OS1510-464 Shock Deformation and Fracture Characteristics of Expanded Low Carbon Steel Pipe with high strain rate

2015 ◽  
Vol 2015 (0) ◽  
pp. _OS1510-46-_OS1510-46
Author(s):  
Koichi IDA ◽  
Kazuhide TSUKIORI ◽  
Kazuhito FUJIWARA
Keyword(s):  
Carbon Steel ◽  
High Strain Rate ◽  
Strain Rate ◽  
High Strain ◽  
Low Carbon Steel ◽  
Steel Pipe ◽  
Low Carbon ◽  
Fracture Characteristics ◽  
Shock Deformation ◽  
Deformation And Fracture

Microstructural Evolution Deformed Heavily by High Strain Rate at High Temperature Range in Ultra Low Carbon Steel

2007 ◽  
Vol 558-559 ◽  
pp. 523-528
Author(s):  
Joo Hee Kang ◽  
Shiro Torizuka ◽  
Toshihiro Hanamura
Keyword(s):  
Grain Size ◽  
High Temperature ◽  
Carbon Steel ◽  
High Strain Rate ◽  
Strain Rate ◽  
Deformation Temperature ◽  
High Strain ◽  
Low Carbon Steel ◽  
Low Carbon ◽  
Ultra Low Carbon Steel

The microstructural change was observed during large strain high Z deformation with high strain rate in high temperature range using ultra low carbon steel. The finer grains were obtained as decreasing the deformation temperature and increasing the strain rate. And the fraction of high angle grain boundaries became higher in low deformation temperature and strong texture of ferrite recrystallized dynamically was measured such as ND//<100>,<111> and RD//<110>. The change of grain size could be analyzed by Zener-Hollomon parameter, whereas the duration has large effect on the deviation of expected grain size in deformation with high strain rate.

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