JP4941074B2 - 酸化物超電導線材の製造方法および酸化物超電導線材 - Google Patents
酸化物超電導線材の製造方法および酸化物超電導線材 Download PDFInfo
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- JP4941074B2 JP4941074B2 JP2007115918A JP2007115918A JP4941074B2 JP 4941074 B2 JP4941074 B2 JP 4941074B2 JP 2007115918 A JP2007115918 A JP 2007115918A JP 2007115918 A JP2007115918 A JP 2007115918A JP 4941074 B2 JP4941074 B2 JP 4941074B2
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- oxide superconducting
- wire
- metal tube
- superconducting wire
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- 238000004519 manufacturing process Methods 0.000 title claims description 49
- 229910052751 metal Inorganic materials 0.000 claims description 74
- 239000002184 metal Substances 0.000 claims description 74
- 238000000034 method Methods 0.000 claims description 62
- 238000007789 sealing Methods 0.000 claims description 54
- 239000000463 material Substances 0.000 claims description 52
- 238000005219 brazing Methods 0.000 claims description 36
- 238000010438 heat treatment Methods 0.000 claims description 28
- 239000000843 powder Substances 0.000 claims description 19
- 238000005491 wire drawing Methods 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 15
- 230000037431 insertion Effects 0.000 claims description 15
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 14
- 229910052709 silver Inorganic materials 0.000 claims description 14
- 239000004332 silver Substances 0.000 claims description 14
- 230000006698 induction Effects 0.000 claims description 12
- 239000002243 precursor Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 description 32
- 239000007789 gas Substances 0.000 description 18
- 238000010586 diagram Methods 0.000 description 16
- 238000005096 rolling process Methods 0.000 description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
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- 230000006866 deterioration Effects 0.000 description 6
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- 239000011575 calcium Substances 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 5
- 229910001316 Ag alloy Inorganic materials 0.000 description 4
- 229910002480 Cu-O Inorganic materials 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910015901 Bi-Sr-Ca-Cu-O Inorganic materials 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
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- 238000003466 welding Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910052774 Proactinium Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
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- 238000005429 filling process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
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- Superconductors And Manufacturing Methods Therefor (AREA)
Description
Claims (7)
- 酸化物超電導材料の前駆体粉末が金属で被覆された形態の線材が伸線される伸線工程と、
前記伸線工程において伸線された前記線材が複数本束ねられることにより多芯化される多芯化工程とを備え、
前記多芯化工程は、
複数の前記線材が金属管内に挿入される挿入工程と、
前記線材が挿入された前記金属管が密封される密封工程とを含み、
前記密封工程では、圧力10Pa以下、温度80℃以上250℃以下の条件下で、前記線材が挿入された前記金属管が封止される、酸化物超電導線材の製造方法。 - 前記密封工程では、前記金属管の端部を閉じるための蓋部材が前記金属管に対してロウ材により固定される、請求項1に記載の酸化物超電導線材の製造方法。
- 前記ロウ材は、銀ロウである、請求項2に記載の酸化物超電導線材の製造方法。
- 前記密封工程では、高周波誘導加熱により前記ロウ材が融解されて、前記蓋部材が前記金属管に対して固定される、請求項2または3に記載の酸化物超電導線材の製造方法。
- 前記密封工程では、前記高周波誘導加熱により酸化される前記金属管の領域は、前記金属管の端から10mm以内の領域である、請求項4に記載の酸化物超電導線材の製造方法。
- 前記密封工程では、前記線材が挿入された前記金属管に、前記ロウ材が前記金属管の内部において移動可能な範囲を制限するロウ材移動制限部材が挿入された後、前記蓋部材が前記金属管に対して固定される、請求項2〜5のいずれか1項に記載の酸化物超電導線材の製造方法。
- 請求項1〜6のいずれか1項に記載の酸化物超電導線材の製造方法により製造された、酸化物超電導線材。
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JP4941074B2 true JP4941074B2 (ja) | 2012-05-30 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105405957A (zh) * | 2015-12-29 | 2016-03-16 | 北京英纳超导技术有限公司 | 一种铋系氧化物超导导线的制造方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2001184956A (ja) * | 1999-12-28 | 2001-07-06 | Sumitomo Electric Ind Ltd | 超電導線材の製造方法 |
JP3877071B2 (ja) * | 2002-08-05 | 2007-02-07 | 住友電気工業株式会社 | 超電導線材の製造方法 |
JP4701631B2 (ja) * | 2004-05-13 | 2011-06-15 | 住友電気工業株式会社 | 超電導線材の製造方法 |
WO2005124793A1 (ja) * | 2004-06-22 | 2005-12-29 | Sumitomo Electric Industries, Ltd. | 超電導線材の製造方法 |
JP2006228665A (ja) * | 2005-02-21 | 2006-08-31 | Sumitomo Electric Ind Ltd | 酸化物超電導線材およびその製造方法ならびに超電導機器 |
JP2006331687A (ja) * | 2005-05-23 | 2006-12-07 | Sumitomo Electric Ind Ltd | 超電導線材の製造方法、超電導多芯線材の製造方法および超電導機器 |
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CN105405957A (zh) * | 2015-12-29 | 2016-03-16 | 北京英纳超导技术有限公司 | 一种铋系氧化物超导导线的制造方法 |
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