ZA797062B - Processes for the heat treatment of steel and methods for monitoring the said treatment - Google Patents

Processes for the heat treatment of steel and methods for monitoring the said treatment

Info

Publication number
ZA797062B
ZA797062B ZA00797062A ZA797062A ZA797062B ZA 797062 B ZA797062 B ZA 797062B ZA 00797062 A ZA00797062 A ZA 00797062A ZA 797062 A ZA797062 A ZA 797062A ZA 797062 B ZA797062 B ZA 797062B
Authority
ZA
South Africa
Prior art keywords
treatment
monitoring
steel
processes
methods
Prior art date
Application number
ZA00797062A
Other languages
English (en)
Inventor
M Kostelitz
Original Assignee
Air Liquide
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 Air Liquide filed Critical Air Liquide
Publication of ZA797062B publication Critical patent/ZA797062B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C8/00—Solid 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
    • C23C8/06—Solid 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
    • C23C8/28—Solid 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
    • C23C8/30—Carbo-nitriding
    • C23C8/32—Carbo-nitriding of ferrous surfaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C8/00—Solid 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
    • C23C8/06—Solid 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
    • C23C8/08—Solid 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
    • C23C8/20—Carburising
    • C23C8/22—Carburising 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)
ZA00797062A 1979-01-15 1979-12-28 Processes for the heat treatment of steel and methods for monitoring the said treatment ZA797062B (en)

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
ZA797062B true ZA797062B (en) 1980-11-26

Family

ID=9220744

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00797062A ZA797062B (en) 1979-01-15 1979-12-28 Processes for the heat treatment of steel and methods for monitoring the said treatment

Country Status (13)

Country Link
US (1) US4322255A (US07223432-20070529-C00017.png)
EP (1) EP0013654A1 (US07223432-20070529-C00017.png)
JP (2) JPS5597465A (US07223432-20070529-C00017.png)
AR (1) AR221133A1 (US07223432-20070529-C00017.png)
AU (1) AU524217B2 (US07223432-20070529-C00017.png)
BE (1) BE881119R (US07223432-20070529-C00017.png)
BR (1) BR8000212A (US07223432-20070529-C00017.png)
CA (1) CA1146844A (US07223432-20070529-C00017.png)
ES (1) ES8105036A2 (US07223432-20070529-C00017.png)
FR (1) FR2446322A2 (US07223432-20070529-C00017.png)
IT (1) IT1130857B (US07223432-20070529-C00017.png)
LU (1) LU82080A1 (US07223432-20070529-C00017.png)
ZA (1) ZA797062B (US07223432-20070529-C00017.png)

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 (US07223432-20070529-C00017.png) * 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 (US07223432-20070529-C00017.png) * 1961-07-17 1900-01-01
FR1578942A (US07223432-20070529-C00017.png) * 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 (US07223432-20070529-C00017.png) * 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
AR221133A1 (es) 1980-12-30
BR8000212A (pt) 1980-09-30
JPH0356304B2 (US07223432-20070529-C00017.png) 1991-08-27
JPS5597465A (en) 1980-07-24
IT1130857B (it) 1986-06-18
AU524217B2 (en) 1982-09-02
AU5444980A (en) 1980-07-24
ES487618A0 (es) 1981-04-01
FR2446322A2 (fr) 1980-08-08
ES8105036A2 (es) 1981-04-01
CA1146844A (fr) 1983-05-24
LU82080A1 (fr) 1980-04-23
IT8019164A0 (it) 1980-01-11
US4322255A (en) 1982-03-30
BE881119R (fr) 1980-07-11
FR2446322B2 (US07223432-20070529-C00017.png) 1981-05-29
JPS63241158A (ja) 1988-10-06
EP0013654A1 (fr) 1980-07-23

Similar Documents

Publication Publication Date Title
JPS541390A (en) Method and installations for treating composite material of used tire or the like
ZA797062B (en) Processes for the heat treatment of steel and methods for monitoring the said treatment
GB2064210B (en) Apparatus for monitoring and/or controlling plasma processes
JPS5495908A (en) Method and apparatus for heat treatment
JPS57123926A (en) Steel heat treatment
DE3071210D1 (en) Heat treatment process and apparatus
GB2077788B (en) Method and apparatus for the compressive treatment of fabric
DE2861105D1 (en) Method and apparatus for the thermal treatment of yarns
GB2002245B (en) Process and apparatus for the treatment of thermosensitive substances
DE3276583D1 (en) Maraging superalloys and heat treatment processes
GB2061694B (en) Apparatus for heat treatment of milk and the like
DE3277112D1 (en) Apparatus and method for the heat treatment of materials
DE3167571D1 (en) Process for the thermal treatment of pulverized catalysts and catalyst-intermediates
IL54359A (en) Process for the thermal treatment and the quenching of forged articles
JPS55128576A (en) Heat treatment of metal
JPS5442703A (en) Steel rim and manufacturing method of the same
ZA801497B (en) Process for the manufacture of steel and converter for carrying out the process
JPS5410220A (en) Heat treatment method of steel pipes
JPS5456907A (en) Heat treating of steel
DE2967142D1 (en) Method and apparatus for the manufacture of fusecord
JPS52101613A (en) Process for heat treatment of thick steel plates
AU2833177A (en) Method and apparatus for the heat treatment of workpieces generally
JPS53146233A (en) Carburizing heat treatment method of steel
JPS52111438A (en) Method of partly solid solution treatment for stainless steel pipes and the like
JPS5494413A (en) Heat treatment of steel plate and the like