-sized grains is needed. In this research, the newly developed high Mn version of the Al-Mg alloy ‘ALNOVI-U’ is used, and this material possesses grains finer than those of the conventional AA5083 alloy. The effects of finer grain size on the blow formability at high strain rates over 10-2/s and the properties of the resulting moldings were studied.

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