GB959406A - Improvements in or relating to ferromagnetic materials and processes for producing the same - Google Patents
Improvements in or relating to ferromagnetic materials and processes for producing the sameInfo
- Publication number
- GB959406A GB959406A GB2977761A GB2977761A GB959406A GB 959406 A GB959406 A GB 959406A GB 2977761 A GB2977761 A GB 2977761A GB 2977761 A GB2977761 A GB 2977761A GB 959406 A GB959406 A GB 959406A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glass
- ferrite
- relating
- processes
- producing
- 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
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
- C04B35/2691—Other ferrites containing alkaline metals
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0081—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition having a magnetic crystal phase
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
- H01F1/36—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
- H01F1/37—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Power Engineering (AREA)
- Glass Compositions (AREA)
Abstract
A ferromagnetic material includes a b -eucryptite phase and a ferrite phase. A glass batch to be melted and devitrified is so chosen as to include b -eucryptite constituents (SiO2 56.12; Al2O3 40.41 and Li2O 3.47 in weights per cent) and such that ferrite nuclei are formed during the meeting, or the batch may have added ferrite powder. Glass and ferrite powders may be mixed, fused and the resulting glass subsequently devitrified. Small additions of Li2CO3; Na2O; K2O, B2O3 may be mixed with the glass and small quantities of T1O2 to assist crystallization of the glass.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES70056A DE1130349B (en) | 1960-08-24 | 1960-08-24 | Ferromagnetic body with high thermal shock resistance and process for its manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB959406A true GB959406A (en) | 1964-06-03 |
Family
ID=7501420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2977761A Expired GB959406A (en) | 1960-08-24 | 1961-08-17 | Improvements in or relating to ferromagnetic materials and processes for producing the same |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1130349B (en) |
| GB (1) | GB959406A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860748A (en) * | 2021-11-05 | 2021-12-31 | 齐鲁工业大学 | Ferrimagnetic foam glass-ceramic and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19740353C2 (en) * | 1997-09-13 | 2001-06-07 | Inst Physikalische Hochtech Ev | Compact magnetic glass-ceramic molded body with a high fill factor of magnetic particles and a process for its production |
-
1960
- 1960-08-24 DE DES70056A patent/DE1130349B/en active Pending
-
1961
- 1961-08-17 GB GB2977761A patent/GB959406A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860748A (en) * | 2021-11-05 | 2021-12-31 | 齐鲁工业大学 | Ferrimagnetic foam glass-ceramic and preparation method thereof |
| CN113860748B (en) * | 2021-11-05 | 2023-06-09 | 齐鲁工业大学 | Ferrimagnetic foam microcrystalline glass and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1130349B (en) | 1962-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1010513A (en) | Improvements in or relating to crystalline glass and to methods of making the same | |
| GB866376A (en) | Improvements in or relating to processes for producing semi-conductor devices | |
| GB891495A (en) | Improvements in or relating to glass | |
| GB810773A (en) | Improvements relating to glass | |
| GB1456478A (en) | Process for manufacturing a sealing glass | |
| GB818958A (en) | Glass-batches and method of preparation | |
| GB1005921A (en) | Improvements relating to magnetic recording heads | |
| GB855944A (en) | Glass composition and method of making it | |
| GB959406A (en) | Improvements in or relating to ferromagnetic materials and processes for producing the same | |
| GB765244A (en) | Improvements in or relating to the manufacture of mineral fibres or threads which are stable to weathering, decay, efflorescence or disintegration | |
| ES329615A1 (en) | Procedure for the manufacture of opal phosphate glasses. (Machine-translation by Google Translate, not legally binding) | |
| SE304462B (en) | ||
| GB791374A (en) | Alkali-resistant silicate glass | |
| GB922848A (en) | Production of sulphate opal glasses | |
| ES296217A1 (en) | Glass compositions | |
| GB1357063A (en) | Manufacture of borosilicate glasses | |
| GB848296A (en) | Improvements in the manufacture of glass | |
| GB1428880A (en) | Phototropic glass | |
| GB836348A (en) | Glass composition | |
| GB876016A (en) | Glass suitable for fusion with an iron-cobalt-nickel alloy | |
| GB839691A (en) | Method of producing permanent magnets substantially consisting of metallic oxides | |
| JPS56145133A (en) | Making method of vacuum double bottle | |
| GB1104847A (en) | Low melting point glass | |
| GB594394A (en) | Improvements in crystal contacts of which one element is silicon | |
| GB1183684A (en) | Improvements in or relating to Glasses |