NL174714B - Werkwijze voor het omzetten van hexagonaal boornitride in kubisch boornitride en het toepassen hiervan in snijgereedschap. - Google Patents

Werkwijze voor het omzetten van hexagonaal boornitride in kubisch boornitride en het toepassen hiervan in snijgereedschap.

Info

Publication number
NL174714B
NL174714B NLAANVRAGE7208866,B NL174714DB NL174714B NL 174714 B NL174714 B NL 174714B NL 174714D B NL174714D B NL 174714DB NL 174714 B NL174714 B NL 174714B
Authority
NL
Netherlands
Prior art keywords
nitride
procedure
cutting tool
hexagonal boron
boron nitride
Prior art date
Application number
NLAANVRAGE7208866,B
Other languages
English (en)
Dutch (nl)
Original Assignee
Gen Electric
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.)
Publication of NL174714B publication Critical patent/NL174714B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B21/00—Obtaining aluminium
    • C22B21/02—Obtaining aluminium with reducing

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Ceramic Products (AREA)
NLAANVRAGE7208866,B 1951-12-19 Werkwijze voor het omzetten van hexagonaal boornitride in kubisch boornitride en het toepassen hiervan in snijgereedschap. NL174714B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1046537T 1951-12-19

Publications (1)

Publication Number Publication Date
NL174714B true NL174714B (nl)

Family

ID=9592349

Family Applications (2)

Application Number Title Priority Date Filing Date
NL82125D NL82125C (enExample) 1951-12-19
NLAANVRAGE7208866,B NL174714B (nl) 1951-12-19 Werkwijze voor het omzetten van hexagonaal boornitride in kubisch boornitride en het toepassen hiervan in snijgereedschap.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL82125D NL82125C (enExample) 1951-12-19

Country Status (6)

Country Link
US (1) US2776884A (enExample)
CH (1) CH311871A (enExample)
DE (1) DE950815C (enExample)
FR (1) FR1046537A (enExample)
GB (1) GB717481A (enExample)
NL (2) NL174714B (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829961A (en) * 1955-03-14 1958-04-08 Aluminum Co Of America Producing aluminum
US3031294A (en) * 1959-06-15 1962-04-24 Alan W Searcy Aluminum production method
US2974032A (en) * 1960-02-24 1961-03-07 Pechiney Reduction of alumina
US3230072A (en) * 1962-05-04 1966-01-18 Arthur F Johnson Production of aluminum by electro-thermal reduction
DE1289320B (de) * 1964-02-11 1969-02-13 Showa Kenko Kabushiki Kaisha Verfahren zur Herstellung von Aluminium
GB1590431A (en) * 1976-05-28 1981-06-03 Alcan Res & Dev Process for the production of aluminium
US4226618A (en) * 1978-08-21 1980-10-07 Alcan Research And Development Limited Carbothermic production of aluminium
GB2048310A (en) * 1979-04-10 1980-12-10 Alcan Res & Dev Carbothermic production of aluminium
DE2948640C2 (de) * 1979-12-04 1984-12-20 Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn Verfahren und Vorrichtung zur thermischen Gewinnung von Aluminium
DE2951959C2 (de) * 1979-12-22 1985-07-04 Elkem A/S, Oslo Verfahren und Vorrichtung zur Herstellung von Aluminium oder Aluminiumlegierungen durch carbothermische Reduktion von Aluminiumoxid oder Gemischen aus Aluminiumoxid und weiteren Oxiden
US4533386A (en) * 1984-03-27 1985-08-06 Process Development Associates, Inc. Process for producing aluminum
DE4241625C1 (de) * 1992-12-10 1994-06-30 Veitsch Radex Ag Verfahren zur Herstellung von sinteraktivem, weitestgehend sphärischem Aluminiumoxid sowie dessen Verwendung
ATE517844T1 (de) * 2005-07-27 2011-08-15 Thermical Ip Pty Ltd Carbothermische verfahren
US9068246B2 (en) * 2008-12-15 2015-06-30 Alcon Inc. Decarbonization process for carbothermically produced aluminum

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2206562A (en) * 1938-01-11 1940-07-02 Electrochimie Electrometallurg Process for the manufacture of aluminum
US2184705A (en) * 1939-06-22 1939-12-26 Aluminum Co Of America Refining and producing aluminum
US2400000A (en) * 1941-08-02 1946-05-07 Gardner Thermal Corp Production of aluminum

Also Published As

Publication number Publication date
NL82125C (enExample)
GB717481A (en) 1954-10-27
DE950815C (de) 1956-10-18
CH311871A (fr) 1955-12-15
FR1046537A (fr) 1953-12-07
US2776884A (en) 1957-01-08

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