GB885607A - A process for the heat treatment of a solid metal object - Google Patents

A process for the heat treatment of a solid metal object

Info

Publication number
GB885607A
GB885607A GB33723/59A GB3372359A GB885607A GB 885607 A GB885607 A GB 885607A GB 33723/59 A GB33723/59 A GB 33723/59A GB 3372359 A GB3372359 A GB 3372359A GB 885607 A GB885607 A GB 885607A
Authority
GB
United Kingdom
Prior art keywords
heat treatment
solid metal
metal object
nitrided
fluidizing
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB33723/59A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TO A KAKO KK
Original Assignee
TO A KAKO KK
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 TO A KAKO KK filed Critical TO A KAKO KK
Publication of GB885607A publication Critical patent/GB885607A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/60—Heating arrangements wherein the heating current flows through granular powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/42—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed subjected to electric current or to radiations this sub-group includes the fluidised bed subjected to electric or magnetic fields
    • 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
    • C21D1/34—Methods of heating
    • C21D1/40—Direct resistance heating
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • 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
    • C23C8/24—Nitriding
    • C23C8/26—Nitriding of ferrous surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D13/00—Heat-exchange apparatus using a fluidised bed

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)
  • Resistance Heating (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Electrostatic Spraying Apparatus (AREA)

Abstract

Fine particles of steel are nitrided by fluidizing with ammonia gas in an electric fluidized bed heating apparatus (see Group XI).
GB33723/59A 1959-04-27 1959-10-05 A process for the heat treatment of a solid metal object Expired GB885607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1353159 1959-04-27

Publications (1)

Publication Number Publication Date
GB885607A true GB885607A (en) 1961-12-28

Family

ID=11835728

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33723/59A Expired GB885607A (en) 1959-04-27 1959-10-05 A process for the heat treatment of a solid metal object

Country Status (8)

Country Link
US (1) US3025385A (en)
AT (1) AT219735B (en)
BE (1) BE589173A (en)
CH (1) CH381778A (en)
DE (2) DE1801748U (en)
FR (1) FR1233467A (en)
GB (1) GB885607A (en)
NL (2) NL121306C (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3136836A (en) * 1960-12-08 1964-06-09 Kokusai Electric Co Ltd Fluid powder electric furnace
US3137781A (en) * 1960-12-17 1964-06-16 Kokusai Electric Co Ltd Fluid-motion powder, electric bath furnace
US3184530A (en) * 1961-03-04 1965-05-18 Properzi Ilario Process for the melting of metals, for example copper, and an electric furnace for the performance of said process
US3183293A (en) * 1961-08-11 1965-05-11 Ling Temco Vought Inc Electric furnace
NL273415A (en) * 1962-01-10
US3305661A (en) * 1964-02-03 1967-02-21 Shawinigan Chem Ltd Operation of electrically heated fluidized beds
US3448234A (en) * 1966-08-31 1969-06-03 Battelle Development Corp Electrical resistivity control of fluidized beds
US3510563A (en) * 1968-05-03 1970-05-05 Kelsey Hayes Co Chip drying method and apparatus
US3652426A (en) * 1969-10-06 1972-03-28 Marathon Oil Co Process and apparatus for removal of volatile matter by electrical resistance heating
US3749805A (en) * 1971-11-26 1973-07-31 Sola Basic Ind Inc Fluid bed furnace
EP0001118B1 (en) * 1977-09-08 1981-12-02 National Research Development Corporation Electric contact device
US5188649A (en) * 1991-08-07 1993-02-23 Pedro Buarque de Macedo Process for vitrifying asbestos containing waste, infectious waste, toxic materials and radioactive waste
US5678236A (en) * 1996-01-23 1997-10-14 Pedro Buarque De Macedo Method and apparatus for eliminating volatiles or airborne entrainments when vitrifying radioactive and/or hazardous waste
US7327951B2 (en) * 2005-04-21 2008-02-05 Ivanhoe Chaput Instant water heater with PTC plastic conductive electrodes
DE102007035200A1 (en) * 2006-07-26 2008-02-07 Venta-Luftwäscher GmbH Device for the treatment of water for an atomizer or evaporator, comprises two ceramic electrodes, which are alternatively applied as anode and as cathode on a plus pole and/or a minus pole of a current source, and a container
US10314112B2 (en) 2015-11-06 2019-06-04 The United States Of America As Represented By Secretary Of The Navy Self-regulating packed-powder resistive heater
EP4108739A1 (en) 2021-06-21 2022-12-28 TotalEnergies OneTech Process for the incorporation of co2 into hydrocarbons

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US441401A (en) * 1890-11-25 Mark w
US749418A (en) * 1904-01-12 Method of making carbon articles
FR689165A (en) * 1930-01-31 1930-09-03 Method of heating metals and other electrically conductive bodies, with a view to fusion, welding, incandescence, etc.
DE941089C (en) * 1954-04-20 1956-08-02 Walter Dr-Ing Reinecken Contact device for the supply of electrical currents to moving, metallic profile material

Also Published As

Publication number Publication date
BE589173A (en) 1960-07-18
NL121306C (en) 1966-05-16
AT219735B (en) 1962-02-12
DE1801748U (en) 1959-12-10
NL250808A (en) 1966-05-16
CH381778A (en) 1964-09-15
DE1180385B (en) 1964-10-29
US3025385A (en) 1962-03-13
FR1233467A (en) 1960-10-12

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