KR910013300A - Method of manufacturing yttrium-based high temperature superconductor - Google Patents

Method of manufacturing yttrium-based high temperature superconductor Download PDF

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Publication number
KR910013300A
KR910013300A KR1019890019404A KR890019404A KR910013300A KR 910013300 A KR910013300 A KR 910013300A KR 1019890019404 A KR1019890019404 A KR 1019890019404A KR 890019404 A KR890019404 A KR 890019404A KR 910013300 A KR910013300 A KR 910013300A
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KR
South Korea
Prior art keywords
high temperature
yttrium
temperature superconductor
based high
mixture
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Application number
KR1019890019404A
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Korean (ko)
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KR0144727B1 (en
Inventor
이은홍
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서주인
삼성전기 주식회사
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Priority to KR1019890019404A priority Critical patent/KR0144727B1/en
Publication of KR910013300A publication Critical patent/KR910013300A/en
Application granted granted Critical
Publication of KR0144727B1 publication Critical patent/KR0144727B1/en

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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/653—Processes involving a melting step
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • 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
    • C04B35/4504—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 rare earth oxides
    • C04B35/4508—Type 1-2-3
    • 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
    • H10N60/01—Manufacture or treatment
    • H10N60/0268—Manufacture or treatment of devices comprising copper oxide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

내용 없음.No content.

Description

이트륨계 고온 초전도체의 제조방법Method of manufacturing yttrium-based high temperature superconductor

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 본 발명에 의해 제조된 시편의 전압-전류 특성을 나타낸 그래프이고,2 is a graph showing the voltage-current characteristics of the specimen prepared by the present invention,

제3도는 질산나트륨 첨가량에 따른 교류자화율의 변화를 나타낸 그래프이다.3 is a graph showing the change of alternating magnetization rate according to the amount of sodium nitrate added.

Claims (2)

Y2O3:BaCO3:CuO가 1:4:6(몰비)인 혼합물을 이용하여 이트륨계 초전도체를 제조하는데 있어서, 상기 혼합물을 하소한 후 NaNO3가 소량 첨가되고 건조 성형 후 산소 또는 대기중에서 890℃∼950℃로 20∼30시간 소결시키는 것을 특징으로 하는 이트륨계 고온 초전도체의 제조방법.In preparing a yttrium-based superconductor using a mixture of Y 2 O 3 : BaCO 3 : CuO 1: 4: 6 (molar ratio), a small amount of NaNO 3 is added after calcining the mixture, followed by dry molding in oxygen or air. A method for producing a yttrium-based high temperature superconductor, which is sintered at 890 ° C to 950 ° C for 20 to 30 hours. 제1항에 있어서, NaNO3가 상기 혼합물에 대하여 0.5∼4.5wt% 첨가되는 것을 특징으로 하는 이트륨계 고온 초전도체의 제조방법.The method for producing a yttrium-based high temperature superconductor according to claim 1, wherein NaNO 3 is added in an amount of 0.5 to 4.5 wt% based on the mixture. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890019404A 1989-12-23 1989-12-23 Manufacturing method of high temperature superconductor of ytrium system KR0144727B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890019404A KR0144727B1 (en) 1989-12-23 1989-12-23 Manufacturing method of high temperature superconductor of ytrium system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890019404A KR0144727B1 (en) 1989-12-23 1989-12-23 Manufacturing method of high temperature superconductor of ytrium system

Publications (2)

Publication Number Publication Date
KR910013300A true KR910013300A (en) 1991-08-08
KR0144727B1 KR0144727B1 (en) 1998-08-17

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ID=19293552

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890019404A KR0144727B1 (en) 1989-12-23 1989-12-23 Manufacturing method of high temperature superconductor of ytrium system

Country Status (1)

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KR (1) KR0144727B1 (en)

Also Published As

Publication number Publication date
KR0144727B1 (en) 1998-08-17

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