BR8000212A - Processo para tratamento termio de aco e processo para o controle do tratamento termico do aco efetuado - Google Patents

Processo para tratamento termio de aco e processo para o controle do tratamento termico do aco efetuado

Info

Publication number
BR8000212A
BR8000212A BR8000212A BR8000212A BR8000212A BR 8000212 A BR8000212 A BR 8000212A BR 8000212 A BR8000212 A BR 8000212A BR 8000212 A BR8000212 A BR 8000212A BR 8000212 A BR8000212 A BR 8000212A
Authority
BR
Brazil
Prior art keywords
steel treatment
control process
steel
treatment control
treatment process
Prior art date
Application number
BR8000212A
Other languages
English (en)
Inventor
M Kostelitz
Original Assignee
Brasil Oxigenio
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 Brasil Oxigenio filed Critical Brasil Oxigenio
Publication of BR8000212A publication Critical patent/BR8000212A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/28Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in one step
    • C23C8/30Carbo-nitriding
    • C23C8/32Carbo-nitriding of ferrous surfaces
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76Adjusting the composition of the atmosphere
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20Carburising
    • C23C8/22Carburising of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
BR8000212A 1979-01-15 1980-01-14 Processo para tratamento termio de aco e processo para o controle do tratamento termico do aco efetuado BR8000212A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7900872A FR2446322A2 (fr) 1979-01-15 1979-01-15 Procede de traitement thermique de l'acier et de controle dudit traitement

Publications (1)

Publication Number Publication Date
BR8000212A true BR8000212A (pt) 1980-09-30

Family

ID=9220744

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8000212A BR8000212A (pt) 1979-01-15 1980-01-14 Processo para tratamento termio de aco e processo para o controle do tratamento termico do aco efetuado

Country Status (13)

Country Link
US (1) US4322255A (pt)
EP (1) EP0013654A1 (pt)
JP (2) JPS5597465A (pt)
AR (1) AR221133A1 (pt)
AU (1) AU524217B2 (pt)
BE (1) BE881119R (pt)
BR (1) BR8000212A (pt)
CA (1) CA1146844A (pt)
ES (1) ES487618A0 (pt)
FR (1) FR2446322A2 (pt)
IT (1) IT1130857B (pt)
LU (1) LU82080A1 (pt)
ZA (1) ZA797062B (pt)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359351A (en) * 1979-10-23 1982-11-16 Air Products And Chemicals, Inc. Protective atmosphere process for annealing and or spheroidizing ferrous metals
US4317687A (en) * 1980-05-12 1982-03-02 Air Products And Chemicals, Inc. Carburizing process utilizing atmospheres generated from nitrogen-ethanol based mixtures
US4436696A (en) 1981-05-20 1984-03-13 Air Products And Chemicals, Inc. Process for providing a uniform carbon distribution in ferrous compacts at high temperatures
US4415379A (en) * 1981-09-15 1983-11-15 The Boc Group, Inc. Heat treatment processes
FR2524006B1 (fr) * 1982-03-23 1985-10-11 Air Liquide Procede de durcissement superficiel de pieces metalliques
FR2527641A1 (fr) * 1982-05-28 1983-12-02 Air Liquide Procede de traitement thermique de pieces metalliques par carburation
US4597807A (en) * 1984-11-13 1986-07-01 Air Products And Chemicals, Inc. Accelerated carburizing method with discrete atmospheres
FR2639252B1 (pt) * 1988-11-24 1990-12-28 Air Liquide
US5168200A (en) * 1989-12-18 1992-12-01 Payne Kenneth R Automatic powered flowmeter valves and control thereof
WO1995029270A1 (en) * 1994-04-25 1995-11-02 Sturm, Ruger & Company, Inc. Method of treating titanium parts
US6074493A (en) * 1994-06-15 2000-06-13 Kawasaki Steel Corporation Method of continuously carburizing metal strip
WO1997014820A1 (en) * 1995-10-18 1997-04-24 Sturm, Ruger & Company, Inc. Method of treating titanium parts
FR2777910B1 (fr) * 1998-04-27 2000-08-25 Air Liquide Procede de regulation du potentiel carbone d'une atmosphere de traitement thermique et procede de traitement thermique mettant en oeuvre une telle regulation
JP3960697B2 (ja) * 1998-12-10 2007-08-15 株式会社日本テクノ 浸炭および浸炭窒化処理方法
DE10003526A1 (de) * 2000-01-27 2001-08-09 Messer Griesheim Gmbh Frankfur Verfahren zum Karbonitrieren von kohlenstoffreichen und hochlegierten Stählen
FR2821362B1 (fr) * 2001-02-23 2003-06-13 Etudes Const Mecaniques Procede de cementation basse pression
DE10221605A1 (de) * 2002-05-15 2003-12-04 Linde Ag Verfahren und Vorrichtung zur Wärmebehandlung metallischer Werkstücke
EP3168314A1 (en) * 2015-11-13 2017-05-17 Air Liquide Deutschland GmbH Method for heat treating metallic work pieces

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1116055A (fr) * 1954-12-18 1956-05-03 Renault Procédé de préparation de gaz pour la cémentation de l'acier ou la protection des aciers contre l'oxydation ou la décarburation
FR67920E (fr) * 1955-06-10 1958-03-26 Renault Procédé de préparation de gaz pour la cémentation de l'acier ou la protection des aciers contre l'oxydation ou la décarburation
FR1150079A (fr) * 1956-04-26 1958-01-07 Renault Procédé de préparation d'atmosphère pour traitement thermique des métaux
US3011873A (en) * 1959-01-30 1961-12-05 Leeds & Northrup Co Measurement and control of constituent potentials
NL121448C (pt) * 1961-07-17 1900-01-01
FR1578942A (pt) * 1968-05-09 1969-08-22
US3693409A (en) * 1970-10-12 1972-09-26 Tokyo Gas Co Ltd Method and apparatus for measuring the carbon potential in gas atmospheres
JPS5120171B2 (pt) * 1971-11-24 1976-06-23
US4035203A (en) * 1973-12-21 1977-07-12 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method for the heat-treatment of steel and for the control of said treatment
DE2402266A1 (de) 1974-01-18 1975-08-07 Messer Griesheim Gmbh Verfahren zur erzeugung und speicherung eines schutzgases zum gluehen von stahl und anderen metallen
FR2285461A1 (fr) * 1974-09-20 1976-04-16 Air Liquide Procede de traitement thermique de l'acier en atmosphere reductrice et non decarburante
US3946817A (en) * 1974-12-23 1976-03-30 Hughes Tool Company Differentially carburized rock bit cutter
US4188242A (en) * 1975-10-16 1980-02-12 Hughes Tool Company Combination carburizing and boronizing methods
US4049472A (en) * 1975-12-22 1977-09-20 Air Products And Chemicals, Inc. Atmosphere compositions and methods of using same for surface treating ferrous metals
JPS5277836A (en) * 1975-12-23 1977-06-30 Fujikoshi Kk Surface treatment of martensitic stainless steel
GB1575342A (en) * 1977-04-27 1980-09-17 Air Prod & Chem Production of furnace atmospheres for the heat treatment of ferrous metals
US4145232A (en) * 1977-06-03 1979-03-20 Union Carbide Corporation Process for carburizing steel
US4175986A (en) * 1978-10-19 1979-11-27 Trw Inc. Inert carrier gas heat treating control process
US4208224A (en) * 1978-11-22 1980-06-17 Airco, Inc. Heat treatment processes utilizing H2 O additions

Also Published As

Publication number Publication date
BE881119R (fr) 1980-07-11
EP0013654A1 (fr) 1980-07-23
AU524217B2 (en) 1982-09-02
ZA797062B (en) 1980-11-26
FR2446322B2 (pt) 1981-05-29
US4322255A (en) 1982-03-30
ES8105036A2 (es) 1981-04-01
FR2446322A2 (fr) 1980-08-08
JPH0356304B2 (pt) 1991-08-27
AU5444980A (en) 1980-07-24
IT8019164A0 (it) 1980-01-11
JPS5597465A (en) 1980-07-24
CA1146844A (fr) 1983-05-24
ES487618A0 (es) 1981-04-01
IT1130857B (it) 1986-06-18
AR221133A1 (es) 1980-12-30
JPS63241158A (ja) 1988-10-06
LU82080A1 (fr) 1980-04-23

Similar Documents

Publication Publication Date Title
BR8000212A (pt) Processo para tratamento termio de aco e processo para o controle do tratamento termico do aco efetuado
BR8109030A (pt) Processo e composicao para o tratamento do acne
BR8603582A (pt) Processo para o tratamento de silica e silica assim obtida
BR7703338A (pt) Processo e ferramenta para aplicacao de fechos prendedore
BR7805276A (pt) Processo e composicao para tratamento de cabelos
BR7800311A (pt) Processo e aparelho para tratamento de documentos
BR7703764A (pt) Processo para o curimento de couro e composicao de curtimento
BR7906963A (pt) Processo para tratamento continuo de chapas de aco e chapa assim obtida
BR8002340A (pt) Processo de fabricao de aco
BR7805925A (pt) Sistema de controle de poluicao e processo para remocao de oxidos de enxofre
BR7804189A (pt) Processo para tratamento de substancias termossensiveis
BR8007864A (pt) Composicao lepidoptericida e processo de controle de lepidopteros
BR7703201A (pt) Processo e dispositivo para o tratamento de material
BR8004692A (pt) Processo para preparacao de ciclo-hexanol e/ou ciclohexanona
BR8002407A (pt) Processo e sistema de controle de refrigerador de absorcao
BR7706024A (pt) Processo para tratamento de escorias metalurgicas
BR8004890A (pt) Processo para tratamento de pseudofoliculite
BR7802893A (pt) Composicao e processo para o tratamento de esmalte dentario com cerio
BR8008028A (pt) Processo para desidrocopulacao de tolueno
BR7702384A (pt) Processo e aparelho para controlar o regime de fluxo de ar de admissao
BR8000199A (pt) Processo e composicao para o tratamento de lentes de contato
BR7901637A (pt) Novolaca modificada,processo para modificacao de novolacas,e aplicacao de tais novolacas
BR8006860A (pt) Aparelho e processo de tratamento termico
BR7704115A (pt) Composicao para o tratamento de papel e processo
BR8307692A (pt) Composicao de tratamento de cabelo e processo para o tratamento de cabelo