JPH11505500A - 超伝導成形体の製造方法 - Google Patents
超伝導成形体の製造方法Info
- Publication number
- JPH11505500A JPH11505500A JP9532278A JP53227897A JPH11505500A JP H11505500 A JPH11505500 A JP H11505500A JP 9532278 A JP9532278 A JP 9532278A JP 53227897 A JP53227897 A JP 53227897A JP H11505500 A JPH11505500 A JP H11505500A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- temperature
- amorphous
- superconducting
- phase
- 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.)
- Ceased
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 229910052796 boron Inorganic materials 0.000 claims abstract description 9
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 238000002425 crystallisation Methods 0.000 claims abstract description 7
- 230000008025 crystallization Effects 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 7
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 7
- 238000000227 grinding Methods 0.000 claims abstract description 6
- 229910052691 Erbium Inorganic materials 0.000 claims abstract description 5
- 229910052775 Thulium Inorganic materials 0.000 claims abstract description 5
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 5
- 150000001247 metal acetylides Chemical class 0.000 claims abstract description 5
- 238000005551 mechanical alloying Methods 0.000 claims abstract description 4
- 150000004767 nitrides Chemical class 0.000 claims abstract description 4
- 229910052692 Dysprosium Inorganic materials 0.000 claims abstract description 3
- 229910052765 Lutetium Inorganic materials 0.000 claims abstract description 3
- 229910052802 copper Inorganic materials 0.000 claims abstract description 3
- 229910052742 iron Inorganic materials 0.000 claims abstract description 3
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 3
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 3
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 3
- 229910052706 scandium Inorganic materials 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 238000007731 hot pressing Methods 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 4
- 238000007712 rapid solidification Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000011163 secondary particle Substances 0.000 claims description 3
- 229910052582 BN Inorganic materials 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 239000002887 superconductor Substances 0.000 abstract description 8
- 229910052580 B4C Inorganic materials 0.000 abstract description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 abstract description 4
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 239000006104 solid solution Substances 0.000 abstract 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical class N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 abstract 1
- 229910052786 argon Inorganic materials 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 1
- 150000002910 rare earth metals Chemical class 0.000 abstract 1
- 239000008247 solid mixture Substances 0.000 abstract 1
- 229910052723 transition metal Inorganic materials 0.000 abstract 1
- 150000003624 transition metals Chemical class 0.000 abstract 1
- 238000003801 milling Methods 0.000 description 8
- 239000012300 argon atmosphere Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 229910052689 Holmium Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000001513 hot isostatic pressing Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 229910019092 Mg-O Inorganic materials 0.000 description 1
- 229910019395 Mg—O Inorganic materials 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/583—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on boron nitride
-
- 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
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
-
- 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
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/563—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on boron carbide
-
- 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
- C04B35/64—Burning or sintering processes
- C04B35/645—Pressure sintering
-
- 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
- C04B35/64—Burning or sintering processes
- C04B35/645—Pressure sintering
- C04B35/6455—Hot isostatic pressing
-
- 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
-
- 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
- H10N60/80—Constructional details
- H10N60/85—Superconducting active materials
- H10N60/855—Ceramic superconductors
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S420/00—Alloys or metallic compositions
- Y10S420/901—Superconductive
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/80—Material per se process of making same
- Y10S505/801—Composition
- Y10S505/805—Alloy or metallic
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Ladders (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 希土類−遷移金属−炭化ホウ素−化合物及び希土類−遷移金属−窒化ホウ 素−化合物からなる超電導成形体を製造するにあたり、 a) 次の成分を含有する1〜250μmの粒度を有する粉末混合物を製造し : aa) Y、La、Ho、Dy、Er、Tm、Lu、Scのグループから なる少なくとも1種の元素、 ab) Ni、Cu、Co、Fe、Pd、Ptのグループからなる少なくと も1種の元素、 ac) B及びN及び/又は炭化物及び窒化物及び/又はこれらの混晶、 b) この粉末混合物を機械的に高い力を用いて、 特に機械的合金化又は強力粉砕により、非晶質、ナノ結晶性又は非晶質−ナノ結 晶性の構造を有する二次粉末に移行させ、 c) この二次粉末を超電導性相の形成のために自体公知の方法で熱処理し、 しかしその際、溶融冶金的方法及び急速凝固方法により適用される形成温度より も低い形成温度を適用し、及び d) この二次粒子をプレス成形することにより超伝導成形体に緻密化し、そ の際、材料の転移温度を下回る温度を適用する ことによる超電導−成形体の製造方法。 2. Y:Ni:B:C又はY:Pd:B:Cの成分を1:2:2:1の原子比 で含有する粉末混合物を製造する、請求項1記載の方法。 3. 粉末混合物が、元素粉末又は少なくとも2成分の予備合金化物又は予備合 金化物及び元素粉末の混合物から製造される、請求項2記載の方法。 4. 機械的合金化又は強力粉砕を遊星−ボールミル、スウィングミル、振動ミ ル又は摩砕機を用いて実施する、請求項1記載の方法。 5. 主に非晶質の二次粉末が存在する場合、材料の非晶質相の結晶化温度より 少なくとも20K下回る温度でプレス成形を実施する、請求項1記載の方法。 6. 非晶質の相の割合が<50%で、主にナノ結晶性の二次粉末が存在する場 合、非晶質相の結晶化温度をわずかに下回る温度でプレス成形を実施する、請求 項1記載の方法。 7. 完全にナノ結晶性の二次粉末が存在する場合、材料の存在する超電導性相 の転移温度を下回る温度でプレス成形を実施する、請求項1記載の方法。 8. 完全にナノ結晶性の二次粉末が存在する場合、900℃を下回る温度でプ レス成形を実施する、請求項7記載の方法。 9. 超電導成形体への緻密化を、ホットプレス、ス トランドプレス、押出、ホットアイソスタティックプレス又は焼結ホットアイソ スタティックプレスで実施する、請求項1記載の方法。 10. 超電導性相の製造のための熱処理及び超電導成形体の製造のためのプレ ス成形を1つの共通の技術的工程で実施する、請求項1記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19609983.8 | 1996-03-14 | ||
DE19609983A DE19609983A1 (de) | 1996-03-14 | 1996-03-14 | Verfahren zur Herstellung von Supraleiterformkörpern |
PCT/EP1997/001233 WO1997033844A1 (de) | 1996-03-14 | 1997-03-11 | Verfahren zur herstellung von supraleiter-formkörpern |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH11505500A true JPH11505500A (ja) | 1999-05-21 |
Family
ID=7788236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9532278A Ceased JPH11505500A (ja) | 1996-03-14 | 1997-03-11 | 超伝導成形体の製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6066270A (ja) |
EP (1) | EP0825969B1 (ja) |
JP (1) | JPH11505500A (ja) |
AT (1) | ATE182865T1 (ja) |
DE (2) | DE19609983A1 (ja) |
WO (1) | WO1997033844A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6395214B1 (en) * | 1998-11-30 | 2002-05-28 | Rutgers, The State University Of New Jersey | High pressure and low temperature sintering of nanophase ceramic powders |
US6849580B2 (en) * | 2003-06-09 | 2005-02-01 | University Of Florida | Method of producing biaxially textured buffer layers and related articles, devices and systems |
DE102005005706B4 (de) * | 2005-01-31 | 2010-07-08 | Leibnitz-Institut für Festkörper- und Werkstoffforschung Dresden e.V. | Magnetschwebevorrichtung |
DE102010051743B4 (de) | 2010-11-19 | 2022-09-01 | C. Miethke Gmbh & Co. Kg | Programmierbares Hydrocephalusventil |
US11189774B2 (en) * | 2017-05-31 | 2021-11-30 | North Carolina State University | High-temperature carbon-based superconductor: B-doped Q-carbon |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5470530A (en) * | 1993-10-26 | 1995-11-28 | At&T Ipm Corp. | Article comprising an intermetallic superconductor material |
-
1996
- 1996-03-14 DE DE19609983A patent/DE19609983A1/de not_active Withdrawn
-
1997
- 1997-03-11 JP JP9532278A patent/JPH11505500A/ja not_active Ceased
- 1997-03-11 EP EP97907092A patent/EP0825969B1/de not_active Expired - Lifetime
- 1997-03-11 WO PCT/EP1997/001233 patent/WO1997033844A1/de active IP Right Grant
- 1997-03-11 DE DE59700304T patent/DE59700304D1/de not_active Expired - Fee Related
- 1997-03-11 AT AT97907092T patent/ATE182865T1/de not_active IP Right Cessation
-
1999
- 1999-01-19 US US09/234,040 patent/US6066270A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE182865T1 (de) | 1999-08-15 |
EP0825969A1 (de) | 1998-03-04 |
US6066270A (en) | 2000-05-23 |
DE19609983A1 (de) | 1997-09-18 |
WO1997033844A1 (de) | 1997-09-18 |
DE59700304D1 (de) | 1999-09-09 |
EP0825969B1 (de) | 1999-08-04 |
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