Microstructural evolution and phase transformation in twinning-induced plasticity steel induced by high-pressure torsion

2016 ◽  
Vol 109 ◽  
pp. 300-313 ◽  
Author(s):  
X.H. An ◽  
Q.Y. Lin ◽  
G. Sha ◽  
M.X. Huang ◽  
S.P. Ringer ◽  
...  
Keyword(s):  
High Pressure ◽  
Phase Transformation ◽  
Microstructural Evolution ◽  
High Pressure Torsion

Magnetic Characterization of SUS316L Deformed by High Pressure Torsion

2011 ◽  
Vol 239-242 ◽  
pp. 1300-1303
Author(s):  
Hong Cai Wang ◽  
Minoru Umemoto ◽  
Innocent Shuro ◽  
Yoshikazu Todaka ◽  
Ho Hung Kuo
Keyword(s):  
Plastic Deformation ◽  
High Pressure ◽  
Stainless Steel ◽  
Phase Transformation ◽  
Austenitic Stainless Steel ◽  
Volume Fraction ◽  
High Pressure Torsion ◽  
Austenitic Matrix ◽  
Magnetic Characterization

SUS316L austenitic stainless steel was subjected to severe plastic deformation (SPD) by the method of high pressure torsion (HPT). From a fully austenitic matrix (γ), HPT resulted in phase transformation from g®a¢. The largest volume fraction of 70% a¢ was obtained at 0.2 revolutions per minute (rpm) while was limited to 3% at 5rpm. Pre-straining of g by HPT at 5rpm decreases the volume fraction of a¢ obtained by HPT at 0.2rpm. By HPT at 5rpm, a¢®g reverse transformation was observed for a¢ produced by HPT at 0.2rpm.

scholarly journals Effect of temperature rise on microstructural evolution during high-pressure torsion

2018 ◽  
Vol 714 ◽  
pp. 167-171 ◽  
Author(s):  
Kaveh Edalati ◽  
Yuki Hashiguchi ◽  
Pedro Henrique R. Pereira ◽  
Zenji Horita ◽  
Terence G. Langdon
Keyword(s):  
High Pressure ◽  
Microstructural Evolution ◽  
Temperature Rise ◽  
High Pressure Torsion ◽  
Effect Of Temperature

Microstructural evolution and microhardness variations in a Cu–36Zn–2Pb alloy processed by high-pressure torsion

2014 ◽  
Vol 50 (4) ◽  
pp. 1535-1543 ◽  
Author(s):  
Hong Yan Zhang ◽  
Chuan Ting Wang ◽  
Ying Chun Wang ◽  
Shu Kui Li ◽  
Hong Zou ◽  
...  
Keyword(s):  
High Pressure ◽  
Microstructural Evolution ◽  
High Pressure Torsion

Graphite to diamond-like carbon phase transformation by high-pressure torsion

2013 ◽  
Vol 103 (3) ◽  
pp. 034108 ◽  
Author(s):  
Kaveh Edalati ◽  
Takeshi Daio ◽  
Yoshifumi Ikoma ◽  
Makoto Arita ◽  
Zenji Horita
Keyword(s):  
High Pressure ◽  
Phase Transformation ◽  
High Pressure Torsion ◽  
Diamond Like Carbon ◽  
Carbon Phase

Phase Transformation and Annealing Behavior of SUS 304 Austenitic Stainless Steel Deformed by High Pressure Torsion

2010 ◽  
Vol 654-656 ◽  
pp. 334-337 ◽  
Author(s):  
Innocent Shuro ◽  
Minoru Umemoto ◽  
Yoshikazu Todaka ◽  
Seiji Yokoyama
Keyword(s):  
High Pressure ◽  
Stainless Steel ◽  
Phase Transformation ◽  
Austenitic Stainless Steel ◽  
Volume Fraction ◽  
High Pressure Torsion ◽  
Two Phase ◽  
Annealing Behavior ◽  
304 Austenitic Stainless Steel ◽  
Deformed State

SUS 304 austenitic stainless steel was subjected to severe plastic deformation (SPD) by the method of high pressure torsion (HPT). From a fully austenitic matrix (γ), HPT resulted in phase transformation to give a two phase structure of austenite (γ) and martensite (α') by the transformation γα'. The phase transformation was accompanied by an increase in hardness (Hv) from 1.6 GPa in the as annealed form to 5.4 GPa in the deformed state. Subsequent annealing in temperature range 250oC to 450oC resulted in an increase in both α' volume fraction and hardness (6.4 GPa). Annealing at 600oC resulted in a decrease in α' volume fraction hardness.

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