Effect of Aging Temperature and Time on Secondary Phase Precipitation and Texture in an Ultrafine Grained 2205 Duplex Stainless Steel after Cold Rolling

2021 ◽  
Vol 10 (1) ◽  
pp. 20200049
Author(s):  
Witor Wolf ◽  
Lóren Kelly de Paula Inácio ◽  
Dagoberto Brandão Santos
2015 ◽  
Vol 30 (3) ◽  
pp. 591-595 ◽  
Author(s):  
Heping Liu ◽  
Hu’er Sun ◽  
Bin Liu ◽  
Dazhao Li ◽  
Fenger Sun ◽  
...  

2014 ◽  
Vol 46 (2) ◽  
pp. 577-586 ◽  
Author(s):  
Marco Breda ◽  
Katya Brunelli ◽  
Francesco Grazzi ◽  
Antonella Scherillo ◽  
Irene Calliari

2013 ◽  
Vol 85 (5) ◽  
pp. 776-783 ◽  
Author(s):  
Sudipta Pramanik ◽  
Supriya Bera ◽  
Swarup Kumar Ghosh

2017 ◽  
Vol 889 ◽  
pp. 138-142 ◽  
Author(s):  
Amit Powar ◽  
Amol Gujar ◽  
Niketan Manthani ◽  
Vinayak Pawar ◽  
Rajkumar Singh

Duplex Stainless Steel (DSS) combines good mechanical strength and ductility with moderate to good corrosion resistance in a variety of environments. DSS are prone to the formation of various intermetallic phases (σ, χ, π, R), carbides (M23C6) and nitrides (Cr2N), when it exposed to temperatures lower than 1000°C. This study focuses on effect of secondary phase precipitation on impact toughness of ASTM A182 DSS. Cylindrical bar of DSS was open die forged in the temperature range of 1200-1050°C. After the forging, the bar was slow cooled by covering it with ceramic wool. This leads to the formation of σ phase at the ferrite/austenite interfaces and significantly reduced the impact toughness of the material. Solution treatment was done at different temperature and effect on toughness studied. The microstructural changes produced as consequences of the distinct test condition have been analyzed by means of optical and electron microscopy, X-ray diffraction.


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