BE767271A - Procede de controle de la dimension et de la forme des grains de poudres metalliques - Google Patents

Procede de controle de la dimension et de la forme des grains de poudres metalliques

Info

Publication number
BE767271A
BE767271A BE767271A BE767271A BE767271A BE 767271 A BE767271 A BE 767271A BE 767271 A BE767271 A BE 767271A BE 767271 A BE767271 A BE 767271A BE 767271 A BE767271 A BE 767271A
Authority
BE
Belgium
Prior art keywords
grains
checking
size
shape
metal powder
Prior art date
Application number
BE767271A
Other languages
English (en)
Original Assignee
Nordstjernan Rederi Ab
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 Nordstjernan Rederi Ab filed Critical Nordstjernan Rederi Ab
Publication of BE767271A publication Critical patent/BE767271A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B35/00Boron; Compounds thereof
    • C01B35/02Boron; Borides
    • C01B35/04Metal borides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/16Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/28Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from gaseous metal compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/06Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
    • C01B21/0615Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with transition metals other than titanium, zirconium or hafnium
    • C01B21/0617Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with transition metals other than titanium, zirconium or hafnium with vanadium, niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/06Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
    • C01B21/0615Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with transition metals other than titanium, zirconium or hafnium
    • C01B21/062Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with transition metals other than titanium, zirconium or hafnium with chromium, molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/06Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
    • C01B21/076Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with titanium or zirconium or hafnium
    • C01B21/0763Preparation from titanium, zirconium or hafnium halides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/90Carbides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
BE767271A 1970-05-27 1971-05-17 Procede de controle de la dimension et de la forme des grains de poudres metalliques BE767271A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE07275/70A SE347765B (fr) 1970-05-27 1970-05-27

Publications (1)

Publication Number Publication Date
BE767271A true BE767271A (fr) 1971-10-18

Family

ID=20270926

Family Applications (1)

Application Number Title Priority Date Filing Date
BE767271A BE767271A (fr) 1970-05-27 1971-05-17 Procede de controle de la dimension et de la forme des grains de poudres metalliques

Country Status (7)

Country Link
US (1) US3723601A (fr)
BE (1) BE767271A (fr)
DE (1) DE2125018A1 (fr)
FR (1) FR2093781A5 (fr)
GB (1) GB1342981A (fr)
SE (1) SE347765B (fr)
ZA (1) ZA713349B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4282195A (en) * 1975-02-03 1981-08-04 Ppg Industries, Inc. Submicron titanium boride powder and method for preparing same
US4022872A (en) * 1975-11-12 1977-05-10 Ppg Industries, Inc. Process for preparing finely-divided refractory powders
IT1055884B (it) * 1976-02-17 1982-01-11 Montedison Spa Procedimento ad arco plasma di prodotti ceramici metallici e simili
US4353885A (en) * 1979-02-12 1982-10-12 Ppg Industries, Inc. Titanium diboride article and method for preparing same
US4503021A (en) * 1983-04-26 1985-03-05 The United States Of America As Represented By The Department Of Energy Preparation of titanium diboride powder
JPS60151273A (ja) * 1984-01-19 1985-08-09 トヨタ自動車株式会社 セラミツク被膜付き金属化合物の微粉末の製造方法
US4528119A (en) * 1984-06-28 1985-07-09 Eltech Systems Corporation Metal borides, carbides, nitrides, silicides, oxide materials and their method of preparation
JPH0643243B2 (ja) * 1988-03-10 1994-06-08 セントラル硝子株式会社 タングステンカーバイトの製造方法
JP3137940B2 (ja) * 1998-02-04 2001-02-26 大塚化学株式会社 カーボン被覆窒化チタン含有チタニア粉末及びその製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3341320A (en) * 1966-04-05 1967-09-12 Seymour H Smiley Production of low particle size-high surface area metal powders
SE327556B (fr) * 1968-08-23 1970-08-24 Nordstjernan Rederi Ab
US3671220A (en) * 1969-05-19 1972-06-20 Nordstjernan Rederi Ab Process for the production of powdered metals

Also Published As

Publication number Publication date
US3723601A (en) 1973-03-27
GB1342981A (en) 1974-01-10
ZA713349B (en) 1972-01-26
FR2093781A5 (fr) 1972-01-28
DE2125018A1 (de) 1971-12-09
SE347765B (fr) 1972-08-14

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