Xianming Zhao
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View article: Variant Pairing of Lath Bainite and Martensite in an Ultra-High-Strength Steel
Variant Pairing of Lath Bainite and Martensite in an Ultra-High-Strength Steel Open
The mixed structure of lath bainite and martensite was obtained by isothermal transformation tests at 698 K, 673 K and 623 K in ultra-high-strength steel. The interweaving mode of lath bainite and martensite was revealed by colored metallo…
View article: Numerical Simulation of Microstructure Evolution of Large GCr15 Bar during Multi-Pass Rough Rolling
Numerical Simulation of Microstructure Evolution of Large GCr15 Bar during Multi-Pass Rough Rolling Open
Severe temperature gradients and inhomogeneous strain distribution exist in the large cross-section of GCr15 bearing steel during the hot bar rolling process, resulting in a complex microstructure evolution in the bar. To promote the perfo…
View article: Effect of isothermal time and alloy elements on bainitic transformation below Ms in medium Mn Steels
Effect of isothermal time and alloy elements on bainitic transformation below Ms in medium Mn Steels Open
For Fe-C-Mn-Si system, the effect of cobalt, aluminium, manganese and isothermal time on the bainitic transformation, especially the kinetics of isothermal bainitic transformation below Ms temperature, was studied by dilatometry and scanni…
View article: The Influence of Isothermal Holding Times on Microstructural Evolution of X90 Linepipe Steel
The Influence of Isothermal Holding Times on Microstructural Evolution of X90 Linepipe Steel Open
Microstructural phase of linepipe steels depends on different isothermal conditions. Thermal cycling testing of X90 linepipe steel was conducted using a thermomechanical simulator. The results have shown that with increased holding time, t…
View article: The Influence of Isothermal Holding Times on Microstructural Evolution of X90 Linepipe Steel
The Influence of Isothermal Holding Times on Microstructural Evolution of X90 Linepipe Steel Open
Microstructural phase of linepipe steels depends on different isothermal conditions. Thermal cycling testing of X90 linepipe steel was conducted using a thermomechanical simulator. The results have shown that with increased holding time, t…
View article: Effect of final rolling and final cooling temperature on microstructure and properties of girder steel
Effect of final rolling and final cooling temperature on microstructure and properties of girder steel Open
In this paper, the influence of the final rolling temperature and final cooling temperatures on the microstructure and properties of HG550 girder steel was investigated using a RALΦ450×450mm hot rolling mill. The OM, SEM and tensile tests …
View article: Effects of oil-in-water based nanolubricant containing TiO 2 nanoparticles in hot rolling of 304 stainless steel
Effects of oil-in-water based nanolubricant containing TiO 2 nanoparticles in hot rolling of 304 stainless steel Open
Energy saving and improvement of product quality are of crucial importance in hot rolling of 304 stainless steel. In this paper, oil-in-water (O/W) based nanolubricants containing TiO2 nanoparticles were developed to reduce the rolling for…