The damage evolution of high temperature plastic deformation of metallic materials was studied by use of continuum damage mechanics(CDM)theory.Based on thermody
The tensile properties and fracture beha viors of Ti-22Al-27Nb and Ti-22Al-20Nb-7Ta alloys were investigated in the temperature range of 25~800 ℃. Three typical
The effects of rare earth elements on the structure of cathode materials composed of WC, 663Cu and Ti as well as the performances of spinning rings implanted wi
The isothermal sections of the Nb-Ti-Si ternary system at 1473K and 1373K were determined by means of diffusion triple technique and electron microprobe analysi
Selective extraction of zinc from sulfate leach solution of zinc ore was studied.D2EHPA dissolved in260# kerosene was used as extractant.The pH-extraction isoth