JPH0125214B2 - - Google Patents
Info
- Publication number
- JPH0125214B2 JPH0125214B2 JP54054697A JP5469779A JPH0125214B2 JP H0125214 B2 JPH0125214 B2 JP H0125214B2 JP 54054697 A JP54054697 A JP 54054697A JP 5469779 A JP5469779 A JP 5469779A JP H0125214 B2 JPH0125214 B2 JP H0125214B2
- Authority
- JP
- Japan
- Prior art keywords
- sintering
- bismuth
- powder
- hours
- resistivity
- 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.)
- Expired
Links
- 239000000463 material Substances 0.000 claims description 23
- 239000000843 powder Substances 0.000 claims description 15
- 230000035699 permeability Effects 0.000 claims description 14
- 238000005245 sintering Methods 0.000 claims description 14
- 229910052797 bismuth Inorganic materials 0.000 claims description 13
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 9
- 239000011701 zinc Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000007858 starting material Substances 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 229910001308 Zinc ferrite Inorganic materials 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- AFFOZVUXTLTQPD-UHFFFAOYSA-N [Zn].[Ti].[Li] Chemical compound [Zn].[Ti].[Li] AFFOZVUXTLTQPD-UHFFFAOYSA-N 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 229940036348 bismuth carbonate Drugs 0.000 claims description 2
- GMZOPRQQINFLPQ-UHFFFAOYSA-H dibismuth;tricarbonate Chemical compound [Bi+3].[Bi+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O GMZOPRQQINFLPQ-UHFFFAOYSA-H 0.000 claims description 2
- 239000002019 doping agent Substances 0.000 claims description 2
- 238000010298 pulverizing process Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 239000012071 phase Substances 0.000 description 13
- 229910052742 iron Inorganic materials 0.000 description 8
- 229910000859 α-Fe Inorganic materials 0.000 description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 7
- 239000011572 manganese Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 238000000227 grinding Methods 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- 206010022971 Iron Deficiencies Diseases 0.000 description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 229910052748 manganese Inorganic materials 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical group [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910001035 Soft ferrite Inorganic materials 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000013081 microcrystal Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 108010046685 Rho Factor Proteins 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001621 bismuth Chemical class 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
- 238000006114 decarboxylation reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000004621 scanning probe microscopy Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009897 systematic effect Effects 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
- C04B35/2616—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing lithium
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Magnetic Ceramics (AREA)
- Soft Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7812902A FR2425135A1 (fr) | 1978-05-02 | 1978-05-02 | Ferrite doux de lithium-titane-zinc et deflecteur magnetique utilisant un tel ferrite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54145996A JPS54145996A (en) | 1979-11-14 |
| JPH0125214B2 true JPH0125214B2 (cs) | 1989-05-16 |
Family
ID=9207802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5469779A Granted JPS54145996A (en) | 1978-05-02 | 1979-05-02 | Soft litiummtitaniummzinc ferrite and electromagnetic deflector employing same |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS54145996A (cs) |
| BE (1) | BE875912A (cs) |
| DE (1) | DE2917602A1 (cs) |
| FR (1) | FR2425135A1 (cs) |
| GB (1) | GB2019828B (cs) |
| IT (1) | IT1116056B (cs) |
| NL (1) | NL7903402A (cs) |
| PT (1) | PT69567A (cs) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS564209A (en) * | 1979-06-26 | 1981-01-17 | Tdk Corp | Manufacture of oxide core for discharge-lamp light source |
| EP0139324B1 (en) * | 1983-09-12 | 1988-01-07 | Koninklijke Philips Electronics N.V. | Magnet core of li-zn-mn ferrite |
| EP0140409B1 (de) * | 1983-09-12 | 1988-11-23 | Koninklijke Philips Electronics N.V. | Magnetkern auf der Basis von Lithium-Zink-Mangan-Ferrit |
| NL8402601A (nl) * | 1984-08-27 | 1986-03-17 | Philips Nv | Magneetkern op basis van lithium-zink-mangaan ferriet. |
| WO2002023561A1 (fr) * | 2000-09-14 | 2002-03-21 | Matsushita Electric Works, Ltd. | Dispositif electromagnetique, dispositif generant une haute tension et procede de production dudit dispositif electromagnetique |
| JPWO2007032338A1 (ja) | 2005-09-13 | 2009-03-19 | 日立金属株式会社 | フェライト材料 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5284200A (en) * | 1975-10-24 | 1977-07-13 | Thomson Csf | Ferrite based on spinel structure lithum substituted with zinc and titanium |
| JPS5297000A (en) * | 1976-02-10 | 1977-08-15 | Tohoku Metal Ind Ltd | Lithium system ferrite |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3630912A (en) * | 1969-10-03 | 1971-12-28 | Ampex | Lithium titanium bismuth ferrites |
| FR2269506B1 (cs) * | 1974-05-03 | 1977-06-24 | Thomson Csf |
-
1978
- 1978-05-02 FR FR7812902A patent/FR2425135A1/fr active Granted
-
1979
- 1979-04-27 BE BE0/194881A patent/BE875912A/xx not_active IP Right Cessation
- 1979-04-30 DE DE19792917602 patent/DE2917602A1/de active Granted
- 1979-04-30 GB GB7914997A patent/GB2019828B/en not_active Expired
- 1979-04-30 IT IT48896/79A patent/IT1116056B/it active
- 1979-04-30 PT PT69567A patent/PT69567A/pt unknown
- 1979-05-01 NL NL7903402A patent/NL7903402A/xx not_active Application Discontinuation
- 1979-05-02 JP JP5469779A patent/JPS54145996A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5284200A (en) * | 1975-10-24 | 1977-07-13 | Thomson Csf | Ferrite based on spinel structure lithum substituted with zinc and titanium |
| JPS5297000A (en) * | 1976-02-10 | 1977-08-15 | Tohoku Metal Ind Ltd | Lithium system ferrite |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2425135B1 (cs) | 1981-09-11 |
| IT7948896A0 (it) | 1979-04-30 |
| IT1116056B (it) | 1986-02-10 |
| NL7903402A (nl) | 1979-11-06 |
| FR2425135A1 (fr) | 1979-11-30 |
| DE2917602A1 (de) | 1979-11-08 |
| BE875912A (fr) | 1979-10-29 |
| GB2019828A (en) | 1979-11-07 |
| GB2019828B (en) | 1982-07-14 |
| JPS54145996A (en) | 1979-11-14 |
| PT69567A (fr) | 1979-05-01 |
| DE2917602C2 (cs) | 1989-05-18 |
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