JPH0440318B2 - - Google Patents
Info
- Publication number
- JPH0440318B2 JPH0440318B2 JP25249585A JP25249585A JPH0440318B2 JP H0440318 B2 JPH0440318 B2 JP H0440318B2 JP 25249585 A JP25249585 A JP 25249585A JP 25249585 A JP25249585 A JP 25249585A JP H0440318 B2 JPH0440318 B2 JP H0440318B2
- Authority
- JP
- Japan
- Prior art keywords
- ferrite
- temperature
- firing
- single crystal
- polycrystalline
- 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
- 229910000859 α-Fe Inorganic materials 0.000 claims description 285
- 238000010304 firing Methods 0.000 claims description 114
- 239000013078 crystal Substances 0.000 claims description 98
- 239000000463 material Substances 0.000 claims description 60
- 239000012298 atmosphere Substances 0.000 claims description 57
- 239000001301 oxygen Substances 0.000 claims description 56
- 229910052760 oxygen Inorganic materials 0.000 claims description 56
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 55
- 239000000203 mixture Substances 0.000 claims description 52
- 239000011019 hematite Substances 0.000 claims description 50
- 229910052595 hematite Inorganic materials 0.000 claims description 50
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims description 50
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 36
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 35
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 25
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 239000011787 zinc oxide Substances 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000012071 phase Substances 0.000 description 58
- 239000012299 nitrogen atmosphere Substances 0.000 description 56
- 238000003746 solid phase reaction Methods 0.000 description 27
- 238000002425 crystallisation Methods 0.000 description 16
- 230000008025 crystallization Effects 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 13
- 239000000843 powder Substances 0.000 description 13
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 11
- 239000007864 aqueous solution Substances 0.000 description 11
- 238000001816 cooling Methods 0.000 description 11
- 229910017604 nitric acid Inorganic materials 0.000 description 11
- 239000011148 porous material Substances 0.000 description 11
- 238000002441 X-ray diffraction Methods 0.000 description 10
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 10
- 235000006748 manganese carbonate Nutrition 0.000 description 10
- 239000011656 manganese carbonate Substances 0.000 description 10
- 229940093474 manganese carbonate Drugs 0.000 description 10
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 description 10
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 10
- 230000004907 flux Effects 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 229910052697 platinum Inorganic materials 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000011029 spinel Substances 0.000 description 2
- 229910052596 spinel Inorganic materials 0.000 description 2
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 2
- 208000017227 ADan amyloidosis Diseases 0.000 description 1
- 201000000194 ITM2B-related cerebral amyloid angiopathy 2 Diseases 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- -1 inorganic acid salt Chemical class 0.000 description 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000001272 pressureless sintering Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 208000022417 sinus histiocytosis with massive lymphadenopathy Diseases 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Crystals, And After-Treatments Of Crystals (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25249585A JPS62113787A (ja) | 1985-11-11 | 1985-11-11 | 単結晶フェライト体の製造法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25249585A JPS62113787A (ja) | 1985-11-11 | 1985-11-11 | 単結晶フェライト体の製造法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62113787A JPS62113787A (ja) | 1987-05-25 |
JPH0440318B2 true JPH0440318B2 (en]) | 1992-07-02 |
Family
ID=17238166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP25249585A Granted JPS62113787A (ja) | 1985-11-11 | 1985-11-11 | 単結晶フェライト体の製造法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62113787A (en]) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH075438B2 (ja) * | 1989-09-07 | 1995-01-25 | 信越化学工業株式会社 | 接合フェライトの製造方法 |
JPH075439B2 (ja) * | 1989-09-07 | 1995-01-25 | 信越化学工業株式会社 | 接合フェライトの製造方法 |
-
1985
- 1985-11-11 JP JP25249585A patent/JPS62113787A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS62113787A (ja) | 1987-05-25 |
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