| 摘要 |
PURPOSE:To sufficiently show a superconductive characteristic by sealing a compact of an oxide superconductor in a capsule together with copper oxide or an oxide having generation free energy over copper oxide for isotropically compressing this at high temperature to be sintered. CONSTITUTION:A container having a superconductor inside is put into the inside of a mold for HIP sintering together with a pressure-transmitting medium and the container is heated from outside the mold while giving pressure to the container evenly from its whole periphery through the pressure transmitting medium. In this case, a filler filled in the inside of the container transmits pressure uniformly to the compact to isotropically compress while a protective material wraps up the compact for protecting it from being damaged due to the contact with the container or the other compact and also producing an oxidizing atmosphere. Thereby, a superconductive characteristic can be fully shown. |
