JP4824095B2 - 磁気粘性流体 - Google Patents
磁気粘性流体 Download PDFInfo
- Publication number
- JP4824095B2 JP4824095B2 JP2009059272A JP2009059272A JP4824095B2 JP 4824095 B2 JP4824095 B2 JP 4824095B2 JP 2009059272 A JP2009059272 A JP 2009059272A JP 2009059272 A JP2009059272 A JP 2009059272A JP 4824095 B2 JP4824095 B2 JP 4824095B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic particles
- particles
- magnetic
- magnetorheological fluid
- dispersion medium
- 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.)
- Active
Links
- 239000012530 fluid Substances 0.000 title claims description 34
- 239000006249 magnetic particle Substances 0.000 claims description 90
- 239000002245 particle Substances 0.000 claims description 43
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 37
- 229910052799 carbon Inorganic materials 0.000 claims description 37
- 239000011248 coating agent Substances 0.000 claims description 30
- 238000000576 coating method Methods 0.000 claims description 30
- 239000002612 dispersion medium Substances 0.000 claims description 29
- 239000002082 metal nanoparticle Substances 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 31
- 239000007789 gas Substances 0.000 description 15
- 229910052742 iron Inorganic materials 0.000 description 15
- 238000000034 method Methods 0.000 description 15
- 239000002253 acid Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 239000002105 nanoparticle Substances 0.000 description 5
- 229920002545 silicone oil Polymers 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 125000001165 hydrophobic group Chemical group 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000002923 metal particle Substances 0.000 description 3
- 229920000620 organic polymer Polymers 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Landscapes
- Soft Magnetic Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Description
11 プラズマトーチ
16 粒子捕集器
18 アークプラズマ
21 金属材料
Claims (1)
- 磁性粒子と、該磁性粒子を分散させる分散媒とを含有する磁気粘性流体であって、
前記磁性粒子の表面が炭素被膜で覆われており、
前記磁性粒子は、ナノサイズの磁化可能な金属ナノ粒子からなり、
前記磁性粒子の平均粒子径が10nm以上500nm以下であり、
前記炭素被膜の厚みが2nm以上15nm以下であることを特徴とする磁気粘性流体。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009059272A JP4824095B2 (ja) | 2009-03-12 | 2009-03-12 | 磁気粘性流体 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009059272A JP4824095B2 (ja) | 2009-03-12 | 2009-03-12 | 磁気粘性流体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010212580A JP2010212580A (ja) | 2010-09-24 |
JP4824095B2 true JP4824095B2 (ja) | 2011-11-24 |
Family
ID=42972433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009059272A Active JP4824095B2 (ja) | 2009-03-12 | 2009-03-12 | 磁気粘性流体 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4824095B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5194196B2 (ja) | 2011-03-08 | 2013-05-08 | 株式会社栗本鐵工所 | 磁気粘性流体及びこれを用いたクラッチ |
JP5695588B2 (ja) * | 2012-03-01 | 2015-04-08 | 株式会社栗本鐵工所 | 磁気粘性流体及びこれを用いたクラッチ |
KR101269407B1 (ko) | 2012-11-05 | 2013-05-30 | 한국기계연구원 | 탄소피막이 형성된 구리분말의 제조방법 |
JP6057938B2 (ja) | 2014-03-20 | 2017-01-11 | 株式会社栗本鐵工所 | 磁気粘性流体及びこれを用いたクラッチ |
CA2930514C (en) | 2014-06-20 | 2017-08-08 | Shoei Chemical Inc. | Carbon-coated metal powder, method for manufacturing thereof,and applications of the powder in electronic components |
CN107552805B (zh) * | 2017-09-07 | 2020-04-03 | 北京工业大学 | 一种成分和粒度可调控的钐钴化合物纳米颗粒的制备方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6320032A (ja) * | 1986-07-14 | 1988-01-27 | Res Dev Corp Of Japan | 被膜を有する超微粒子の製造法 |
JPH02236278A (ja) * | 1986-07-14 | 1990-09-19 | Res Dev Corp Of Japan | 超微紛体の超薄膜被覆法 |
JPS6320480A (ja) * | 1986-07-14 | 1988-01-28 | Res Dev Corp Of Japan | 粉体または繊維状物質の表面処理法とその装置 |
JPH0269904A (ja) * | 1988-09-05 | 1990-03-08 | Mitsubishi Petrochem Co Ltd | 改質磁性金属粉末の製造法 |
JPH02115306A (ja) * | 1988-10-21 | 1990-04-27 | Nippon Steel Corp | カーボンによって被覆された金属超微粒子の製造方法 |
JP2782589B2 (ja) * | 1995-09-25 | 1998-08-06 | 工業技術院長 | 鉄−炭素複合強磁性微粒子の製造方法 |
JP3482420B2 (ja) * | 1995-11-27 | 2003-12-22 | 独立行政法人産業技術総合研究所 | グラファイト被覆金属粒子及びその製造方法 |
JP3081915B2 (ja) * | 1997-09-30 | 2000-08-28 | 工業技術院長 | 金属−炭素複合微粒子の製造方法 |
NL1008528C2 (nl) * | 1998-03-09 | 1999-09-10 | Univ Utrecht | Ferromagnetische deeltjes. |
JP4001710B2 (ja) * | 2000-10-18 | 2007-10-31 | 東洋鋼鈑株式会社 | 分離精製・抽出用粒子状担体及びその製造方法 |
JP4317982B2 (ja) * | 2002-10-18 | 2009-08-19 | 大阪瓦斯株式会社 | 磁性流体 |
-
2009
- 2009-03-12 JP JP2009059272A patent/JP4824095B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2010212580A (ja) | 2010-09-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4824095B2 (ja) | 磁気粘性流体 | |
Afzal et al. | An overview on the effect of ultrasonication duration on different properties of nanofluids | |
Khan et al. | A review of influence of nanoparticle synthesis and geometrical parameters on thermophysical properties and stability of nanofluids | |
JP5125202B2 (ja) | Niナノ粒子の製造方法 | |
JP4675398B2 (ja) | 磁気粘性流体及び磁気粘性流体の製造方法 | |
KR101091272B1 (ko) | 탄소나노튜브와 금속으로 이루어진 나노복합분말의 제조방법 | |
JP5194196B2 (ja) | 磁気粘性流体及びこれを用いたクラッチ | |
JP2008517147A (ja) | 炭素と金属とのナノ材料組成物および合成 | |
JP5695588B2 (ja) | 磁気粘性流体及びこれを用いたクラッチ | |
JP6057938B2 (ja) | 磁気粘性流体及びこれを用いたクラッチ | |
Sahu et al. | Investigation on copper nanofluid obtained through micro electrical discharge machining for dispersion stability and thermal conductivity | |
Koti et al. | Friction and wear characteristics of copper nanocomposites reinforced with uncoated and nickel coated carbon nanotubes | |
Joshi et al. | Fabrication and applications of fullerene-based metal nanocomposites: A review | |
Ding et al. | Fabrication of W–1 wt.% TiC composites by spark plasma sintering | |
KR20140068817A (ko) | 나노입자를 이용한 균질 분산 카본나노튜브-알루미늄 복합분말의 제조방법 | |
JP2008038163A5 (ja) | ||
Rahman Salari et al. | Preparation of cobalt oxide and tin dioxide nanofluids and investigation of their thermophysical properties | |
Kobayashi et al. | Preparation of CuO nanoparticles by metal salt-base reaction in aqueous solution and their metallic bonding property | |
CN113223912A (zh) | 低功函数材料修饰的碳纳米材料功能化针尖及其制备方法 | |
Hu et al. | Inorganic fullerene-like nanoparticles produced by arc discharge in water with potential lubricating ability | |
Zhang et al. | MoS2 nanowires as additives of PFPE for enhanced tribological properties under high vacuum | |
Rismana et al. | Preparation of amine-modified Fe3O4/carbon nanoparticles by submerged arc discharge in ethylenediamine/ethanol | |
JP5913154B2 (ja) | 磁気粘性流体及びこれを用いたクラッチ | |
JP4851772B2 (ja) | 導電性磁性流体及びその用途 | |
Vasilev et al. | Morphology and dispersion of FeCo alloy nanoparticles dispersed in a matrix of IR pyrolized polyvinyl alcohol |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110111 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110303 |
|
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: 20110823 |
|
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: 20110907 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4824095 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140916 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |