JP4261568B2 - 酸化物超電導線材の製造方法 - Google Patents
酸化物超電導線材の製造方法 Download PDFInfo
- Publication number
- JP4261568B2 JP4261568B2 JP2006291428A JP2006291428A JP4261568B2 JP 4261568 B2 JP4261568 B2 JP 4261568B2 JP 2006291428 A JP2006291428 A JP 2006291428A JP 2006291428 A JP2006291428 A JP 2006291428A JP 4261568 B2 JP4261568 B2 JP 4261568B2
- Authority
- JP
- Japan
- Prior art keywords
- metal sheath
- superconducting wire
- oxide superconducting
- silver
- gold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
Description
Claims (2)
- Bi(2223)系酸化物超電導体またはその原料を金属シースに充填した後に塑性加工および熱処理を施して酸化物超電導線材を製造する方法において、
前記塑性加工と前記熱処理を施す前において、前記金属シースは、銀からなる第1の層と、前記第1の層の外側に形成された金を含む銀合金からなる第2の層とを含む2層構造からなっていて、この第2の層は1at%以上で3at%以下の範囲内の金を含み、
前記酸化物超電導線材の製造後において、前記金属シース中の金の濃度がその金属シースの内側から外側にかけて高くなるように熱拡散によって分布させられて、超電導体との界面においてその金属シースの金の濃度が0.1at%以上で0.49at%以下の範囲内に調整され、
それによって、前記酸化物超電導線材は、前記金属シースが銀のみを含む場合に比べて、同一以上の臨界電流密度を有するとともに、
前記金属シースは、それが銀のみを含む場合に比べて、低い電気伝導性と低い熱伝導性とを有することを特徴とする酸化物超電導線材の製造方法。 - 前記塑性加工と前記熱処理は、第1次の塑性加工としての伸線加工と圧延加工、その後の第1次の熱処理、その後の第2次の塑性加工としての圧延加工、およびその後の第2次の熱処理を含むことを特徴とする請求項1に記載の酸化物超電導線材の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006291428A JP4261568B2 (ja) | 2006-10-26 | 2006-10-26 | 酸化物超電導線材の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006291428A JP4261568B2 (ja) | 2006-10-26 | 2006-10-26 | 酸化物超電導線材の製造方法 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7078629A Division JPH08273451A (ja) | 1995-04-04 | 1995-04-04 | 酸化物超電導線材およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007073533A JP2007073533A (ja) | 2007-03-22 |
JP4261568B2 true JP4261568B2 (ja) | 2009-04-30 |
Family
ID=37934770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006291428A Expired - Fee Related JP4261568B2 (ja) | 2006-10-26 | 2006-10-26 | 酸化物超電導線材の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4261568B2 (ja) |
-
2006
- 2006-10-26 JP JP2006291428A patent/JP4261568B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2007073533A (ja) | 2007-03-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6393690B1 (en) | Structure and method of manufacture for minimizing filament coupling losses in superconducting oxide composite articles | |
EP0412527B1 (en) | Ceramic superconductor wire and method of manufacturing the same | |
JP2685751B2 (ja) | 化合物超伝導線及び化合物超伝導線の製造方法 | |
CA1340229C (en) | Bismuth oxide superconductors, and devices and systems comprising such aconductor | |
JP4261568B2 (ja) | 酸化物超電導線材の製造方法 | |
US6311385B1 (en) | High temperature oxide superconducting wire and method of manufacturing thereof | |
JP4038813B2 (ja) | 超電導線材の製造方法 | |
JP3369225B2 (ja) | 酸化物高温超電導線材の製造方法 | |
JP3778971B2 (ja) | 酸化物超電導線材およびその製造方法 | |
JP2006260854A (ja) | 超電導線材の製造方法 | |
WO1993002460A1 (fr) | Procede de fabrication d'un materiau supraconducteur filaire en oxyde a base de bismuth | |
JP3692657B2 (ja) | 酸化物超電導線材 | |
JP3735092B2 (ja) | ビスマス系酸化物超電導線材の製造方法 | |
JP4039260B2 (ja) | 酸化物超電導線材の製造方法および酸化物超電導線材の原料粉末 | |
JP4016324B2 (ja) | 超電導線材の製造方法 | |
JP4696811B2 (ja) | Bi系超電導体の製造方法 | |
JP4507899B2 (ja) | ビスマス系酸化物超電導線材およびその製造方法、該ビスマス系酸化物超電導線材を用いた超電導機器 | |
JP2735534B2 (ja) | 化合物超伝導線及び化合物超伝導線の製造方法 | |
JPH08273451A (ja) | 酸化物超電導線材およびその製造方法 | |
JP3078765B2 (ja) | 化合物超伝導線及び化合物超伝導線の製造方法 | |
JP2003173721A (ja) | 交流用酸化物超電導線材及びその製造方法 | |
JP3149170B2 (ja) | ビスマス系酸化物超電導体の製造方法 | |
JP2007165207A (ja) | 酸化物超電導線材の製造方法 | |
Liu et al. | Microstructure observations of ag and ag-alloy sheathed Bi2223 tapes | |
JP2008218220A (ja) | 酸化物超電導線材の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20061114 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080304 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080401 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080507 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080610 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080909 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20081017 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20081202 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090114 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20090203 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090205 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120220 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |