CH643597A5 - Verfahren zum regelbaren aufkohlen oder erwaermen in schutzgas von werkstuecken aus stahl. - Google Patents
Verfahren zum regelbaren aufkohlen oder erwaermen in schutzgas von werkstuecken aus stahl. Download PDFInfo
- Publication number
- CH643597A5 CH643597A5 CH1130379A CH1130379A CH643597A5 CH 643597 A5 CH643597 A5 CH 643597A5 CH 1130379 A CH1130379 A CH 1130379A CH 1130379 A CH1130379 A CH 1130379A CH 643597 A5 CH643597 A5 CH 643597A5
- Authority
- CH
- Switzerland
- Prior art keywords
- gas
- carburizing
- nitrogen
- furnace
- level
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 31
- 238000010438 heat treatment Methods 0.000 title claims description 13
- 229910000831 Steel Inorganic materials 0.000 title claims description 7
- 239000010959 steel Substances 0.000 title claims description 7
- 230000001681 protective effect Effects 0.000 title claims 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 78
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 64
- 238000005255 carburizing Methods 0.000 claims description 48
- 229910052757 nitrogen Inorganic materials 0.000 claims description 39
- 239000007789 gas Substances 0.000 claims description 37
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 33
- 239000012159 carrier gas Substances 0.000 claims description 32
- 239000003795 chemical substances by application Substances 0.000 claims description 30
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 18
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229930195733 hydrocarbon Natural products 0.000 claims description 7
- 150000002430 hydrocarbons Chemical class 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 150000002926 oxygen Chemical class 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000003345 natural gas Substances 0.000 description 5
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 238000010000 carbonizing Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 238000007630 basic procedure Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000035899 viability Effects 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1130379A CH643597A5 (de) | 1979-12-20 | 1979-12-20 | Verfahren zum regelbaren aufkohlen oder erwaermen in schutzgas von werkstuecken aus stahl. |
| DE3019830A DE3019830C2 (de) | 1979-12-20 | 1980-05-23 | Verfahren zum Aufkohlen und Erwärmen von Werkstücken aus Stahl in geregelter Ofenatmospähre |
| EP80107178A EP0031034B1 (de) | 1979-12-20 | 1980-11-19 | Verfahren zum regelbaren Aufkohlen oder Erwärmen in Schutzgas von Werkstücken aus Stahl |
| DE8080107178T DE3071126D1 (en) | 1979-12-20 | 1980-11-19 | Process for the adjustable carburizing or heating in a protective gas of steel work pieces |
| IT26589/80A IT1149924B (it) | 1979-12-20 | 1980-12-12 | Procedimento per la carbocementazione regolabile o il riscaldamento in un gas di protezione di pezzi fabbricati in acciaio |
| GB8040423A GB2066301B (en) | 1979-12-20 | 1980-12-17 | Process for carburising or heating of steel workpieces in a protective atmosphere |
| BR8008362A BR8008362A (pt) | 1979-12-20 | 1980-12-19 | Processo para a recarburacao regulavel,ou aquecimento em gas protetor de pecas de aco |
| JP17905380A JPS5696070A (en) | 1979-12-20 | 1980-12-19 | Carburizing of heating of steel member controllably in protecting gas |
| FR8027025A FR2472034B1 (fr) | 1979-12-20 | 1980-12-19 | Procede de carburation reglable ou de rechauffage reglable de pieces d'acier et sous atmosphere protectrice |
| SU3225001A SU1261567A3 (ru) | 1979-12-20 | 1980-12-19 | Способ регулировани науглероживающей атмосферы в печи |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1130379A CH643597A5 (de) | 1979-12-20 | 1979-12-20 | Verfahren zum regelbaren aufkohlen oder erwaermen in schutzgas von werkstuecken aus stahl. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH643597A5 true CH643597A5 (de) | 1984-06-15 |
Family
ID=4372157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1130379A CH643597A5 (de) | 1979-12-20 | 1979-12-20 | Verfahren zum regelbaren aufkohlen oder erwaermen in schutzgas von werkstuecken aus stahl. |
Country Status (9)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415378A (en) * | 1982-04-22 | 1983-11-15 | Dana Corporation | Case hardening method for steel parts |
| FR2527641A1 (fr) * | 1982-05-28 | 1983-12-02 | Air Liquide | Procede de traitement thermique de pieces metalliques par carburation |
| US4512821A (en) * | 1982-12-20 | 1985-04-23 | Procedyne Corp. | Method for metal treatment using a fluidized bed |
| JPS6372821A (ja) * | 1986-09-16 | 1988-04-02 | Osaka Oxygen Ind Ltd | 金属処理方法 |
| DE3718240C1 (de) * | 1987-05-30 | 1988-01-14 | Ewald Schwing | Verfahren zur Waermebehandlung von metallischen Werkstuecken in einer gasdurchstroemten Wirbelschicht |
| DE3810775C2 (de) * | 1988-03-30 | 1996-05-23 | Schlafhorst & Co W | Spinnrotor |
| DE3830559C1 (enrdf_load_stackoverflow) * | 1988-09-08 | 1989-03-09 | Linde Ag, 6200 Wiesbaden, De | |
| DE10307341B4 (de) * | 2003-02-21 | 2006-02-02 | Bayerische Motoren Werke Ag | Tragplatte zur Aufnahme eines Tellerrades |
| DE10321414B4 (de) * | 2003-05-13 | 2008-12-18 | Robert Bosch Gmbh | Verfahren zur Wärmebehandlung von metallischen Werkstücken in Kammeröfen |
| CN109778106A (zh) * | 2018-11-14 | 2019-05-21 | 苏州工业园区姑苏科技有限公司 | 一种网带炉的氮甲醇保护气氛的控制系统以及调节方法 |
| CN113913731A (zh) * | 2021-11-12 | 2022-01-11 | 陕西柴油机重工有限公司 | 压入式可控气氛发生装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB816051A (en) * | 1954-12-18 | 1959-07-08 | Renault | Improvements in or relating to a process for preparing a gas suitable for the case hardening of steel |
| DE1208148B (de) * | 1959-05-11 | 1965-12-30 | Hurth Masch Zahnrad Carl | Verfahren zum Aufkohlen von Werkstuecken aus Eisen |
| GB952363A (en) * | 1959-10-07 | 1964-03-18 | Nissan Motor | Heat treatment of steels with a mixed gas of nitrogen and hydrocarbon |
| NL266000A (enrdf_load_stackoverflow) * | 1960-06-17 | |||
| DE2163476A1 (de) * | 1971-12-21 | 1973-07-12 | Jenaer Glaswerk Schott & Gen | Verfahren zur erhoehung der mechanischen festigkeit von glas-metall-verschmelzungen durch aufkohlen von eisen und eisenlegierungen |
| 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 |
| US4049473A (en) * | 1976-03-11 | 1977-09-20 | Airco, Inc. | Methods for carburizing steel parts |
| US4175986A (en) * | 1978-10-19 | 1979-11-27 | Trw Inc. | Inert carrier gas heat treating control process |
-
1979
- 1979-12-20 CH CH1130379A patent/CH643597A5/de not_active IP Right Cessation
-
1980
- 1980-05-23 DE DE3019830A patent/DE3019830C2/de not_active Expired
- 1980-11-19 EP EP80107178A patent/EP0031034B1/de not_active Expired
- 1980-11-19 DE DE8080107178T patent/DE3071126D1/de not_active Expired
- 1980-12-12 IT IT26589/80A patent/IT1149924B/it active
- 1980-12-17 GB GB8040423A patent/GB2066301B/en not_active Expired
- 1980-12-19 JP JP17905380A patent/JPS5696070A/ja active Granted
- 1980-12-19 FR FR8027025A patent/FR2472034B1/fr not_active Expired
- 1980-12-19 BR BR8008362A patent/BR8008362A/pt not_active IP Right Cessation
- 1980-12-19 SU SU3225001A patent/SU1261567A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| IT1149924B (it) | 1986-12-10 |
| EP0031034A1 (de) | 1981-07-01 |
| IT8026589A0 (it) | 1980-12-12 |
| FR2472034B1 (fr) | 1986-05-16 |
| GB2066301A (en) | 1981-07-08 |
| JPS6350430B2 (enrdf_load_stackoverflow) | 1988-10-07 |
| SU1261567A3 (ru) | 1986-09-30 |
| DE3071126D1 (en) | 1985-10-31 |
| EP0031034B1 (de) | 1985-09-25 |
| FR2472034A1 (fr) | 1981-06-26 |
| DE3019830C2 (de) | 1983-03-24 |
| DE3019830A1 (de) | 1981-07-02 |
| BR8008362A (pt) | 1981-07-07 |
| JPS5696070A (en) | 1981-08-03 |
| GB2066301B (en) | 1984-01-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUE | Assignment |
Owner name: MAAG GETRIEBE AG |
|
| PL | Patent ceased |