Title:
【発明の名称】酸化物超伝導性物品のための簡略化された変形-焼結方法
Document Type and Number:
Japanese Patent JPH11506866
Kind Code:
A
Abstract:
A method is described to prepare a highly textured oxide superconductor article in a single deformation-sinter process. A precursor article including a plurality of filaments comprising a precursor oxide having a dominant amount of a tetragonal BSCCO 2212 phase and a constraining member substantially surrounding each of the filaments is provided. Each of the filaments extends along the length of the article. The oxide article is subjected to a heat treatment at an oxygen partial pressure and temperature selected to convert a tetragonal BSCCO 2212 oxide into an orthorhombic BSCCO 2212 oxide and, thereafter, roll worked in a high reduction draft in a range of about 40% to 95% in thickness so that the filaments have a constraining dimension is substantially equivalent to a longest dimension of the oxide superconductor grains. The rolled article is sintered to obtain a BSCCO 2223 oxide superconductor.
Inventors:
leek
Potberg, Eric Earl.
Walsh, Patrick John
Carter, William Elle.
Riley, Gilbert N., Jr.
Loopic, Martin W.
Elliott Thomson
Otto, alexander
Potberg, Eric Earl.
Walsh, Patrick John
Carter, William Elle.
Riley, Gilbert N., Jr.
Loopic, Martin W.
Elliott Thomson
Otto, alexander
Application Number:
JP50129197A
Publication Date:
June 15, 1999
Filing Date:
June 05, 1996
Export Citation:
Assignee:
American Superconductor Corporation
International Classes:
C01G1/00; B22F3/18; C01G29/00; C04B35/45; C22C29/12; H01B12/10; H01B13/00; H01L39/24; (IPC1-7): H01B13/00; C01G1/00; C01G29/00; H01B12/10
Attorney, Agent or Firm:
Motohiro Kurauchi (1 outside)