SU618032A3 - Ферромагнитный материал - Google Patents
Ферромагнитный материалInfo
- Publication number
- SU618032A3 SU618032A3 SU731906422A SU1906422A SU618032A3 SU 618032 A3 SU618032 A3 SU 618032A3 SU 731906422 A SU731906422 A SU 731906422A SU 1906422 A SU1906422 A SU 1906422A SU 618032 A3 SU618032 A3 SU 618032A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- ferromagnetic material
- yttrium
- strontium
- barium
- element selected
- Prior art date
Links
- 239000003302 ferromagnetic material Substances 0.000 title claims 2
- 230000005415 magnetization Effects 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 229910052788 barium Inorganic materials 0.000 claims 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims 2
- 229910052746 lanthanum Inorganic materials 0.000 claims 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims 2
- 229910052712 strontium Inorganic materials 0.000 claims 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims 2
- 229910052727 yttrium Inorganic materials 0.000 claims 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims 2
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 230000006698 induction Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 241000863929 Naxa Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229940090961 chromium dioxide Drugs 0.000 description 1
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 description 1
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70636—CrO2
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/02—Oxides or hydrates thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/02—Oxides or hydrates thereof
- C01G37/027—Chromium dioxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/74—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by peak-intensities or a ratio thereof only
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/82—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by IR- or Raman-data
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
- C01P2006/82—Compositional purity water content
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Magnetic Record Carriers (AREA)
Description
при давлении 80-1000 атм в присутствии кислорода. . Полученный таким образом твердый раствор на основе двуокиси хрома состоит из частиц иглообразной с тетрагональной кристаллической структурой типа рутила, имеющих длину до 2 мк« среднюю длину от 0,2 до 0,5 мк, соотношение длины к ширине от 2tl до 30tl и более, при среднем осевом соотнщцении в основном в диапазоне ot 4tl до 8il. Полученный твердый раствор состоит из частиц о одннаковыми магнитными свойствами.
Свойства предложенного материала следующие t
Коэрцитивна сила (Не), эДО 440
Ма t( снмаль н а ма гнитна индукци , го 5120-5422 Намагниченность насьааени ,6(.вД сгсм 83-88 Остаточна индукци , ГС2266-3022
Отношение величины остаточной намагниченности it величине намагниченности насышгни 0 ,44-0,57.
В таблице приведены магнитные войства в зависимости от типа легиующей добавки.
Claims (1)
- Формула изобретениФерромагнитный материал на основе хрсм , содержасций ккслород и легИ руюадую добавку, отличающийс ч тем, что, с целью повышени намагииченности насьааенн , в качестве легирующей дойавки вз т по крайней мере один элемент, выбранный из группы, содержащей лантан, иттрий, стронций, барий при следукхкем соотношени к 14понентоа, Bec.liПо крайней мере один элемент, выбранный из группы, содержай ей лантан , иттрий, стронций, барий 05-1Кислород37,7-38,25iPOMОстальноеИсточники информации, прин тые во внимание.при экспертизе:i. Патент ФРГ №1771869, кл. 60 В а/095, 1972.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT23466/72A IT956230B (it) | 1972-04-22 | 1972-04-22 | Composizione di biossido di cromo ferromagnetico modificato e p oces so di preparazione |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU618032A3 true SU618032A3 (ru) | 1978-07-30 |
Family
ID=11207341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU731906422A SU618032A3 (ru) | 1972-04-22 | 1973-04-20 | Ферромагнитный материал |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US3874923A (ru) |
| JP (1) | JPS5216718B2 (ru) |
| AT (1) | AT340369B (ru) |
| AU (1) | AU469323B2 (ru) |
| BE (1) | BE798513A (ru) |
| CA (1) | CA998240A (ru) |
| CS (1) | CS177128B2 (ru) |
| DD (1) | DD104068A5 (ru) |
| DE (1) | DE2319572A1 (ru) |
| ES (1) | ES413927A1 (ru) |
| FR (1) | FR2181888B1 (ru) |
| GB (1) | GB1426526A (ru) |
| IT (1) | IT956230B (ru) |
| NL (1) | NL158960C (ru) |
| SE (1) | SE389422B (ru) |
| SU (1) | SU618032A3 (ru) |
| ZA (1) | ZA732605B (ru) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4128691A (en) * | 1974-02-21 | 1978-12-05 | Fuji Photo Film Co., Ltd. | Process for the production of a magnetic recording medium |
| IT1012202B (it) * | 1974-05-09 | 1977-03-10 | Montedison Spa | Procedimento per la produzione di biossido di cromo ferromagnetico |
| IT1045191B (it) * | 1975-10-31 | 1980-05-10 | Montedison Spa | Procedimento per la produzione di biossido di cromo ferromagnetico |
| JPS54135416A (en) * | 1978-04-12 | 1979-10-20 | Kuninori Maruyama | Portion material for roof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1467238A1 (ru) * | 1963-07-24 | 1969-01-23 | ||
| DE1771867B1 (de) * | 1968-02-23 | 1972-02-03 | Matsushita Electric Ind Co Ltd | Tellur calcium modifiziertes chromdioxid |
| GB1312812A (en) * | 1969-06-20 | 1973-04-11 | Nippon Chemical Ind | Process for preparing magnetic chromium dioxide |
| JPS4843436B1 (ru) * | 1970-10-20 | 1973-12-18 |
-
1972
- 1972-04-22 IT IT23466/72A patent/IT956230B/it active
-
1973
- 1973-04-11 US US350033A patent/US3874923A/en not_active Expired - Lifetime
- 1973-04-13 NL NL7305188A patent/NL158960C/xx active
- 1973-04-13 SE SE7305260A patent/SE389422B/xx unknown
- 1973-04-16 AU AU54557/73A patent/AU469323B2/en not_active Expired
- 1973-04-16 ZA ZA732605A patent/ZA732605B/xx unknown
- 1973-04-17 FR FR7313860A patent/FR2181888B1/fr not_active Expired
- 1973-04-18 DE DE2319572A patent/DE2319572A1/de active Pending
- 1973-04-19 GB GB1918673A patent/GB1426526A/en not_active Expired
- 1973-04-19 CA CA169,929A patent/CA998240A/en not_active Expired
- 1973-04-19 ES ES413927A patent/ES413927A1/es not_active Expired
- 1973-04-19 AT AT353173A patent/AT340369B/de not_active IP Right Cessation
- 1973-04-20 SU SU731906422A patent/SU618032A3/ru active
- 1973-04-20 CS CS2897A patent/CS177128B2/cs unknown
- 1973-04-20 BE BE130243A patent/BE798513A/xx unknown
- 1973-04-23 DD DD170349A patent/DD104068A5/xx unknown
- 1973-04-23 JP JP48046034A patent/JPS5216718B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5216718B2 (ru) | 1977-05-11 |
| DD104068A5 (ru) | 1974-02-20 |
| CS177128B2 (ru) | 1977-07-29 |
| ES413927A1 (es) | 1976-02-01 |
| DE2319572A1 (de) | 1973-10-31 |
| FR2181888A1 (ru) | 1973-12-07 |
| AT340369B (de) | 1977-12-12 |
| JPS4961089A (ru) | 1974-06-13 |
| ATA353173A (de) | 1977-04-15 |
| CA998240A (en) | 1976-10-12 |
| NL7305188A (ru) | 1973-10-24 |
| FR2181888B1 (ru) | 1976-11-12 |
| IT956230B (it) | 1973-10-10 |
| NL158960C (ru) | 1979-05-15 |
| AU469323B2 (en) | 1976-02-12 |
| BE798513A (fr) | 1973-10-22 |
| ZA732605B (en) | 1974-03-27 |
| GB1426526A (en) | 1976-03-03 |
| SE389422B (sv) | 1976-11-01 |
| US3874923A (en) | 1975-04-01 |
| AU5455773A (en) | 1974-10-17 |
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