In situ measurements of austenite grain growth were made at various temperatures in the range of 1273-1473 K with subsequent isothermal holding time of 3600 s for the Nb-Ti-bearing and Nb-Ti-free high carb on steel by...
This work was financially supported by the National Natural Science Foundation of China (No. 51775102), Open Research Fund from the State Key Laboratory of Roiling and Automation, Northeastern University (No. 2016005) and Project Funded by China Postdoctoral Science Foundation (No. 2016M601877).
In order to further optimize welding process of Nb-Ti-Mo microalloyed steel, welding thermal cycles on coarse-grained heat-affected zone (CGHAZ) of welded joints were simulated using Gleeble 1500. The microstructure...
Item Sponsored by National Natural Science Foundation of China(51374151);Foundation for Key Program of Shanxi Province of China(20111101053);Foundation for Major Coal Base New Materials Program of Shanxi Province of China(MC2014-02)
The strengthening mechanisms of hot-rolled steels micro alloyed with Ti (ST-TQS00) and Nh Ti (NT TQ500) were investigated by examining the microstructures of steels using optical microscope (OM), scanning elec t...
financial support from Alberta Science and Research Authority (ASRA);University of Science and Technology Beijing (USTB);Alberta Energy Research Institute (AERI/COURSE);Syncrude Canada Ltd.
A new nanocrystallization process was designed, which included punching the surface coating to generate dislocation network or cells and recovery treatment to turn the dislocation cells into nano-sized grains. The eff...
Sponsored by Fundamental Research Funds for Central Universities of China(N110607003)
Effects of annealing time on microstructure of cold-roiled niobium-titanium bearing micro-alloyed steel strips were investigated by optical microscopy, scanning electron microscopy, electron back-scatter diffraction ...
Item Sponsored by National Natural Science Foundation of China (51074052);Fundamental Research Funds for Central Universities of China (N100607001)
The correlation between microstructures and mechanical properties of a Nb-Ti microalloyed pipeline steel was investigated. The results revealed that with decreasing the finish rolling temperature and the cooling stop ...