DE3436267A1 - Verfahren zum regeln des kohlenstoffpegels in einem gasaufkohlungsofen - Google Patents
Verfahren zum regeln des kohlenstoffpegels in einem gasaufkohlungsofenInfo
- Publication number
- DE3436267A1 DE3436267A1 DE19843436267 DE3436267A DE3436267A1 DE 3436267 A1 DE3436267 A1 DE 3436267A1 DE 19843436267 DE19843436267 DE 19843436267 DE 3436267 A DE3436267 A DE 3436267A DE 3436267 A1 DE3436267 A1 DE 3436267A1
- Authority
- DE
- Germany
- Prior art keywords
- gas
- carbon
- level
- carrier gas
- carbon level
- 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.)
- Granted
Links
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 7
- 239000007789 gas Substances 0.000 claims abstract description 21
- 239000012159 carrier gas Substances 0.000 claims abstract description 12
- 230000007812 deficiency Effects 0.000 claims abstract 2
- 238000005255 carburizing Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 5
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 20
- 239000001294 propane Substances 0.000 description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000000463 material 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
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843436267 DE3436267A1 (de) | 1984-10-03 | 1984-10-03 | Verfahren zum regeln des kohlenstoffpegels in einem gasaufkohlungsofen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843436267 DE3436267A1 (de) | 1984-10-03 | 1984-10-03 | Verfahren zum regeln des kohlenstoffpegels in einem gasaufkohlungsofen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3436267A1 true DE3436267A1 (de) | 1986-05-15 |
| DE3436267C2 DE3436267C2 (enrdf_load_stackoverflow) | 1990-10-18 |
Family
ID=6247003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843436267 Granted DE3436267A1 (de) | 1984-10-03 | 1984-10-03 | Verfahren zum regeln des kohlenstoffpegels in einem gasaufkohlungsofen |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3436267A1 (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869756A (en) * | 1987-03-05 | 1989-09-26 | Ewald Schwing | Process for carburizing a steel workpiece |
| US4881982A (en) * | 1987-04-29 | 1989-11-21 | Ipsen Industries International Gesellschaft Mit Beschrankter Haftung | Method for gaseous carburization of steel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1478984A (en) * | 1974-11-27 | 1977-07-06 | Lucas Ltd Joseph | Gas carburusing |
| US4317687A (en) * | 1980-05-12 | 1982-03-02 | Air Products And Chemicals, Inc. | Carburizing process utilizing atmospheres generated from nitrogen-ethanol based mixtures |
| GB2092183A (en) * | 1981-01-14 | 1982-08-11 | Holcroft & Co | Method of controlling furnace atmospheres |
| AT369038B (de) * | 1980-10-08 | 1982-11-25 | Linde Ag | Verfahren zum aufkohlen und kohlungsneutralen gluehen von werkstuecken |
-
1984
- 1984-10-03 DE DE19843436267 patent/DE3436267A1/de active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1478984A (en) * | 1974-11-27 | 1977-07-06 | Lucas Ltd Joseph | Gas carburusing |
| US4317687A (en) * | 1980-05-12 | 1982-03-02 | Air Products And Chemicals, Inc. | Carburizing process utilizing atmospheres generated from nitrogen-ethanol based mixtures |
| AT369038B (de) * | 1980-10-08 | 1982-11-25 | Linde Ag | Verfahren zum aufkohlen und kohlungsneutralen gluehen von werkstuecken |
| GB2092183A (en) * | 1981-01-14 | 1982-08-11 | Holcroft & Co | Method of controlling furnace atmospheres |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869756A (en) * | 1987-03-05 | 1989-09-26 | Ewald Schwing | Process for carburizing a steel workpiece |
| US4881982A (en) * | 1987-04-29 | 1989-11-21 | Ipsen Industries International Gesellschaft Mit Beschrankter Haftung | Method for gaseous carburization of steel |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3436267C2 (enrdf_load_stackoverflow) | 1990-10-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |