scholarly journals Microband-Induced Plasticity in a Nb Content Fe–28Mn–10Al–C Low Density Steel

Metals ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 345
Author(s):  
Tao Ma ◽  
Jianxin Gao ◽  
Huirong Li ◽  
Changqing Li ◽  
Haichao Zhang ◽  
...  
Keyword(s):  
Room Temperature ◽  
Strengthening Mechanism ◽  
Stacking Fault ◽  
Tensile Behavior ◽  
Stacking Fault Energy ◽  
Deformation Mechanisms ◽  
Low Density ◽  
Softening Effect ◽  
Nb Content ◽  
Strength And Ductility

Novel Fe–28Mn–10Al–C–0.5Nb low-density steel was developed and the room temperature tensile behavior in the solid solution state and the microstructure evolution process during plastic deformation were studied, aiming to clarify the dominant deformation mechanisms. The results show that the developed steel was fully austenitic with a low density of 6.63 g/cm3 and fairly high stacking fault energy of 84 MJ/m2. The present fully austenitic Fe–28Mn–10Al–C–0.5Nb low-density steel exhibited an excellent ultimate tensile strength of 1084 MPa and elongation of 37.5%; in addition, the steel exhibited an excellent combination of strength and ductility (i.e., the product of strength and ductility (PSE) could reach as high as 40.65 GPa%). In spite of the high stacking fault energy, deformed microstructures exhibited planar glide characteristics, seemingly due to the glide plane softening effect. The excellent combination of strength and ductility is attributed to plasticity induced by microbands and leads to the continuous strain hardening during deformation at room temperature. Moreover, the addition of Nb does not change the deformation mechanism and strengthening mechanism of Fe–Mn–Al–C low-density steel, and can optimize the mechanical properties of the steel.

Effect of stacking fault energy on deformation mechanisms in Cu and Cu-30% Zn alloy with gradient structure obtained by SMAT

2021 ◽  
Vol 865 ◽  
pp. 158863
Author(s):  
Xiaomin Liu ◽  
Masashi Nakatani ◽  
Hongliang Gao ◽  
Bhupendra Sharma ◽  
Hongjiang Pan ◽  
...  
Keyword(s):  
Stacking Fault ◽  
Stacking Fault Energy ◽  
Deformation Mechanisms ◽  
Gradient Structure ◽  
Zn Alloy

Influence of Carbon on the Stacking Fault Energy and Deformation Mechanics of Fe-Mn-C System Alloys

2015 ◽  
Vol 710 ◽  
pp. 9-14 ◽  
Author(s):  
Yong Juan Dai ◽  
Bo Li ◽  
Hao En Ma ◽  
Chi Zhang
Keyword(s):  
Carbon Content ◽  
Carbon Concentration ◽  
Stacking Fault ◽  
Stacking Fault Energy ◽  
Deformation Mechanisms ◽  
Trip Effect ◽  
Concentration Increase ◽  
Transformation Induced Plasticity ◽  
Deformation Mechanics

Fe-Mn-C alloys with different carbon content were investigated. It was found that carbon element effected the SFE of the Fe-Mn-C alloys seriously, SFE increases with increase of carbon concentration. Fe-Mn-C alloys' deformation mechanisms, with SFE increase from 9.04 mJ.m-2to 39.99 mJ.m-2, turn transformation-induced plasticity (TRIP) effect into twinning-induced plasticity (TWIP) effect with carbon concentration increase from 0.16% to 0.98%.

Unique Features of Ultrafine-Grained Microstructures in Materials Having Low Stacking Fault Energy

2010 ◽  
Vol 659 ◽  
pp. 171-176 ◽  
Author(s):  
Jenő Gubicza ◽  
Nguyen Q. Chinh ◽  
János L. Lábár ◽  
Zoltán Hegedűs ◽  
Terence G. Langdon
Keyword(s):  
Equal Channel Angular Pressing ◽  
Room Temperature ◽  
Strong Dependence ◽  
Stacking Fault ◽  
Stacking Fault Energy ◽  
Controlled Processes ◽  
Angular Pressing ◽  
Ultrafine Grained ◽  
Number Of Passes

The evolution of the microstructure during processing by equal-channel angular pressing (ECAP) in silver having extremely low stacking fault energy was studied up to 16 passes. It was shown that at high strains the contribution of twinning to deformation increased at the expense of dislocation-controlled processes. It was also found that during storage at room temperature (i.e. at the temperature of ECAP) there was a self-annealing of the severely deformed microstructure after 1 month and its degree was revealed to have a strong dependence on the number of passes.

Simultaneously enhanced strength and ductility of Cu–xGe alloys through manipulating the stacking fault energy (SFE)

2013 ◽  
Vol 569 ◽  
pp. 144-149 ◽  
Author(s):  
Y.L. Gong ◽  
C.E. Wen ◽  
Y.C. Li ◽  
X.X. Wu ◽  
L.P. Cheng ◽  
...  
Keyword(s):  
Stacking Fault ◽  
Stacking Fault Energy ◽  
Strength And Ductility

scholarly journals The Influence of Stacking Fault Energy on the Temperature Dependent Deformation Mechanisms in High Mn-N Austenitic Stainless Steel

2009 ◽  
Vol 15 (S2) ◽  
pp. 1070-1071
Author(s):  
JE Wittig ◽  
JA Jiménez ◽  
G Frommeyer
Keyword(s):  
Stainless Steel ◽  
Austenitic Stainless Steel ◽  
Stacking Fault ◽  
Stacking Fault Energy ◽  
Deformation Mechanisms ◽  
Temperature Dependent

Extended abstract of a paper presented at Microscopy and Microanalysis 2009 in Richmond, Virginia, USA, July 26 – July 30, 2009

scholarly journals Temperature Effect on Stacking Fault Energy and Deformation Mechanisms in Titanium and Titanium-aluminium Alloy

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Beikai Zhao ◽  
Peng Huang ◽  
Libo Zhang ◽  
Suzhi Li ◽  
Ze Zhang ◽  
...  
Keyword(s):  
Temperature Effect ◽  
Aluminium Alloy ◽  
Stacking Fault ◽  
Stacking Fault Energy ◽  
Deformation Mechanisms ◽  
Titanium Aluminium

The Influence of Stacking-Fault Energy on Deformation Mechanisms in an Fe-Mn-Al-Si Austenitic TRIP/TWIP Steel

2012 ◽  
Vol 18 (S2) ◽  
pp. 1894-1895 ◽  
Author(s):  
D. Pierce ◽  
J.E. Wittig ◽  
J. Bentley ◽  
J.A. Jimenez
Keyword(s):  
Twip Steel ◽  
Stacking Fault ◽  
Stacking Fault Energy ◽  
Deformation Mechanisms

Extended abstract of a paper presented at Microscopy and Microanalysis 2012 in Phoenix, Arizona, USA, July 29 – August 2, 2012.

Simultaneous Improvement of Ductility and Strength by Minute Doping in Ultrafine Grained Au Wires-Experiment and First Principle Study

2008 ◽  
Vol 1086 ◽  
Author(s):  
Yeong Huey Effie Chew ◽  
Chee Cheong Wong ◽  
Cristiano Ferraris ◽  
Hui Hui Kim
Keyword(s):  
High Strength ◽  
Stacking Fault ◽  
Stacking Fault Energy ◽  
First Principle ◽  
Fine Grained ◽  
Preferential Segregation ◽  
Ultrafine Grained ◽  
Calcium Doping ◽  
Gold Wires ◽  
Strength And Ductility

AbstractAchieving both high strength and ductility is a common goal in the design of fine-grained materials. Here we report that with only ppm level of calcium doping, ductility and strength in ultrafine-grained gold wires can be concurrently improved by 108% and 65% respectively. Preferential segregation of calcium to stacking faults and grain boundaries in gold has reduced stacking fault energy of the system effectively, as shown by TEM and first principle simulation study. Through the modification of stacking fault energy, one can simultaneously increases the strength and ductility of a system.

Plastic deformation mechanisms in face-centered cubic materials with low stacking fault energy

2016 ◽  
Vol 676 ◽  
pp. 241-245 ◽  
Author(s):  
Y.Z. Cao ◽  
X.S. Zhao ◽  
W.D. Tu ◽  
Y.D. Yan ◽  
F.L. Yu
Keyword(s):  
Plastic Deformation ◽  
Stacking Fault ◽  
Stacking Fault Energy ◽  
Deformation Mechanisms ◽  
Face Centered Cubic ◽  
Cubic Materials ◽  
Face Centered

Effect of stacking fault energy on strength and ductility of nanostructured alloys: An evaluation with minimum solution hardening

2009 ◽  
Vol 525 (1-2) ◽  
pp. 83-86 ◽  
Author(s):  
Pei-Ling Sun ◽  
Y.H. Zhao ◽  
J.C. Cooley ◽  
M.E. Kassner ◽  
Z. Horita ◽  
...  
Keyword(s):  
Stacking Fault ◽  
Stacking Fault Energy ◽  
Solution Hardening ◽  
Nanostructured Alloys ◽  
Minimum Solution ◽  
Strength And Ductility
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