GB885607A - A process for the heat treatment of a solid metal object - Google Patents
A process for the heat treatment of a solid metal objectInfo
- 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
Links
- 238000010438 heat treatment Methods 0.000 title abstract 2
- 239000002184 metal Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000007787 solid Substances 0.000 title 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010419 fine particle Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
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)
- Electrostatic Spraying Apparatus (AREA)
- Carbon And Carbon Compounds (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
Fine particles of steel are nitrided by fluidizing with ammonia gas in an electric fluidized bed heating apparatus (see Group XI).
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)
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)
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 |
-
1959
- 1959-08-26 FR FR803582A patent/FR1233467A/en not_active Expired
- 1959-10-05 GB GB33723/59A patent/GB885607A/en not_active Expired
- 1959-10-19 US US847372A patent/US3025385A/en not_active Expired - Lifetime
- 1959-10-20 DE DET11172U patent/DE1801748U/en not_active Expired
- 1959-10-20 DE DET17365A patent/DE1180385B/en active Pending
-
1960
- 1960-03-26 CH CH341860A patent/CH381778A/en unknown
- 1960-03-29 BE BE589173A patent/BE589173A/en unknown
- 1960-03-30 AT AT243760A patent/AT219735B/en active
- 1960-04-23 NL NL250808A patent/NL121306C/xx active
- 1960-04-23 NL NL250808D patent/NL250808A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1801748U (en) | 1959-12-10 |
NL250808A (en) | 1966-05-16 |
CH381778A (en) | 1964-09-15 |
NL121306C (en) | 1966-05-16 |
US3025385A (en) | 1962-03-13 |
DE1180385B (en) | 1964-10-29 |
BE589173A (en) | 1960-07-18 |
FR1233467A (en) | 1960-10-12 |
AT219735B (en) | 1962-02-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB885607A (en) | A process for the heat treatment of a solid metal object | |
MY6300006A (en) | Agglomeration process for pulverized ores | |
ES313510A1 (en) | Procedure for direct reduction of iron oxides. (Machine-translation by Google Translate, not legally binding) | |
GB976485A (en) | Improvements in apparatus for the reduction of ferrous oxide by hydrogen | |
BE591219A (en) | A cementation process using fluidized carbon powder particles. | |
FR1247713A (en) | Cementation process using fluidized carbon powder particles | |
CA586602A (en) | Process and apparatus for forging metals | |
CA582705A (en) | Method of and apparatus for heat treating metal parts | |
AU261807B2 (en) | Process and apparatus for treating ores | |
ES242995A1 (en) | Procedure and apparatus for heating and cooling dusts (Machine-translation by Google Translate, not legally binding) | |
AU237325B2 (en) | Process for heat treating particulate material | |
CA601607A (en) | Process for heating beds of solid particles spouted with gas | |
CA586927A (en) | Control method and apparatus for iron ore reduction process | |
AU232875B2 (en) | Process and apparatus forthe heat treatment of metallic articles | |
AU5152759A (en) | Process and apparatus for treating ores | |
CA573799A (en) | Process and apparatus for the production of metals by dissociation of their carbides | |
CA559938A (en) | Method and apparatus for treating coke oven gas | |
CA585218A (en) | Apparatus for fluidized bed roasting of ores | |
AU5252859A (en) | Process for heat treating particulate material | |
CA582827A (en) | Process for the treatment of tubes of iron, steel or iron alloys | |
AU256671B2 (en) | Preliminary treating process for iron ore | |
GB801364A (en) | Improvements in a method and apparatus for heat treating strip metal | |
AU4880559A (en) | Process and apparatus forthe heat treatment of metallic articles | |
CA575785A (en) | Apparatus and method for heating steam | |
CA586565A (en) | Removable hearth for heating apparatus |