919 A Phase-field Simulation for Static Recrystallization Considering Nucleation and Nucleus Growth Due to Orientation Change of Subgrains

2011 ◽  
Vol 2011.24 (0) ◽  
pp. 321-323
Author(s):  
Mayu MURAMATSU ◽  
Kazuyuki SHIZAWA
2011 ◽  
Vol 46 (10) ◽  
pp. 1161-1172 ◽  
Author(s):  
Yingjun GAO ◽  
Zhirong LUO ◽  
Xiangying HU ◽  
Chuanggao HUANG

2006 ◽  
Vol 2006.19 (0) ◽  
pp. 361-362
Author(s):  
Hideyasu AJIOKA ◽  
Yoshiteru AOYAGI ◽  
Yuichi TADANO ◽  
Kazuyuki SHIZAWA

2010 ◽  
Vol 59 (11) ◽  
pp. 853-860
Author(s):  
Mayu MURAMATSU ◽  
Hideyasu AJIOKA ◽  
Yoshiteru AOYAGI ◽  
Yuichi TADANO ◽  
Kazuyuki SHIZAWA

2008 ◽  
Vol 584-586 ◽  
pp. 1045-1050 ◽  
Author(s):  
Mayu Muramatsu ◽  
Yuichi Tadano ◽  
Kazuyuki Shizawa

A new recrystallization phase-field method is proposed, in which the three stages of recrystallization phenomena, i.e., recovery, nucleation and nucleus growth are sequentially taken into account in a computation. From the information of subgrain patterns and crystal orientations in a polycrystal that are obtained by a dislocation-crystal plasticity FE analysis based on a reaction-diffusion model, subgrain groups surrounded by high angle boundary are found out. Next, subgrains in the group are coalesced into a nucleus by rotation of crystal orientation and migration of subgrain boundaries through a phase-field simulation. Then a computation of nucleus growth is performed also using the phase-field method on account of an autonomic incubation period of nucleation, in which stored dislocation energy assumes a role of driving force. It is shown that the present method can numerically reproduce the three stages of recrystallization as a sequence of computational procedure.


Sign in / Sign up

Export Citation Format

Share Document