Item Sponsored by National Natural Science Foundation of China(51271163,51471148)
The structure stability, elastic property and electronic structure of a-Fe supercell with La atom were inves- tigated by first-principles, in which, generalized gradient approximation (GGA) with the Perdew Burke Ern...
supported by National Natural Science Foundation of China(51271163,51471148)
The Fe-Cr-C flux-cored wires with 0 wt.%, 0.63 wt.%, 2.54 wt.% and 5.08 wt.% additions of nano-Y203 were developed in this work. And the different hypereutectic Fe-Cr-C hardfacing coatings were prepared. The phase str...
Project supported by National Natural Science Foundation of China(51271163);the Key Project of Science and Technology of Hebei Province(09215106D)
The purpose of this work was to investigate the effect of La2O3 on the granular bainite microstructure and wear resistance of hardfacing layer metal. The hardfacing layer metals with different contents of La2O3 were p...
supported by the National Natural Science Foundation of China (No. 51271163)
A high speed steel (HSS) was studied for rollers in this work. The steel was quenched at 1150℃ and tempered at 520℃. The phase structures of the steel were determined by X-ray diffraction (XRD), and the hardness...
Project supported by National Natural Science Foundation of China(51271163);Key Project of Science and Technology of Hebei Province(09215106D)
The Fe-Cr-C claddings formed by arc surface welding with different La2O3 additions were investigated. The microstructures were observed by optical microscopy (OM), field emission scanning electron microscopy (FESEM...
Program supported by National Nature Science Foundation of China(51271163);Key Project of Science and Technology of Hebei Province(09215106D)
The flux cored wires with different rare earth oxide additions for hardfacing the workpieces of medium-high carbon steel were developed. The microstrucmre of the hardfacing layer was observed using the optical microsc...