DK0697383T3 - - Google Patents

Info

Publication number: DK0697383T3
Authority: DK; Denmark
Prior art keywords: ferrite; powdery; vitrification agent; compact; producing
Prior art date: 1993-06-14

Application number

DK94112833.2T

Other languages

English (en)

Inventor

Yasunori Takahashi

Original Assignee

Yasunori Takahashi

Priority date (The priority date 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 date listed.)

1993-06-14

Filing date

1994-08-17

Publication date

1997-02-24

1994-08-17 Application filed by Yasunori Takahashi filed Critical Yasunori Takahashi

1997-02-24 Application granted granted Critical

1997-02-24 Publication of DK0697383T3 publication Critical patent/DK0697383T3/da

Links

229910000859 α-Fe Inorganic materials 0.000 abstract 7
238000004017 vitrification Methods 0.000 abstract 4
238000000034 method Methods 0.000 abstract 3
238000002844 melting Methods 0.000 abstract 2
230000008018 melting Effects 0.000 abstract 2
229910001047 Hard ferrite Inorganic materials 0.000 abstract 1
230000008602 contraction Effects 0.000 abstract 1
238000010438 heat treatment Methods 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1
239000002994 raw material Substances 0.000 abstract 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
- 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
- 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
- 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
- C04B35/2625—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 magnesium
- 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
- C04B35/2633—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 barium, strontium or calcium
- 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
- C04B35/2641—Compositions containing one or more ferrites of the group comprising rare earth metals and one or more ferrites of the group comprising alkali metals, alkaline earth metals or lead
- 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
- 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
- C04B35/2675—Other ferrites containing rare earth metals, e.g. rare earth ferrite garnets
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
- C04B35/645—Pressure sintering
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/36—Glass starting materials for making ceramics, e.g. silica glass
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Ceramic Engineering (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Structural Engineering (AREA)
Inorganic Chemistry (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Soft Magnetic Materials (AREA)
Magnetic Ceramics (AREA)
Compounds Of Iron (AREA)
Compositions Of Oxide Ceramics (AREA)
Hard Magnetic Materials (AREA)

DK94112833.2T 1993-06-14 1994-08-17 DK0697383T3 (da)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP5165901A JPH0774009A (ja)	1993-06-14	1993-06-14	フェライト成形体の製造法
EP94112833A EP0697383B1 (en)	1993-06-14	1994-08-17	Method of preparing a ferrite compact
CN94116833.6A CN1118506A (zh)	1993-06-14	1994-09-07	铁素体的粉末烧结体的制造方法

Publications (1)

Publication Number	Publication Date
DK0697383T3 true DK0697383T3 (da)	1997-02-24

Family

ID=37076185

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK94112833.2T DK0697383T3 (da)	1993-06-14	1994-08-17

Country Status (7)

Country	Link
EP (1)	EP0697383B1 (da)
JP (1)	JPH0774009A (da)
CN (1)	CN1118506A (da)
AT (1)	ATE148439T1 (da)
DE (1)	DE69401655T2 (da)
DK (1)	DK0697383T3 (da)
ES (1)	ES2097590T3 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPWO2005040047A1 (ja) *	2003-10-27	2007-11-22	アクア・エナジー株式会社	還元水素水の製造方法とその製造装置
CN107218805A (zh) *	2017-07-07	2017-09-29	金川集团股份有限公司	一种粉体材料的防腐蚀动态多层煅烧炉
CN109599240B (zh) *	2018-11-21	2020-09-18	湖南金泓电子科技有限责任公司	一种铁氧体类软磁粉芯及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1068610B (de) *	1956-03-06	1959-11-05	LIC1ENTIA Patent-VerwaHtungs-G.mib.H., Hamburg	Verfahren, zur Herstellung von Dauermagneten auf Oxydbasis
NL6403461A (da) *	1963-05-27	1964-11-30
JPS58135609A (ja) *	1982-02-08	1983-08-12	Hitachi Metals Ltd	フエライト磁性材料の製造方法
JPS59172202A (ja) *	1983-03-22	1984-09-28	秩父セメント株式会社	電圧非直線性抵抗体の製造方法
JPS602129A (ja) *	1983-06-21	1985-01-08	宇部興産株式会社	岩虫の卵の精製法

1993
- 1993-06-14 JP JP5165901A patent/JPH0774009A/ja active Pending
1994
- 1994-08-17 DE DE69401655T patent/DE69401655T2/de not_active Expired - Fee Related
- 1994-08-17 AT AT94112833T patent/ATE148439T1/de not_active IP Right Cessation
- 1994-08-17 ES ES94112833T patent/ES2097590T3/es not_active Expired - Lifetime
- 1994-08-17 EP EP94112833A patent/EP0697383B1/en not_active Expired - Lifetime
- 1994-08-17 DK DK94112833.2T patent/DK0697383T3/da active
- 1994-09-07 CN CN94116833.6A patent/CN1118506A/zh active Pending

Also Published As

Publication number	Publication date
EP0697383B1 (en)	1997-01-29
ATE148439T1 (de)	1997-02-15
DE69401655D1 (de)	1997-03-13
DE69401655T2 (de)	1997-05-15
CN1118506A (zh)	1996-03-13
JPH0774009A (ja)	1995-03-17
EP0697383A1 (en)	1996-02-21
ES2097590T3 (es)	1997-04-01

Publication	Publication Date	Title
AU7299498A (en)	1998-06-10	Process for making a dense ceramic workpiece
GR3002836T3 (en)	1993-01-25	Process and apparatus for manufacturing refractory materials by induction
US4587163B1 (da)	1990-04-03
DK0765199T3 (da)	2000-08-14	Jernpulverkomponenter indeholdende termoplastisk harpiks og fremgangsmåde til fremstilling deraf
HUT53282A (en)	1990-10-28	Process for producing granulated pharmaceutical compositions
ES447698A2 (es)	1977-07-01	Un metodo para la produccion de cuerpos previamente moldea- dos de metal en polvo cocidos.
CA2306805A1 (en)	1999-04-29	Method and apparatus for making metallic iron
WO1990015785A1 (fr)	1990-12-27	Methode de frittage d'une ceramique
DE3363892D1 (en)	1986-07-10	Process for producing refractory powder
ES8405347A1 (es)	1984-06-16	Procedimiento e instalacion para el tratamiento termico de un material de grano fino precalentado y ampliamente calcinado
ES2097590T3 (es)	1997-04-01	Procedimiento de preparacion de un compacto de ferrita.
NO304776B1 (no)	1999-02-15	Fremgangsmaate for varmebehandling av brukte foringer fra Hall-Heroult-elekt
NO942647D0 (no)	1994-07-14	Fremgangsmåte for fremstilling av formlegemer med varmeisolerende egenskaper
MY132909A (en)	2007-10-31	Production process for ring shaped resin bonded magnet member
AU633938B2 (en)	1993-02-11	Method for the manufacture of moulded blanks of raw material
DE3376112D1 (en)	1988-05-05	Method of making a fibre-reinforced composite ceramic material
ES8302614A1 (es)	1982-12-16	Perfeccionamientos introducidos en el proceso de fabricacion de fibras ceramicas que contienen materiales granulados, refractarios o resistentes al fuego.
JPS57188601A (en)	1982-11-19	Strengthening method for green compact in powder metallurgy
JPS57136971A (en)	1982-08-24	Covered part forming method for coil spring
JPH0153236B2 (da)	1989-11-13
EP0358530A3 (en)	1990-12-19	Novel method for producing ceramic bodies
DE3378044D1 (en)	1988-10-27	Method of making an anisotropic silicon nitride comprising object by use of higher density and fully reacted preforms
GB2103249B (en)	1986-07-23	Method of producing castings using reduced iron as raw material, melting furnace and briquette used as raw material for castings
Saiki et al.	1991	Processes for Producing Silicon Carbide Particles and Sinter
JPS5691960A (en)	1981-07-25	Production of mold