GB1575342A - Production of furnace atmospheres for the heat treatment of ferrous metals - Google Patents
Production of furnace atmospheres for the heat treatment of ferrous metals Download PDFInfo
- Publication number
- GB1575342A GB1575342A GB17609/77A GB1760977A GB1575342A GB 1575342 A GB1575342 A GB 1575342A GB 17609/77 A GB17609/77 A GB 17609/77A GB 1760977 A GB1760977 A GB 1760977A GB 1575342 A GB1575342 A GB 1575342A
- Authority
- GB
- United Kingdom
- Prior art keywords
- furnace chamber
- hydrocarbon
- moles
- carbon
- oxygen
- 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
- 229910052751 metal Inorganic materials 0.000 title claims description 11
- 239000002184 metal Substances 0.000 title claims description 11
- 238000010438 heat treatment Methods 0.000 title claims description 6
- -1 ferrous metals Chemical class 0.000 title description 3
- 238000004519 manufacturing process Methods 0.000 title description 2
- 239000001301 oxygen Substances 0.000 claims description 46
- 229910052760 oxygen Inorganic materials 0.000 claims description 46
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 45
- 239000004215 Carbon black (E152) Substances 0.000 claims description 44
- 229930195733 hydrocarbon Natural products 0.000 claims description 44
- 150000002430 hydrocarbons Chemical class 0.000 claims description 44
- 239000011261 inert gas Substances 0.000 claims description 31
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 29
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- 229910052799 carbon Inorganic materials 0.000 claims description 25
- 239000002609 medium Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 25
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 21
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 15
- 239000001569 carbon dioxide Substances 0.000 claims description 14
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 11
- 229910021529 ammonia Inorganic materials 0.000 claims description 11
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 9
- 239000001294 propane Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229910001868 water Inorganic materials 0.000 claims description 8
- 239000003570 air Substances 0.000 claims description 7
- 238000004320 controlled atmosphere Methods 0.000 claims description 7
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 5
- 238000005256 carbonitriding Methods 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 4
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims description 2
- 239000001273 butane Substances 0.000 claims description 2
- 238000005255 carburizing Methods 0.000 claims description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 2
- 239000008246 gaseous mixture Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- C23C8/08—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
-
- 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
- C23C8/28—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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Furnace Details (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB17609/77A GB1575342A (en) | 1977-04-27 | 1977-04-27 | Production of furnace atmospheres for the heat treatment of ferrous metals |
| FR7812463A FR2388896A2 (fr) | 1977-04-27 | 1978-04-27 | Procede de traitement thermique de metaux ferreux |
| ZA00782403A ZA782403B (en) | 1977-04-27 | 1978-04-27 | Improvements relating to the production of furnace atmospheres for the heat treatments of ferrous metals |
| DE19782818558 DE2818558A1 (de) | 1977-04-27 | 1978-04-27 | Verfahren zur waermebehandlung von eisenmetallen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB17609/77A GB1575342A (en) | 1977-04-27 | 1977-04-27 | Production of furnace atmospheres for the heat treatment of ferrous metals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1575342A true GB1575342A (en) | 1980-09-17 |
Family
ID=10098140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB17609/77A Expired GB1575342A (en) | 1977-04-27 | 1977-04-27 | Production of furnace atmospheres for the heat treatment of ferrous metals |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2818558A1 (https=) |
| FR (1) | FR2388896A2 (https=) |
| GB (1) | GB1575342A (https=) |
| ZA (1) | ZA782403B (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT376703B (de) * | 1982-08-18 | 1984-12-27 | Linde Ag | Verfahren zum herstellen einer stickstoff und wasserstoff enthaltenden gasatmosphaere fuer das gluehen metallischer werkstuecke und anwendung des verfahrens |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2446322A2 (fr) * | 1979-01-15 | 1980-08-08 | Air Liquide | Procede de traitement thermique de l'acier et de controle dudit traitement |
| DE3038078A1 (de) * | 1980-10-08 | 1982-05-06 | Linde Ag, 6200 Wiesbaden | Verfahren und vorrichtung zum aufkohlen metallischer werkstuecke |
| FR2524006B1 (fr) * | 1982-03-23 | 1985-10-11 | Air Liquide | Procede de durcissement superficiel de pieces metalliques |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1150079A (fr) * | 1956-04-26 | 1958-01-07 | Renault | Procédé de préparation d'atmosphère pour traitement thermique des métaux |
| CH448673A (fr) * | 1965-12-09 | 1967-12-15 | Four Electr Delemont Sa Du | Procédé de cémentation gazeuse d'acier |
| GB1471880A (en) * | 1973-10-26 | 1977-04-27 | Air Prod & Chem | Furnace atmosphere for the heat treatment of ferrous metal |
| JPS5178714A (en) * | 1974-12-28 | 1976-07-08 | Kobe Steel Ltd | Kofunmatsutaino kanetsuhoho |
| US4049473A (en) * | 1976-03-11 | 1977-09-20 | Airco, Inc. | Methods for carburizing steel parts |
-
1977
- 1977-04-27 GB GB17609/77A patent/GB1575342A/en not_active Expired
-
1978
- 1978-04-27 ZA ZA00782403A patent/ZA782403B/xx unknown
- 1978-04-27 DE DE19782818558 patent/DE2818558A1/de not_active Ceased
- 1978-04-27 FR FR7812463A patent/FR2388896A2/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT376703B (de) * | 1982-08-18 | 1984-12-27 | Linde Ag | Verfahren zum herstellen einer stickstoff und wasserstoff enthaltenden gasatmosphaere fuer das gluehen metallischer werkstuecke und anwendung des verfahrens |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA782403B (en) | 1979-06-27 |
| DE2818558A1 (de) | 1978-11-09 |
| FR2388896A2 (fr) | 1978-11-24 |
| FR2388896B2 (https=) | 1981-01-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed |