Analysis of the temperature dependence of strain-hardening behavior in high- strength steel

1989 ◽  
Vol 20 (12) ◽  
pp. 2819-2829 ◽  
Author(s):  
N. S. Mishra ◽  
Sanak Mishra ◽  
V. Ramaswamy
Keyword(s):  
Temperature Dependence ◽  
Strain Hardening ◽  
High Strength Steel ◽  
High Strength ◽  
Hardening Behavior ◽  
Strain Hardening Behavior

Strain Hardening Behavior Prediction Model For Automotive High Strength Multiphase Steels

2015 ◽  
Vol 86 (12) ◽  
pp. 1574-1582 ◽  
Author(s):  
Antonella Dimatteo ◽  
Valentina Colla ◽  
Gianfranco Lovicu ◽  
Renzo Valentini
Keyword(s):  
Prediction Model ◽  
Strain Hardening ◽  
High Strength ◽  
Behavior Prediction ◽  
Hardening Behavior ◽  
Strain Hardening Behavior ◽  
Multiphase Steels

Influence of Various Precipitate Phases on Tensile Properties of an Extruded Mg-Y-Nd Alloy

2014 ◽  
Vol 788 ◽  
pp. 17-22 ◽  
Author(s):  
Bo Song ◽  
Ren Long Xin ◽  
Gang Chen ◽  
Ke Zeng ◽  
Guang Jie Huang ◽  
...  
Keyword(s):  
Yield Strength ◽  
Strain Hardening ◽  
Tensile Properties ◽  
Precipitation Hardening ◽  
High Strength ◽  
Age Hardening ◽  
Hardening Behavior ◽  
Initial Stage ◽  
Strain Hardening Behavior ◽  
Strain Hardening Rate

The high strength of Mg-Y-Nd alloy has been achieved primarily by precipitation hardening. Therefore, it is important to investigate the influence of various precipitate phases on the tensile properties of Mg-Y-Nd alloys. In this study, an extruded Mg-Y-Nd alloy was aged at various temperatures to examine the hardening behaviors. The results showed that the as-extruded alloy exhibited remarkable age hardening response at 210°C due to the precipitation of β’, and slight hardening response at 150°C and 280°C due to the precipitation of β’’ and β, respectively. Furthermore, different precipitates exerted different effects on the tensile properties. In comparison with the as-extruded alloy, the yield strength of the alloys aged at 210 °C and 150 °C was increased by 21 MPa and 8 MPa, respectively, whereas the yield strength of the alloy aged at 280°C was decreased by 30 MPa. The elongation of the alloy aged at 210°C and 150°C was also largely reduced by 3.4% and 2.9%, respectively, while the elongation of the alloy aged at 280°C was only slightly reduced (6.3%). Moreover, compared with the as-extruded alloy, the alloy aged at 210°C and 150°C exhibited lower hardening capacity and higher strain hardening rate at the initial stage, but the strain hardening rate decreased more quickly with the increasing stress. The alloy aged at 280°C exhibited similar strain hardening behavior with the as-extruded alloy. The results in this study provide guidelines for determining the heat treatment parameters for the Mg-Y-Nd alloys to improve their tensile properties.

Comprehensive study of strain hardening behavior of CrCoNi medium-entropy alloy

2021 ◽  
pp. 160623
Author(s):  
Bo Guan ◽  
Yitao Wang ◽  
Jianbo Li ◽  
Yu Zhang ◽  
Hao Wang ◽  
...  
Keyword(s):  
Strain Hardening ◽  
Hardening Behavior ◽  
Strain Hardening Behavior ◽  
Comprehensive Study

Revealing the strain-hardening behavior of twinning-induced plasticity steels: Theory, simulations, experiments

2013 ◽  
Vol 61 (2) ◽  
pp. 494-510 ◽  
Author(s):  
David R. Steinmetz ◽  
Tom Jäpel ◽  
Burkhard Wietbrock ◽  
Philip Eisenlohr ◽  
Ivan Gutierrez-Urrutia ◽  
...  
Keyword(s):  
Strain Hardening ◽  
Hardening Behavior ◽  
Strain Hardening Behavior
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