DE1696425B1 - Verfahren zur Herstellung eines polykristallinen Ferritkoerpers - Google Patents
Verfahren zur Herstellung eines polykristallinen FerritkoerpersInfo
- Publication number
- DE1696425B1 DE1696425B1 DE19631696425 DE1696425A DE1696425B1 DE 1696425 B1 DE1696425 B1 DE 1696425B1 DE 19631696425 DE19631696425 DE 19631696425 DE 1696425 A DE1696425 A DE 1696425A DE 1696425 B1 DE1696425 B1 DE 1696425B1
- Authority
- DE
- Germany
- Prior art keywords
- percent
- sintered
- weight
- starting mixture
- less
- 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.)
- Withdrawn
Links
- 229910000859 α-Fe Inorganic materials 0.000 title claims description 29
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000000034 method Methods 0.000 title claims description 10
- 239000000203 mixture Substances 0.000 claims description 47
- 238000005245 sintering Methods 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 239000012535 impurity Substances 0.000 description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 24
- 239000004484 Briquette Substances 0.000 description 21
- 238000002360 preparation method Methods 0.000 description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 14
- 238000001035 drying Methods 0.000 description 12
- 238000001914 filtration Methods 0.000 description 12
- 239000013078 crystal Substances 0.000 description 9
- 239000000843 powder Substances 0.000 description 9
- 230000035699 permeability Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 229910000008 nickel(II) carbonate Inorganic materials 0.000 description 4
- ZULUUIKRFGGGTL-UHFFFAOYSA-L nickel(ii) carbonate Chemical compound [Ni+2].[O-]C([O-])=O ZULUUIKRFGGGTL-UHFFFAOYSA-L 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910021446 cobalt carbonate Inorganic materials 0.000 description 2
- ZOTKGJBKKKVBJZ-UHFFFAOYSA-L cobalt(2+);carbonate Chemical compound [Co+2].[O-]C([O-])=O ZOTKGJBKKKVBJZ-UHFFFAOYSA-L 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 229910000480 nickel oxide Inorganic materials 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000005749 Copper compound Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910007541 Zn O Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001869 cobalt compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000001880 copper compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- 229940093474 manganese carbonate Drugs 0.000 description 1
- 235000006748 manganese carbonate Nutrition 0.000 description 1
- 239000011656 manganese carbonate Substances 0.000 description 1
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 description 1
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002816 nickel compounds Chemical class 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004018 waxing Methods 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
- C04B35/265—Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt
-
- 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
- C04B35/2658—Other ferrites containing manganese or zinc, e.g. Mn-Zn 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
- C04B35/2666—Other ferrites containing nickel, copper or cobalt
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Magnetic Ceramics (AREA)
- Soft Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL282192 | 1962-08-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1696425B1 true DE1696425B1 (de) | 1970-01-15 |
Family
ID=19754048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19631696425 Withdrawn DE1696425B1 (de) | 1962-08-16 | 1963-08-13 | Verfahren zur Herstellung eines polykristallinen Ferritkoerpers |
Country Status (12)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007009740A1 (de) * | 2007-02-28 | 2008-09-04 | Siemens Ag | Verfahren zum Herstellen eines magnetischen Keramikmaterials und Verwendung des Keramikmaterials |
| DE10055634B4 (de) * | 1999-11-11 | 2011-12-08 | Murata Mfg. Co., Ltd. | Induktivitätselemente auf Keramikbasis und diese verwendende Baugruppen |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2165011A5 (enrdf_load_stackoverflow) * | 1971-12-14 | 1973-08-03 | Thomson Csf | |
| JPS5386076A (en) * | 1976-12-30 | 1978-07-29 | Morinaga & Co | Continuous rice cracker rolling apparatus |
| US6057649A (en) * | 1993-05-11 | 2000-05-02 | U.S. Philips Corporation | Illumination unit, electrodeless low-pressure discharge lamp, and coil suitable for use therein |
| JP3758464B2 (ja) * | 2000-05-12 | 2006-03-22 | 株式会社村田製作所 | 積層電子部品 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR943955A (fr) * | 1946-03-27 | 1949-03-23 | Philips Nv | Bobine de self-induction et noyau magnétique pour hautes fréquences |
-
0
- NL NL136207D patent/NL136207C/xx active
- NL NL282192D patent/NL282192A/xx unknown
-
1963
- 1963-08-13 DE DE19631696425 patent/DE1696425B1/de not_active Withdrawn
- 1963-08-13 SE SE884963A patent/SE218773C1/sv unknown
- 1963-08-13 GB GB31952/63A patent/GB974853A/en not_active Expired
- 1963-08-13 CH CH1000363A patent/CH442550A/de unknown
- 1963-08-13 DK DK386263AA patent/DK117085B/da unknown
- 1963-08-13 AT AT649763A patent/AT252591B/de active
- 1963-08-14 ES ES0290826A patent/ES290826A1/es not_active Expired
- 1963-08-14 JP JP38042845A patent/JPS5218395B1/ja active Pending
- 1963-08-14 FR FR944774A patent/FR1367157A/fr not_active Expired
- 1963-08-14 BE BE636191D patent/BE636191A/xx unknown
-
1964
- 1964-12-16 OA OA50893A patent/OA00814A/xx unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR943955A (fr) * | 1946-03-27 | 1949-03-23 | Philips Nv | Bobine de self-induction et noyau magnétique pour hautes fréquences |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10055634B4 (de) * | 1999-11-11 | 2011-12-08 | Murata Mfg. Co., Ltd. | Induktivitätselemente auf Keramikbasis und diese verwendende Baugruppen |
| DE102007009740A1 (de) * | 2007-02-28 | 2008-09-04 | Siemens Ag | Verfahren zum Herstellen eines magnetischen Keramikmaterials und Verwendung des Keramikmaterials |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1367157A (fr) | 1964-07-17 |
| ES290826A1 (es) | 1964-02-16 |
| JPS5218395B1 (enrdf_load_stackoverflow) | 1977-05-21 |
| BE636191A (enrdf_load_stackoverflow) | 1964-02-14 |
| SE218773C1 (enrdf_load_stackoverflow) | 1968-02-13 |
| GB974853A (en) | 1964-11-11 |
| DK117085B (da) | 1970-03-16 |
| NL282192A (enrdf_load_stackoverflow) | |
| AT252591B (de) | 1967-02-27 |
| OA00814A (fr) | 1967-11-15 |
| NL136207C (enrdf_load_stackoverflow) | |
| CH442550A (de) | 1967-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |