JP2010059047A - 希土類窒化物およびその製造方法、ならびに磁気冷凍材料および蓄冷材料 - Google Patents
希土類窒化物およびその製造方法、ならびに磁気冷凍材料および蓄冷材料 Download PDFInfo
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- JP2010059047A JP2010059047A JP2009196020A JP2009196020A JP2010059047A JP 2010059047 A JP2010059047 A JP 2010059047A JP 2009196020 A JP2009196020 A JP 2009196020A JP 2009196020 A JP2009196020 A JP 2009196020A JP 2010059047 A JP2010059047 A JP 2010059047A
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- rare earth
- earth nitride
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- nitride
- magnetic refrigeration
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- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 87
- -1 Rare earth nitride Chemical class 0.000 title claims abstract description 69
- 239000000463 material Substances 0.000 title claims abstract description 27
- 238000005057 refrigeration Methods 0.000 title claims abstract description 27
- 239000011232 storage material Substances 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 239000002923 metal particle Substances 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 229910052706 scandium Inorganic materials 0.000 claims abstract description 3
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 3
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000002245 particle Substances 0.000 claims description 25
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 4
- 229910052689 Holmium Inorganic materials 0.000 claims description 4
- 238000004438 BET method Methods 0.000 claims description 3
- 229910052691 Erbium Inorganic materials 0.000 claims description 3
- 229910052779 Neodymium Inorganic materials 0.000 claims description 3
- 229910052771 Terbium Inorganic materials 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 claims description 2
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims description 2
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 2
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 claims description 2
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 2
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims description 2
- 239000012798 spherical particle Substances 0.000 abstract description 14
- 150000004767 nitrides Chemical class 0.000 abstract description 5
- 238000005121 nitriding Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 16
- 239000012298 atmosphere Substances 0.000 description 15
- 238000011156 evaluation Methods 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 230000007704 transition Effects 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 229910000765 intermetallic Inorganic materials 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000005338 heat storage Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000009689 gas atomisation Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 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
- 150000004678 hydrides Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical class O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008207 working material Substances 0.000 description 1
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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Ceramic Products (AREA)
Abstract
【解決手段】 組成式:MN(式中、MはY(イットリウム)とSc(スカンジウム)を含む希土類元素から選択される1種以上の元素を表す)で表され、アスペクト比が3.0以下の略球状の粒子であり、かつ炭素の含有量が0.3質量%以下の希土類窒化物を磁気冷凍材料、蓄冷材料に用いる。希土類窒化物は、希土類元素の球状金属粒子を窒化することにより得られる。
【選択図】なし
Description
Claims (9)
- 組成式:MN(式中、MはY(イットリウム)とSc(スカンジウム)を含む希土類元素から選択される1種以上の元素を表す)で表され、アスペクト比が3.0以下の略球状の粒子であり、かつ炭素の含有量が0.3質量%以下であることを特徴とする希土類窒化物。
- NaCl型結晶構造であることを特徴とする請求項1に記載の希土類窒化物。
- 平均粒径d、粒子の理論密度ρより算出した比表面積6/ρdとBET法により測定した比表面積Sとの比ρdS/6が20以下であることを特徴とする請求項1または2に記載の希土類窒化物。
- Mは、Nd(ネオジム)、Gd(ガドリニウム)、Dy(ディスプロシウム)、Ho(ホルミウム)、Tb(テルビウム)およびEr(エルビウム)から選択される1種以上の元素からなることを特徴とする請求項1〜3に記載の希土類窒化物。
- Mは、2種以上の希土類元素からなることを特徴とする請求項1〜4のいずれかに記載の希土類窒化物。
- MNは、GdXDy1−XN、GdXTb1−XNおよびHoXTb1−XN(いずれの式においても、xは0より大きく、1未満の数値である)のいずれかで表されることを特徴とする請求項1〜5に記載の希土類窒化物。
- Mの球状金属粒子を窒化することを特徴とする請求項1〜6に記載の希土類窒化物の製造方法。
- 請求項1〜6記載の希土類窒化物を含有する磁気冷凍材料。
- 請求項1〜6記載の希土類窒化物を含有する蓄冷材料。
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JP2009196020A JP5509731B2 (ja) | 2008-08-04 | 2009-08-04 | 希土類窒化物およびその製造方法、ならびに磁気冷凍材料および蓄冷材料 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102466364A (zh) * | 2010-11-05 | 2012-05-23 | 中国科学院理化技术研究所 | 一种磁制冷工质床及制备方法 |
CN104499056A (zh) * | 2015-01-14 | 2015-04-08 | 厦门大学 | 二水合四羟基氧化二钆及其制备与应用 |
JP2017511294A (ja) * | 2014-04-02 | 2017-04-20 | フランク ナタリ | ドープト希土類窒化物材料および同材料を含むデバイス |
JP2018173268A (ja) * | 2012-10-09 | 2018-11-08 | 株式会社東芝 | コールドヘッドの製造方法 |
US10611638B2 (en) | 2014-03-21 | 2020-04-07 | Höganäs Ab (Publ) | Process for manufacturing a metal carbide, nitride, boride, or silicide in powder form |
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JPS60131810A (ja) * | 1983-12-19 | 1985-07-13 | Toshiba Tungaloy Co Ltd | 窒化イツトリウムの製造方法 |
JPH07247106A (ja) * | 1993-11-02 | 1995-09-26 | Hc Starck Gmbh & Co Kg | 金属、合金および金属化合物の微細粉末 |
JP2000234108A (ja) * | 1999-02-10 | 2000-08-29 | Agency Of Ind Science & Technol | 球状の金属チタン及びチタン化合物の製造方法 |
JP2005089740A (ja) * | 2003-08-08 | 2005-04-07 | Osaka Industrial Promotion Organization | 磁気冷凍材料および蓄冷材料 |
JP2005330325A (ja) * | 2004-05-18 | 2005-12-02 | Toshiba Corp | 蓄冷材とそれを用いた冷凍機 |
WO2006011590A1 (ja) * | 2004-07-30 | 2006-02-02 | Riken | 熱膨張抑制剤、ゼロ熱膨張材料、負の熱膨張材料、熱膨張抑制方法および熱膨張抑制剤の製造方法 |
-
2009
- 2009-08-04 JP JP2009196020A patent/JP5509731B2/ja active Active
Patent Citations (6)
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JPS60131810A (ja) * | 1983-12-19 | 1985-07-13 | Toshiba Tungaloy Co Ltd | 窒化イツトリウムの製造方法 |
JPH07247106A (ja) * | 1993-11-02 | 1995-09-26 | Hc Starck Gmbh & Co Kg | 金属、合金および金属化合物の微細粉末 |
JP2000234108A (ja) * | 1999-02-10 | 2000-08-29 | Agency Of Ind Science & Technol | 球状の金属チタン及びチタン化合物の製造方法 |
JP2005089740A (ja) * | 2003-08-08 | 2005-04-07 | Osaka Industrial Promotion Organization | 磁気冷凍材料および蓄冷材料 |
JP2005330325A (ja) * | 2004-05-18 | 2005-12-02 | Toshiba Corp | 蓄冷材とそれを用いた冷凍機 |
WO2006011590A1 (ja) * | 2004-07-30 | 2006-02-02 | Riken | 熱膨張抑制剤、ゼロ熱膨張材料、負の熱膨張材料、熱膨張抑制方法および熱膨張抑制剤の製造方法 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102466364A (zh) * | 2010-11-05 | 2012-05-23 | 中国科学院理化技术研究所 | 一种磁制冷工质床及制备方法 |
CN102466364B (zh) * | 2010-11-05 | 2013-10-16 | 中国科学院理化技术研究所 | 一种磁制冷工质床及制备方法 |
JP2018173268A (ja) * | 2012-10-09 | 2018-11-08 | 株式会社東芝 | コールドヘッドの製造方法 |
JP2019196902A (ja) * | 2012-10-09 | 2019-11-14 | 株式会社東芝 | Gm式冷凍機 |
US10513646B2 (en) | 2012-10-09 | 2019-12-24 | Kabushiki Kaisha Toshiba | Rare earth regenerator material particle, rare earth regenerator material particle group, and cold head, superconducting magnet, examination apparatus, and cryopump using the same |
US11015101B2 (en) | 2012-10-09 | 2021-05-25 | Kabushiki Kaisha Toshiba | Rare earth regenerator material particle, rare earth regenerator material particle group, and cold head, superconducting magnet, examination apparatus, and cryopump using the same |
US11692117B2 (en) | 2012-10-09 | 2023-07-04 | Kabushiki Kaisha Toshiba | Rare earth regenerator material particle, rare earth regenerator material particle group, and cold head, superconducting magnet, examination apparatus, and cryopump using the same |
US10611638B2 (en) | 2014-03-21 | 2020-04-07 | Höganäs Ab (Publ) | Process for manufacturing a metal carbide, nitride, boride, or silicide in powder form |
JP2017511294A (ja) * | 2014-04-02 | 2017-04-20 | フランク ナタリ | ドープト希土類窒化物材料および同材料を含むデバイス |
US10415153B2 (en) | 2014-04-02 | 2019-09-17 | Franck Natali | Doped rare earth nitride materials and devices comprising same |
CN104499056A (zh) * | 2015-01-14 | 2015-04-08 | 厦门大学 | 二水合四羟基氧化二钆及其制备与应用 |
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