Constitutive modeling for dynamic recrystallization kinetics of Mg–4Zn–2Al–2Sn alloy

2018 ◽  
Vol 28 (2) ◽  
pp. 340-347 ◽  
Author(s):  
Dong-qing ZHAO ◽  
Yuan-sheng YANG ◽  
Ji-xue ZHOU ◽  
Yu LIU ◽  
Shou-qiu TANG
Keyword(s):  
Dynamic Recrystallization ◽  
Constitutive Modeling ◽  
Recrystallization Kinetics ◽  
Kinetics Of

Recrystallization of 304SS during and after High Strain Rate Deformation

2013 ◽  
Vol 753 ◽  
pp. 403-406
Author(s):  
Adam S. Taylor ◽  
Peter D. Hodgson
Keyword(s):  
Dynamic Recrystallization ◽  
Strain Rate ◽  
Austenitic Stainless Steels ◽  
Avrami Equation ◽  
Recrystallization Process ◽  
Hollomon Parameter ◽  
Softening Mechanism ◽  
Recrystallization Kinetics ◽  
Kinetics Of ◽  
Shape Changes

During the hot working of austenitic stainless steels the shape of the flow curve is strongly influenced by the strain rate. Low strain rate deformation results in flow curves typical of dynamic recrystallization (DRX) but as the strain rate increases the shape changes to a ‘flat-top’ curve. This has traditionally been thought to indicate no DRX is taking place and that dynamic recovery (DRV) is the only operating softening mechanism. Examining the work-hardening behaviour and corresponding deformation microstructures showed this is not the case for austenitic stainless steel, as clear evidence of dynamic recrystallization process can be seen. The post-deformation recrystallization kinetics can be modelled using a standard Avrami equation with an Avrami exponent, n, of 1.15. With an increasing value of the Zener-Hollomon parameter it was found that the kinetics of recrystallization become less strain rate sensitive until at the highest values (highest strain rates/lowest temperatures) the recrystallization kinetics become strain rate insensitive.

Research on the dynamic recrystallization kinetics of Aermet100 steel

2010 ◽  
Vol 527 (9) ◽  
pp. 2350-2355 ◽  
Author(s):  
Guoliang Ji ◽  
Fuguo Li ◽  
Qinghua Li ◽  
Huiqu Li ◽  
Zhi Li
Keyword(s):  
Dynamic Recrystallization ◽  
Recrystallization Kinetics ◽  
Kinetics Of

Dynamic recrystallization kinetics of 42CrMo steel during compression at different temperatures and strain rates

2011 ◽  
Vol 528 (13-14) ◽  
pp. 4643-4651 ◽  
Author(s):  
Guo-Zheng Quan ◽  
Gui-Sheng Li ◽  
Tao Chen ◽  
Yi-Xin Wang ◽  
Yan-Wei Zhang ◽  
...  
Keyword(s):  
Dynamic Recrystallization ◽  
Strain Rates ◽  
Recrystallization Kinetics ◽  
42Crmo Steel ◽  
Different Temperatures ◽  
Kinetics Of
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