The study of mechanical properties of high T<sub>C</sub> superconductors is very important for their practical application. A lot of work has been carried out in this field. We have studied the deformation...The study of mechanical properties of high T<sub>C</sub> superconductors is very important for their practical application. A lot of work has been carried out in this field. We have studied the deformation and fracture of bulk YBCO and the effect of doped Ag. The Ag contents dolled in YBa<sub>2</sub>Cu<sub>3</sub>Ag<sub>x</sub>O<sub>7-y</sub> were in a range of X=0 to 1.5. We found that X=0.3 was the optimum Ag content, at which the fracture toughness, hardness and strength increased significantly and reached their maxima. However, the studies on me-展开更多
基金Project supported by the National Center for Research and Development on Superconductivity of China.
文摘The study of mechanical properties of high T<sub>C</sub> superconductors is very important for their practical application. A lot of work has been carried out in this field. We have studied the deformation and fracture of bulk YBCO and the effect of doped Ag. The Ag contents dolled in YBa<sub>2</sub>Cu<sub>3</sub>Ag<sub>x</sub>O<sub>7-y</sub> were in a range of X=0 to 1.5. We found that X=0.3 was the optimum Ag content, at which the fracture toughness, hardness and strength increased significantly and reached their maxima. However, the studies on me-
