KR100676958B1 - Nb3Sn계 초전도 선재의 전구체용 Sn계 합금과 그 제조 방법 - Google Patents
Nb3Sn계 초전도 선재의 전구체용 Sn계 합금과 그 제조 방법 Download PDFInfo
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- KR100676958B1 KR100676958B1 KR1020050087310A KR20050087310A KR100676958B1 KR 100676958 B1 KR100676958 B1 KR 100676958B1 KR 1020050087310 A KR1020050087310 A KR 1020050087310A KR 20050087310 A KR20050087310 A KR 20050087310A KR 100676958 B1 KR100676958 B1 KR 100676958B1
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- based alloy
- snti
- superconducting wire
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 67
- 239000000956 alloy Substances 0.000 title claims abstract description 67
- 239000002243 precursor Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 229910000657 niobium-tin Inorganic materials 0.000 title abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 34
- 229910005644 SnTi Inorganic materials 0.000 claims abstract description 31
- 239000002245 particle Substances 0.000 claims abstract description 26
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000005266 casting Methods 0.000 claims abstract description 17
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- 239000012535 impurity Substances 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 31
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 5
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- 238000000034 method Methods 0.000 abstract description 23
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- 125000006850 spacer group Chemical group 0.000 abstract description 5
- 238000005491 wire drawing Methods 0.000 abstract description 2
- 230000006866 deterioration Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 16
- 230000005291 magnetic effect Effects 0.000 description 15
- 229910052718 tin Inorganic materials 0.000 description 13
- 150000001875 compounds Chemical class 0.000 description 11
- 238000009792 diffusion process Methods 0.000 description 10
- 239000002887 superconductor Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 210000000988 bone and bone Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000010953 base metal Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 229910000765 intermetallic Inorganic materials 0.000 description 3
- 229910052758 niobium Inorganic materials 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910017755 Cu-Sn Inorganic materials 0.000 description 1
- 229910017927 Cu—Sn Inorganic materials 0.000 description 1
- 229910020012 Nb—Ti Inorganic materials 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 229910008839 Sn—Ti Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
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- 239000011261 inert gas Substances 0.000 description 1
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- 239000000843 powder Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C13/00—Alloys based on tin
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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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
- H10N60/00—Superconducting devices
- H10N60/01—Manufacture or treatment
- H10N60/0184—Manufacture or treatment of devices comprising intermetallic compounds of type A-15, e.g. Nb3Sn
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
Description
Claims (5)
- 삭제
- Nb3Sn 초전도 선재용 전구체에 사용되며 SnTi 입자가 분산된 Sn계 합금에 있어서,중앙부의 동봉 외주면에, Ti 0.1∼6wt% 또는 Cu 0.1∼6wt% 중의 적어도 어느 하나를 함유하며 잔부의 Sn 및 기타 불가피한 불순물로 조성된 Sn계 합금이 주조에 의해 결합되며,이때, 상기 동봉의 직경은 빌레트 직경의 2∼15%인 것을 특징으로 하는 Nb3Sn 초전도 선재의 전구체용 Sn계 합금.
- Nb3Sn 초전도 선재용 전구체에 사용되며 SnTi 입자가 분산된 Sn계 합금에 있어서,중앙부의 동봉 외주면에, Ti 0.1∼6wt% 또는 Cu 0.1∼6wt% 중의 적어도 어느 하나를 함유하며 잔부의 Sn 및 기타 불가피한 불순물로 조성된 Sn계 합금이 주조에 의해 결합되며,이때, 상기 동봉 외주면에 결합된 Sn계 합금 조직 내에 생성된 SnTi 입자의 평균 길이는 30㎛ 이하인 것을 특징으로 하는 Nb3Sn 초전도 선재의 전구체용 Sn계 합금.
- 진공 또는 불활성 분위기 중의 어느 한 분위기에서 Sn을 용해하는 단계와;Sn 용탕의 온도를 1100∼1200℃로 가온한 상태에서 99.99%이상의 고순도 아르곤 가스를 공급하면서 Ti를 0.1∼6wt% 투입 혼합하는 단계와;금속 주형의 바닥 중앙부에 주형 내경의 2∼15%에 해당하는 직경을 가진 동봉을 직립 설치하는 단계와;주형에 Ti가 고용된 Sn 용탕을 주입하는 단계를 포함하여 이루어짐을 특징으로 하는 Nb3Sn계 초전도 선재의 전구체용 Sn계 합금의 제조 방법.
- 진공 또는 불활성 분위기 중의 어느 한 분위기에서 Sn을 용해하는 단계와;Sn 용탕의 온도를 1000∼1100℃로 가온한 상태에서 Cu를 0.1∼6wt% 첨가하여 용해시키는 단계와;Cu가 혼합된 Sn 용탕의 온도를 1100∼1200℃로 가온한 상태에서 99.99%이상의 고순도 아르곤 가스를 공급하면서 Ti를 0.1∼6wt% 투입 혼합하는 단계와;금속 주형의 바닥 중앙부에 주형 내경의 2∼15%에 해당하는 직경을 가진 동봉을 직립 설치하는 단계와;주형에 Ti와 Cu가 혼합된 Sn 용탕을 주입하는 단계를 포함하여 이루어짐을 특징으로 하는 Nb3Sn계 초전도 선재의 전구체용 Sn계 합금의 제조 방법.
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05334920A (ja) * | 1992-05-29 | 1993-12-17 | Kobe Steel Ltd | Nb3 Sn超電導線 |
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JPH05334920A (ja) * | 1992-05-29 | 1993-12-17 | Kobe Steel Ltd | Nb3 Sn超電導線 |
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