Microstructure and Mechanical Properties of V-Nb Microalloyed Ultrafine-Grained Dual-Phase Steels Processed Through Severe Cold Rolling and Intercritical Annealing

2016 ◽  
Vol 48 (3) ◽  
pp. 1176-1188 ◽  
Author(s):  
M. Papa Rao ◽  
V. Subramanya Sarma ◽  
S. Sankaran
Keyword(s):  
Mechanical Properties ◽  
Cold Rolling ◽  
Intercritical Annealing ◽  
Dual Phase ◽  
Dual Phase Steels ◽  
Microstructure And Mechanical Properties ◽  
Ultrafine Grained

The effect of Nb on texture evolutions of the ultrafine-grained dual-phase steels fabricated by cold rolling and intercritical annealing

2017 ◽  
Vol 694 ◽  
pp. 1026-1035 ◽  
Author(s):  
A. Ghatei Kalashami ◽  
A. Kermanpur ◽  
E. Ghassemali ◽  
A. Najafizadeh ◽  
Y. Mazaheri
Keyword(s):  
Cold Rolling ◽  
Intercritical Annealing ◽  
Dual Phase ◽  
Dual Phase Steels ◽  
Ultrafine Grained

scholarly journals Effect of Silicon Content on the Microstructure and Mechanical Properties of Dual-Phase Steels

2012 ◽  
Vol 1 (5) ◽  
pp. 217-223 ◽  
Author(s):  
J. Drumond ◽  
O. Girina ◽  
J. F. da Silva Filho ◽  
N. Fonstein ◽  
C. A. Silva de Oliveira
Keyword(s):  
Mechanical Properties ◽  
Silicon Content ◽  
Dual Phase ◽  
Dual Phase Steels ◽  
Microstructure And Mechanical Properties

Ultrafine Grained Dual Phase Steels Fabricated by Equal Channel Angular Pressing

2006 ◽  
Vol 503-504 ◽  
pp. 447-454 ◽  
Author(s):  
Dong Hyuk Shin ◽  
Woo Gyeom Kim ◽  
Jung Yong Ahn ◽  
Kyung Tae Park ◽  
Yong Suk Kim
Keyword(s):  
Strain Hardening ◽  
Equal Channel Angular Pressing ◽  
Room Temperature ◽  
Intercritical Annealing ◽  
Total Elongation ◽  
Coarse Grained ◽  
Dual Phase ◽  
Dual Phase Steels ◽  
Angular Pressing ◽  
Ultrafine Grained

Ultrafine grained (UFG) ferrite-martensite dual phase steels were fabricated by equal channel angular pressing and subsequent intercritical annealing. Their room temperature tensile properties were examined and compared to those of coarse grained counterpart. The formation of UFG martensite islands of ~ 1 μm was not confined to the former pearlite colonies but they were uniformly distributed throughout UFG matrix. The strength of UFG dual phase steels was much higher than that of coarse grained counterpart but uniform and total elongation were not degraded. More importantly, unlike most UFG metals showing negligible strain hardening, the present UFG dual phase steels exhibited extensive rapid strain hardening.

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