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Article
Masing Behavior and Microstructural Change of Quenched and Tempered High-Strength Steel Under Low Cycle Fatigue
Low cycle fatigue behavior of a quenched and tempered high-strength steel (Q960E) was studied in the strain amplitude ranging from ± 0.5% to ± 1.2% at room temperature. As a result of fatigue loading, the disl...
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Article
Microstructure–mechanical property relationship in Ti–Mo microalloyed steel with random and interphase precipitates
The relationship between microstructure and mechanical properties of Ti–Mo microalloyed steels composed of ferrite and bainite with nanometer-sized carbides and isothermally transformed at different temperatur...
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Article
Influence of Finishing Cooling Temperature and Holding Time on Nanometer-size Carbide of Nb-Ti Microalloyed Steel
The nanometer-size carbides formed in ferrite matrix of Nb-Ti microalloyed steel at different finishing cooling temperatures and holding time have been investigated. The characteristics of nanometer-size carbi...
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Article
Development of Ti-Microalloyed 600 MPa hot rolled high strength steel
A high strength steel with yield strength on the order of 600 MPa was developed successfully with only addition of titanium alloying element based on a low-carbon steel. The results showed that the hot deforma...
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Article
Development of Nb-V-Ti hot-rolled high strength steel with fine ferrite and precipitation strengthening
A hot-rolled steel with high yield strength of 700 MPa, good elongation of about 20% and low ductile-brittle transition temperature (DBTT) lower than −70°C has been developed in laboratory. The results show th...
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Article
Strengthening Mechanism of a New 700 MPa Hot Rolled High Strength Steel
The microstructural evolution in a 700 MPa hot rolled high strength steel was analyzed in terms of strengthening mechanisms. The results show that the hot rolled sheet steel has yield strength of 710 MPa with ...
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Article
Influence of Holding Time After Deformation on Bainite Transformation in Niobium Microalloyed Steel
Using Gleeble-1500 system, the influence of holding time on bainite transformation in deformed niobium microalloyed steel during continuous cooling was analyzed, and the carbides in upper bainite were also sys...
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Article
Bainite Transformation Under Continuous Cooling of Nb-Microalloyed Low Carbon Steel
Utilizing Gleeble-1500 thermomechanical simulator, the influences of hot deformation parameters on continuous cooling bainite transformation in Nb-microalloyed low carbon steel were investigated. The results i...
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Article
Effects of Deformation on Bainite Transformation During Continuous Cooling of Low Carbon Steels
Hot deformation experiments were carried out on Gleeble 1500 thermo-mechanical simulator. The bainite transformation after deformation was investigated by optical microstructure analysis. The results indicated...
