KR890001116A - 초전도선 및 이의 제조방법 - Google Patents

초전도선 및 이의 제조방법 Download PDF

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KR890001116A
KR890001116A KR1019880007719A KR880007719A KR890001116A KR 890001116 A KR890001116 A KR 890001116A KR 1019880007719 A KR1019880007719 A KR 1019880007719A KR 880007719 A KR880007719 A KR 880007719A KR 890001116 A KR890001116 A KR 890001116A
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oxide
superconducting
oxide material
plane
superconducting wire
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KR1019880007719A
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KR970007765B1 (ko
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다까하시껭
유끼오 다께다
다께오 야마자끼
다다히꼬 미요시
아쯔꼬 소에따
구니히로 마에다
다까아끼 스즈끼
기이에 나까무라
조우시로 기따자와
마사도시 나까자와
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미다 가쓰시게
가부시기 가이샤 히다찌 세이사꾸쇼
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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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    • H10N60/01—Manufacture or treatment
    • H10N60/0268—Manufacture or treatment of devices comprising copper oxide
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/45—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides
    • C04B35/4521—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides containing bismuth oxide
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00—Superconducting devices
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    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/93—Electric superconducting
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Abstract

내용 없음

Description

초전도선 및 이의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 5 도는 X―선 회절??에 의해 분말 입자를 조사한 결과를 나타낸 그래프
제 6 도는 Ag파이프에 분말을 충전하고 선을 형성하여 제조한 초전도선의 배향을 선의 장축방향에 평행인 면에 대해 X―선 회절로 조사하여 얻은 결과를 나타낸 그래프.

Claims (16)

  1. 장축방향으로 연신한 금속제 파이프와, 상기 파이프의 내부를 충전하고, C면 및 C축을 함유하는 페로브스카이느 결정구조를 갖고 서로 결합된 초전도 산하물 그레인으로된 산화물 재료로 이루어지고, 상기 초전도 산화물 그레인은 C면 방향의 길이가 C축 방향의 다른 길이보다 큰 판―상 그레인 50용적% 이상을 함유하며, 대부분의 판―상 그레인의 C면은 파이프의 장축을 향해 배열되어 있는 산화물 초전도선.
  2. 제 1 항에 있어서, 초전도 산화물 재료가 Cu ; Ba,Sr 및 Ca의 그룹에서 선택된 적어도 1종 ; Y 및 희토류 원소의 그룹에서 선택된 적어도 1종 및 O로 이루어진 산화물인 산화물 초전도선.
  3. 제 1 항에 있어서, 초전도 산화물 재료가 Cu ; Ba,Sr 및 Ca의 그룹에서 선택된 적어도 1종 ; 희토류 원소 및 Y그룹에서 선택된 적어도 1종 및 알카리 금속, 비스무스 및 탈륨의 그룹에서 선택된 적어도 1종 및 O로 이루어진 산화물인 산화물 초전도선.
  4. 제 1 항에 있어서, 초전도 산화물 재료는 C면 방향의 길이가 C축 방향의 길이보다 2배 이상인 판―상 그레인 50용적%를 함유하는 산화물 초전도선.
  5. 제 1항에 있어서, 임계전류밀도가 임계온도에서 90A/㎠이상인 산화물 초전도선.
  6. 제 1항에 있어서, 액체 질소의 비점인 77°K의 온도에서 3500 내지 6600A/㎠의 임계 전류밀도를 갖는 산화물 초전도선.
  7. 장축 방향으로 연신한 금속제 파이프와, 상기 파이프의 내부를 충전하고, C면 및 C축을 함유하는 페로브스카이트 결정구조를 갖고 서로 결합된 초전도 산화물 그레인으로 된 초전도 산화물 재료로 이루어지고, 상기 초전도 산화물 그레인은 C면 방향의 길이가 C축 방향의 다른 길이보다 2배 이상인 판―상 그레인 60용적% 이상을 함유함, 대부분의 판―상 그레인의 C면은 파이프의 장축을 향해 배열되어 있는 산화물 초전도선.
  8. 장축 방향으로 연신한 금속제 파이프를 제조하는 단계, C면 및 C축을 함유한 페로브스카이트 결정구조를 갖는 초전도 산화물 입자를 함유하고, C면 방향의 길이가 C축 방향의 다른 길이보다 큰 판―상 입자 50용적%이상을 함유하는 초전도 산화물 재료의 분말을 제조하는 단계, 상기 파이프를 복합도체가 제조되도록 상기 분말로 충전하는 단계, 복합도체를 선형성 가공을 하고/하거나 대부분의 판―상 입자의 C면이 파이프의 장축을 향해 배향하도록 장축 방향으로 압연하여 상기 복합도체를 선으로 형성시키는 단계, 그리고 형성된 복합 도체를 초전도 산화물 재료가 소결되도록 열처리하는 단계를 이루어진 산화물 초전도 선의 제조방법.
  9. 제 8 항에 있어서, 초전도 산화물 재료가 Cu ; Ba,Sr 및 Ca의 그룹에서 선택된 적어도 1종 ; Y 및 희토류 원소로 구성된 그룹에서 선택된 적어도 1종 및 O로 이루어진 산화물인 초전도 산화물 재료의 제조방법.
  10. 제 8 항에 있어서, 초전도 산화물 재료가 Cu ; Ba,Sr 및 Ca의 그룹에서 선택된 적어도 1종 ; Y 및 희토류 원소 및 Y로 구성된 그룹에서 선택된 적어도 1종; 알카리금속, 비스무스 및 탈륨으로 구성된 그룹에서 선택된 적어도 1종 및 O로 이루어진 산화물인 초전도선을 제조하는 방법.
  11. 제 8 항에 있어서, 초전도 산화물 재료의 분말이 C면 방향의 길이가 C축 방향의 다른 길이보다 2배이상 큰 판―상 입자 50용적% 이상을 함유하는 산화물 초저도선의 제조방법.
  12. 제 8 항에 있어서, 초전도 산화물 재료의 분말이 C면 방향의 길이가 C축 방향의 다른 길이보다 2배이상 큰 판―상 입자 60용적% 이상을 함유하는 산화물 초저도선의 제조방법.
  13. 제 8 항에 있어서, 금????제 파이프의 벽내에 다수의 관통공을 갖는 산화물 초전도선의 제조방법.
  14. 제8항에 있어서, 형성된 복합체의 열처리를 산소분위기하에 수행하는 산화물 초전도선의 제조방법.
  15. 제 8항에 있어서, 초전도 산화물 재료의 분말의 입경이 200매쉬 이상인 산화물 초전도선의 제조방법.
  16. 제 8항에 있어서, 초전도 산화물 재료의 분말에 함유되는 판―상 입자의 목적하는 형태 및 양을, 상기 재료의 제조시, 900내지 1050℃범위의 가열처리 온도를 적절히 선택하고 열처리 시간을 적절히 선택하고/하거나 생성된 초전도 산화물 재료를 분쇄하는 적절히 선택하여 얻는 산화물 초전도선의 제조방법.
    ※ 참고사항 : 최초출원 내용에 .의하여 공개하는 것임.
KR1019880007719A 1987-06-26 1988-06-25 초전도 산화물 와이어 및 그 제조 방법 KR970007765B1 (ko)

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JP62-157691 1987-06-26
JP15769187 1987-06-26
JP87-157691 1987-06-26
JP87-171015 1987-07-10
JP17101587 1987-07-10
JP62-171015 1987-07-10

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KR910002311B1 (ko) * 1987-02-27 1991-04-11 가부시기가이샤 히다찌세이사꾸쇼 초전도 디바이스
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US5935912A (en) 1999-08-10
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EP0296477A3 (en) 1989-10-25
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EP0296477A2 (en) 1988-12-28

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