Effects of Rolling Temperature on the Microstructure and Mechanical Properties in an Ultrafine‐Grained Low‐Carbon Steel

2018 ◽  
Vol 90 (2) ◽  
pp. 1800318 ◽  
Author(s):  
Qing Yuan ◽  
Guang Xu ◽  
Man Liu ◽  
Haijiang Hu ◽  
Junyu Tian
Keyword(s):  
Mechanical Properties ◽  
Carbon Steel ◽  
Low Carbon Steel ◽  
Rolling Temperature ◽  
Low Carbon ◽  
Microstructure And Mechanical Properties ◽  
Ultrafine Grained

Effect of Rolling Reduction on Microstructure and Mechanical Properties of Plain Low Carbon Steel

2016 ◽  
Vol 701 ◽  
pp. 187-194
Author(s):  
Phoumiphon Nordala ◽  
Radzali Othman ◽  
Ahmad Badri Ismail
Keyword(s):  
Mechanical Properties ◽  
Carbon Steel ◽  
Cold Rolling ◽  
Uniform Elongation ◽  
Rolling Direction ◽  
Low Carbon Steel ◽  
Rolling Reduction ◽  
Low Carbon ◽  
Microstructure And Mechanical Properties ◽  
Ultrafine Grained

In the present study, the effect of cold-rolling for the amount of reduction in thickness ranging from 25% to 75% on microstructure and mechanical properties of plain low carbon steel processed from dual-phase ferrite-martensite starting microstructure was studied. As the cold-rolling, the microstructure elongated to rolling direction and more compressed with increasing the rolling reduction and strength also increased. After annealing at warm temperature 500°C, the ultrafine grained was obtained in the 75% rolling reduction. Moreover, it was exhibited excellent strength of 82% and hardness of 66.1% higher than as-received condition with adequate uniform elongation 9.6%.

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