公开(公告)号：WO1989006432A1

公开(公告)日：1989-07-13

申请号：PCT/JP1988001334

申请日：1988-12-26

Applicant: MITSUBISHI KINZOKU KABUSHIKI KAISHA ,  HAGINO, Sadaaki ,  SUZUKI, Motokazu ,  KONDO, Hideyuki ,  NISHIKAWA, Shigeru

Inventor： MITSUBISHI KINZOKU KABUSHIKI KAISHA

IPC: H01B12/04

CPC classification number: H01L39/248 ,  H01L39/143

Abstract: A superconductive structure comprising an oxide superconductive ceramic powder having a perovskite structure and a metallic covering member or, preferably, an Ag covering member which encloses said powder, wherein a compression oriented layer is formed maintaining a thickness of greater than 5 mum in which the C-axis direction of crystals of the powder is oriented perpendicularly to the lengthwise direction of the superconductive structure. The invention further deals with a method of producing the same.

公开(公告)号：WO1989008317A1

公开(公告)日：1989-09-08

申请号：PCT/JP1989000198

申请日：1989-02-27

Applicant: MITSUBISHI KINZOKU KABUSHIKI KAISHA ,  HAGINO, Sadaaki ,  SUZUKI, Motokazu ,  KONDO, Hideyuki ,  NISHIKAWA, Shigeru ,  HAYASHI, Kenichi

Inventor： MITSUBISHI KINZOKU KABUSHIKI KAISHA

IPC: H01B12/04

CPC classification number: H01L39/143 ,  H01L39/248 ,  Y10S505/887 ,  Y10T29/49014

Abstract: A superconductive structure comprising superconductive oxide ceramic powder having a perovskite structure and a metal sheath enclosing the powder. The metal sheath consists of an Ag portion and a non-Ag portion, the Ag portion exists from the inner surface through up to the outer surface, the superconductive ceramic powder portion in the structure is brought into contact with the non-Ag metal used as the metal sheath material through the interposition of the Ag material, and a compression oriented layer is formed maintaining a thickness greater than 0.5 mum in which the C-axis direction of crystals of the superconductive ceramic powder is perpendicular to the lengthwise direction of the superconductive structure. The invention further relates to a method of producing the superconductive structure. A superconductive composite wire and a superconductive composite cable having the described structure use Ag in amounts smaller than that of the conventional Ag-coated superconductive wires and superconductive cables, and exhibit excellent strength and high critical current density at both high and normal temperatures. These wires and cables can be produced easily.

公开(公告)号：WO1989006040A1

公开(公告)日：1989-06-29

申请号：PCT/JP1988001329

申请日：1988-12-24

Applicant: MITSUBISHI KINZOKU KABUSHIKI KAISHA ,  HAGINO, Sadaaki ,  SUZUKI, Motokazu ,  NISHIKAWA, Shigeru ,  HAYASHI, Kenichi

Inventor： MITSUBISHI KINZOKU KABUSHIKI KAISHA

IPC: H01B12/04

CPC classification number: H01L39/248 ,  H01L39/143 ,  Y10S505/704 ,  Y10S505/74 ,  Y10T29/49014 ,  Y10T428/12438 ,  Y10T428/12611 ,  Y10T428/12618

Abstract: A superconductive structure comprising a superconducive ceramic and a surrounding metal sheath. The metal sheath consists of an Ag portion and a non-Ag metal portion. In the Ag portion, Ag exists from the inner surface through up to the outer surface. Further, due to the interposition of the Ag material, the superconductive ceramic portion that exists inside the structure is brought into indirect contact with the non-Ag metal that is used as the metal sheath material.