IT1055884B - Procedimento ad arco plasma di prodotti ceramici metallici e simili - Google Patents

Procedimento ad arco plasma di prodotti ceramici metallici e simili

Info

Publication number
IT1055884B
IT1055884B IT20241/76A IT2024176A IT1055884B IT 1055884 B IT1055884 B IT 1055884B IT 20241/76 A IT20241/76 A IT 20241/76A IT 2024176 A IT2024176 A IT 2024176A IT 1055884 B IT1055884 B IT 1055884B
Authority
IT
Italy
Prior art keywords
metallic
plasma arc
ceramic products
similar ceramic
arc procedure
Prior art date
Application number
IT20241/76A
Other languages
English (en)
Inventor
E Marcaccioli
G Perugini
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Priority to IT20241/76A priority Critical patent/IT1055884B/it
Priority to US05/768,572 priority patent/US4164553A/en
Priority to CA271,810A priority patent/CA1072049A/en
Priority to DE19772706251 priority patent/DE2706251A1/de
Priority to GB6725/77A priority patent/GB1578875A/en
Priority to JP1665777A priority patent/JPS52128900A/ja
Priority to FR7704530A priority patent/FR2341389A1/fr
Application granted granted Critical
Publication of IT1055884B publication Critical patent/IT1055884B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C01B32/921—Titanium carbide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
    • B01J12/002—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor carried out in the plasma state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/06—Binary 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B35/00—Boron; Compounds thereof
    • C01B35/02—Boron; Borides
    • C01B35/04—Metal borides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/02—Halides of titanium
    • 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
    • C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
    • C22B4/005—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys using plasma jets
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
    • C22C1/053—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/10—Alloys containing non-metals
    • C22C1/1036—Alloys containing non-metals starting from a melt
    • C22C1/1068—Making hard metals based on borides, carbides, nitrides, oxides or silicides
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/42—Plasma torches using an arc with provisions for introducing materials into the plasma, e.g. powder, liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0894—Processes carried out in the presence of a plasma
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
IT20241/76A 1976-02-17 1976-02-17 Procedimento ad arco plasma di prodotti ceramici metallici e simili IT1055884B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT20241/76A IT1055884B (it) 1976-02-17 1976-02-17 Procedimento ad arco plasma di prodotti ceramici metallici e simili
US05/768,572 US4164553A (en) 1976-02-17 1977-02-14 Plasma arc process for the production of chemical products in power form
CA271,810A CA1072049A (en) 1976-02-17 1977-02-15 Plasma-arc process for production of powders of chemical products
DE19772706251 DE2706251A1 (de) 1976-02-17 1977-02-15 Plasmalichtbogenverfahren fuer die herstellung von pulvern aus keramischem material, metall und aehnlichen produkten
GB6725/77A GB1578875A (en) 1976-02-17 1977-02-17 Process and apparatus for conducting endothermic reactions
JP1665777A JPS52128900A (en) 1976-02-17 1977-02-17 Plasmaarc method for producing particulate ceramic metal and similar products
FR7704530A FR2341389A1 (fr) 1976-02-17 1977-02-17 Procede de production de poudres de produits ceramiques, metalliques ou similaires par arc au plasma

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20241/76A IT1055884B (it) 1976-02-17 1976-02-17 Procedimento ad arco plasma di prodotti ceramici metallici e simili

Publications (1)

Publication Number Publication Date
IT1055884B true IT1055884B (it) 1982-01-11

Family

ID=11165055

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20241/76A IT1055884B (it) 1976-02-17 1976-02-17 Procedimento ad arco plasma di prodotti ceramici metallici e simili

Country Status (7)

Country Link
US (1) US4164553A (it)
JP (1) JPS52128900A (it)
CA (1) CA1072049A (it)
DE (1) DE2706251A1 (it)
FR (1) FR2341389A1 (it)
GB (1) GB1578875A (it)
IT (1) IT1055884B (it)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4102764A (en) * 1976-12-29 1978-07-25 Westinghouse Electric Corp. High purity silicon production by arc heater reduction of silicon intermediates
US4162291A (en) * 1977-10-12 1979-07-24 Westinghouse Electric Corp. Liquid silicon casting control mechanism
JPS55116604A (en) * 1979-03-05 1980-09-08 Asahi Chem Ind Co Ltd Manufacture of finely powdered silicon nitride
GB2119278B (en) * 1982-04-13 1987-04-15 Michael Paul Neary Improvements in or relating to a chemical method
GB2164581A (en) * 1982-04-13 1986-03-26 Michael Paul Neary Chemical method
JPS5950007A (ja) * 1982-09-13 1984-03-22 Toa Nenryo Kogyo Kk 窒化珪素焼結体のための前駆物質とそれを用いた窒化珪素焼結体の製造方法
AT378539B (de) * 1983-08-18 1985-08-26 Voest Alpine Ag Verfahren zur herstellung von metallen oder metallegierungen sowie vorrichtung zur durchfuehrung des verfahrens
FR2555082B1 (fr) * 1983-11-17 1987-06-26 Inst Metallurg Im Baiko Procede plasma-chimique pour la fabrication d'un melange de poudres fines
DE3581293D1 (de) * 1984-02-09 1991-02-21 Toyota Motor Co Ltd Verfahren zur herstellung von ultrafeinen keramikpartikeln.
BE898951A (fr) * 1984-02-17 1984-08-17 Centre Rech Metallurgique Torche a plasma a arc electrique.
JPS60175537A (ja) * 1984-02-22 1985-09-09 Toyota Motor Corp セラミツク超微粒子の製造方法
GB8505597D0 (en) * 1985-03-05 1985-04-03 Maghemite Inc Furnaces
US4672171A (en) * 1985-03-21 1987-06-09 United Centrifugal Pumps Plasma transfer welded arc torch
FR2591412A1 (fr) * 1985-12-10 1987-06-12 Air Liquide Procede de fabrication de poudres et reacteur etanche a plasma micro-onde
JPS62171903A (ja) * 1986-01-24 1987-07-28 Nec Corp 窒化アルミニウムと炭化アルミニウムよりなる混合微粉末の合成方法
JPS62171902A (ja) * 1986-01-24 1987-07-28 Nec Corp 窒化アルミニウムと炭化アルミニウムよりなる混合微粉末の合成方法
GB2196956A (en) * 1986-11-04 1988-05-11 Toyo Kohan Co Ltd Process and apparatus for the production of rapidly solidified powders of high melting point ceramics
US4851262A (en) * 1987-05-27 1989-07-25 Carnegie-Mellon University Method of making carbide, nitride and boride powders
JP2624736B2 (ja) * 1988-01-14 1997-06-25 株式会社東芝 半導体装置の製造方法
US5749937A (en) * 1995-03-14 1998-05-12 Lockheed Idaho Technologies Company Fast quench reactor and method
US7576296B2 (en) * 1995-03-14 2009-08-18 Battelle Energy Alliance, Llc Thermal synthesis apparatus
US6821500B2 (en) 1995-03-14 2004-11-23 Bechtel Bwxt Idaho, Llc Thermal synthesis apparatus and process
US6569397B1 (en) 2000-02-15 2003-05-27 Tapesh Yadav Very high purity fine powders and methods to produce such powders
CA2212471C (en) * 1997-08-06 2003-04-01 Tony Addona A method of forming an oxide ceramic anode in a transferred plasma arc reactor
US6395197B1 (en) * 1999-12-21 2002-05-28 Bechtel Bwxt Idaho Llc Hydrogen and elemental carbon production from natural gas and other hydrocarbons
US6994837B2 (en) * 2001-04-24 2006-02-07 Tekna Plasma Systems, Inc. Plasma synthesis of metal oxide nanopowder and apparatus therefor
US7354561B2 (en) * 2004-11-17 2008-04-08 Battelle Energy Alliance, Llc Chemical reactor and method for chemically converting a first material into a second material
WO2007086973A2 (en) * 2005-11-04 2007-08-02 Rutgers, The State University Of New Jersey High temperature reactor for the production of nanophase wc/co powder
GB0819359D0 (en) * 2008-10-22 2008-11-26 Intrinsiq Materials Ltd Plasma torch
US8591821B2 (en) * 2009-04-23 2013-11-26 Battelle Energy Alliance, Llc Combustion flame-plasma hybrid reactor systems, and chemical reactant sources

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1328326A (fr) * 1961-12-01 1963-05-31 Dispositif pour la fusion des produits réfractaires pulvérulents au chalumeau à plasma
DE1250796B (de) * 1963-08-13 1967-09-28 Ciba Aktiengesellschaft, Basel (Schweiz) Verfahren zur Herstellung von feinteiligen, nicht pyrophoren Carbiden von Metallen oder Metalloiden der III., IV., V. oder VI. Gruppe des Periodischen Systems
US3485586A (en) * 1968-09-26 1969-12-23 Ppg Industries Inc Preparation of submicron titanium carbide
US3661524A (en) * 1970-04-14 1972-05-09 Ppg Industries Inc Preparation of titanium carbide
SE347765B (it) * 1970-05-27 1972-08-14 Nordstjernan Rederi Ab
US3761576A (en) * 1970-08-24 1973-09-25 Ppg Industries Inc Preparation of titanium carbide
US3839542A (en) * 1971-01-04 1974-10-01 American Cyanamid Co Method of making sub-micron particles of metal carbides of enlarged and controlled particle size
BE791550A (fr) * 1971-11-20 1973-03-16 Max Planck Gesellschaft Procede et dispositif pour le traitement d'un materiau au moyendu plasma d'un arc electrique
US3960545A (en) * 1975-03-24 1976-06-01 Gte Sylvania Incorporated Cermet plasma flame spray powder, method for producing same and articles produced therefrom

Also Published As

Publication number Publication date
CA1072049A (en) 1980-02-19
DE2706251A1 (de) 1977-08-18
FR2341389A1 (fr) 1977-09-16
FR2341389B1 (it) 1980-04-18
GB1578875A (en) 1980-11-12
US4164553A (en) 1979-08-14
JPS52128900A (en) 1977-10-28

Similar Documents

Publication Publication Date Title
IT1055884B (it) Procedimento ad arco plasma di prodotti ceramici metallici e simili
JPS5224270A (en) Manufacture of metal* metallceramtc* or ceramic sponge
GB1543821A (en) Elastomers of the ethylene-propylene-termonomers and articles comprising such elastomers
PL211889A1 (pl) Chlodzona obudowa pieca lukowego
IT1095209B (it) Metodo di saldatura ad arco e relativo cannello di saldatura
AU2436077A (en) Treatment of metallic surfaces
IT1028218B (it) Procedimento e dispositivo per il rivestimento per elettroforesidi pezzi metallici
IT7920486A0 (it) Compensazione di generatori varcircuito di comando di statici e metodo per il suo impiego, particolarmente per forni ad arco.
ZA802229B (en) Treatment of gas
IT1083740B (it) Procedimento ed apparecchio di saldatura ad arco elettrico
JPS5314717A (en) Ceramic products and manufacture
RO71125A (ro) Procedeu si dispozitiv pentru indepartarea defectelor de pe suprafatasemifabricatelor metalice
IT1079339B (it) Procedimento per il trattamento di gas da forni di cokeria
GR59990B (en) Process and disposition for the treatment of gas elements traversing an area
NZ185892A (en) Manufacture of ceramic products particularly bricks
JPS5444672A (en) Manufacture of benzotriazole and benzotriazoleennoxide
JPS52117909A (en) Manufacture of ceramic products
JPS524512A (en) Manufacture of ceramic products
IT1031669B (it) Forni ad arco elettrico e particolari forme di refrattari per gli stessi
FI54328C (fi) Foerfarande och anordning foer tillsaettning av fast pulver- eller kornformigt material i smaelt metall
AU1416476A (en) Cooling and the washing of gases
IT7967401A0 (it) Composizione e procedimento per la arcatura di oggetti metallici caldi
IT1069596B (it) Procedimento per l isolamento di selenio e mercurio da prodotti metallurgici
SE422655B (sv) Forfarande for lodning av dentalaterstellningsmedel och dentallod for genomforande av forfarandet
JPS55121978A (en) Bonding structure of ceramic and metal