GB981962A - Improvements in or relating to solid current conducting elements for use in the production of aluminium and methods of manufacturing such elements - Google Patents

Improvements in or relating to solid current conducting elements for use in the production of aluminium and methods of manufacturing such elements

Info

Publication number
GB981962A
GB981962A GB4085360A GB4085360A GB981962A GB 981962 A GB981962 A GB 981962A GB 4085360 A GB4085360 A GB 4085360A GB 4085360 A GB4085360 A GB 4085360A GB 981962 A GB981962 A GB 981962A
Authority
GB
United Kingdom
Prior art keywords
weight
carbon
exceed
elements
aluminium
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
Application number
GB4085360A
Inventor
Charles Eric Ransley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Aluminum Co Ltd
Original Assignee
British Aluminum Co Ltd
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.)
Filing date
Publication date
Application filed by British Aluminum Co Ltd filed Critical British Aluminum Co Ltd
Priority to GB4085360A priority Critical patent/GB981962A/en
Priority to FR880183A priority patent/FR1311473A/en
Priority to DEB64968A priority patent/DE1204835B/en
Priority to CH1383961A priority patent/CH416128A/en
Publication of GB981962A publication Critical patent/GB981962A/en
Priority to US523300A priority patent/US3314876A/en
Priority to US535902A priority patent/US3330756A/en
Expired legal-status Critical Current

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
    • C04B35/622—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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/5805—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides
    • C04B35/58064—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides
    • C04B35/58071—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides based on titanium borides
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
    • C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
    • C25C3/16—Electric current supply devices, e.g. bus bars
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors

Abstract

Electrodes for use in the electrolytic reduction of aluminium comprise the carbide and/or boride of titanium having an oxygen impurity content in combined form less than 0.1% by weight of combined acid-soluble carbon when this is 0.4% by weight, and (0.1+0.04xN)% of oxygen when the carbon exceeds 0.4% by weight, where n=percentage by weight of acid soluble carbon. Preferably the electrode contains 2-40% of titanium carbide and in examples 10% is specified. The balance between O and C renders the electrode stable and less prone to penetration by molten aluminium. Nitrogen should not exceed 0.3% by weight of combined carbon at 0.4% up to 1% for carbon at 20%. Iron should not exceed 0.5% by weight. The ratio of total chemically combined oxygen, probably TiO2, to carbon-available, should not exceed 1:33. The electrodes are made from powdered materials, averaging 6m , which are then cold pressed and sintered, or hot pressed at 1800-2100 DEG C. The porosity should not exceed 10% by volume. Arrangements of the electrodes in furnaces are illustrated. Specifications 784,695, 784,696, 802,471, 802,905, 826,635 and 898,062 are referred to.
GB4085360A 1951-05-04 1960-11-28 Improvements in or relating to solid current conducting elements for use in the production of aluminium and methods of manufacturing such elements Expired GB981962A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB4085360A GB981962A (en) 1960-11-28 1960-11-28 Improvements in or relating to solid current conducting elements for use in the production of aluminium and methods of manufacturing such elements
FR880183A FR1311473A (en) 1960-11-28 1961-11-27 Improvements to current conducting elements used in the production of aluminum and processes for manufacturing these elements
DEB64968A DE1204835B (en) 1960-11-28 1961-11-27 Solid current-carrying element for use in the electrolytic extraction of aluminum
CH1383961A CH416128A (en) 1960-11-28 1961-11-28 Solid current-conducting element, method of manufacturing this element and powder for implementing this method
US523300A US3314876A (en) 1960-11-28 1966-01-27 Method for manufacturing solid current conducting elements
US535902A US3330756A (en) 1951-05-04 1966-03-21 Current conducting elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4085360A GB981962A (en) 1960-11-28 1960-11-28 Improvements in or relating to solid current conducting elements for use in the production of aluminium and methods of manufacturing such elements

Publications (1)

Publication Number Publication Date
GB981962A true GB981962A (en) 1965-02-03

Family

ID=10416937

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4085360A Expired GB981962A (en) 1951-05-04 1960-11-28 Improvements in or relating to solid current conducting elements for use in the production of aluminium and methods of manufacturing such elements

Country Status (3)

Country Link
CH (1) CH416128A (en)
DE (1) DE1204835B (en)
GB (1) GB981962A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2103246A (en) * 1981-07-01 1983-02-16 Diamond Shamrock Corp Electrolytic production of aluminum

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT182530B (en) * 1951-05-04 1955-07-11 British Aluminium Co Ltd Cathode for electrolytic reduction cells for the production of metallic aluminum and the cell equipped therewith as well as process for the production of these cathodes
AT182531B (en) * 1951-08-03 1955-07-11 British Aluminium Co Ltd Power supply for an electrolysis cell for the production or refining of aluminum as well as cells equipped with it and processes for producing these power supplies
AT196136B (en) * 1954-01-14 1958-02-25 British Aluminium Co Ltd Current-carrying element for electrolytic cells for the production or cleaning of aluminum
AT208606B (en) * 1957-01-16 1960-04-25 British Aluminium Co Ltd Solid conductor and process for its manufacture
GB898602A (en) * 1957-05-01 1962-06-14 British Aluminium Co Ltd Improvements in or relating to electrolytic cells for the production of metals

Also Published As

Publication number Publication date
CH416128A (en) 1966-06-30
DE1204835B (en) 1965-11-11

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