GB1568296A - Vacuum carburizing furnace - Google Patents
Vacuum carburizing furnace Download PDFInfo
- Publication number
- GB1568296A GB1568296A GB45021/77A GB4502177A GB1568296A GB 1568296 A GB1568296 A GB 1568296A GB 45021/77 A GB45021/77 A GB 45021/77A GB 4502177 A GB4502177 A GB 4502177A GB 1568296 A GB1568296 A GB 1568296A
- Authority
- GB
- United Kingdom
- Prior art keywords
- furnace
- gas
- pressure
- carburizing
- concentration
- 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
- 238000005255 carburizing Methods 0.000 title claims description 59
- 239000007789 gas Substances 0.000 claims description 69
- 238000010438 heat treatment Methods 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 6
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 4
- 239000012159 carrier gas Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 239000012809 cooling fluid Substances 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 10
- 238000001816 cooling Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- 230000001351 cycling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004071 soot 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)
- Furnace Details (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12962276A JPS5354136A (en) | 1976-10-28 | 1976-10-28 | Vacuum carburizing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1568296A true GB1568296A (en) | 1980-05-29 |
Family
ID=15014018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB45021/77A Expired GB1568296A (en) | 1976-10-28 | 1977-10-28 | Vacuum carburizing furnace |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4166610A (enExample) |
| JP (1) | JPS5354136A (enExample) |
| BR (1) | BR7707160A (enExample) |
| DE (1) | DE2748125C3 (enExample) |
| GB (1) | GB1568296A (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4191598A (en) * | 1978-08-21 | 1980-03-04 | Midland-Ross Corporation | Jet recirculation method for vacuum carburizing |
| US4631175A (en) * | 1984-03-20 | 1986-12-23 | The Dow Chemical Company | Preparation of chlorinated polyolefins |
| DE3416902A1 (de) * | 1984-05-08 | 1985-11-14 | Schmetz Industrieofenbau und Vakuum-Hartlöttechnik KG, 5750 Menden | Verfahren und vakuumofen zur waermebehandlung einer charge |
| US5324415A (en) * | 1989-06-09 | 1994-06-28 | Blumenthal Robert N | Apparatus and systems for analyzing a sample of treatment atmosphere having a carbon potential |
| US4966348A (en) * | 1989-06-30 | 1990-10-30 | Lindberg Corp. | Method and apparatus for monitoring atmosphere in furnaces |
| FR2681332B1 (fr) * | 1991-09-13 | 1994-06-10 | Innovatique Sa | Procede et dispositif de cementation d'un acier dans une atmosphere a basse pression. |
| US7033446B2 (en) * | 2001-07-27 | 2006-04-25 | Surface Combustion, Inc. | Vacuum carburizing with unsaturated aromatic hydrocarbons |
| US6991687B2 (en) * | 2001-07-27 | 2006-01-31 | Surface Combustion, Inc. | Vacuum carburizing with napthene hydrocarbons |
| DE10152204B4 (de) * | 2001-10-23 | 2004-01-22 | Schwäbische Härtetechnik Ulm GmbH | Vorrichtung und Verfahren zum Messen und/oder Regeln der Aufkohlungsatmophäre in einer Vakuumaufkohlungsanlage |
| DE10232432A1 (de) * | 2002-07-17 | 2004-01-29 | Linde Ag | Verfahren und Vorrichtung zum Unterdruckaufkohlen |
| JP5311324B2 (ja) * | 2007-08-31 | 2013-10-09 | Ｎｔｎ株式会社 | 熱処理炉 |
| EP2218998B1 (en) * | 2009-02-03 | 2012-12-19 | Ipsen, Inc. | A sealing mechanism for a vacuum heat treating furnace |
| JP5650739B2 (ja) * | 2009-08-07 | 2015-01-07 | スウエイジロク・カンパニー | 低真空下での低温浸炭 |
| JP5429500B2 (ja) * | 2011-07-19 | 2014-02-26 | 株式会社Ｉｈｉ | 真空浸炭の品質管理方法と装置及び真空浸炭炉 |
| SG11201403969UA (en) | 2012-01-20 | 2014-08-28 | Swagelok Co | Concurrent flow of activating gas in low temperature carburization |
| US20160067807A1 (en) * | 2014-09-04 | 2016-03-10 | Rolls-Royce Corporation | Dual zone furnace |
| JP6555470B2 (ja) * | 2015-06-25 | 2019-08-07 | 学校法人トヨタ学園 | 浸炭制御方法 |
| CN107884132B (zh) * | 2017-11-10 | 2020-02-18 | 中国航发贵州黎阳航空动力有限公司 | 燃油总管热态密封试验方法 |
| CN110794789B (zh) * | 2019-11-18 | 2022-07-22 | 江麓机电集团有限公司 | 一种基于直生式气氛渗碳的催渗控制系统 |
| CN113862608B (zh) * | 2021-09-26 | 2024-03-01 | 南京高速齿轮制造有限公司 | 一种渗碳介质喷射装置 |
| CN117344265B (zh) * | 2023-08-07 | 2026-01-06 | 宁波环诚汽车轴承有限公司 | 一种GCr15零件的碳氮共渗工艺 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE693709C (de) * | 1936-07-16 | 1940-07-17 | Louis Renault | Gas-Zementierofen mit einer Wirbelungsvorrichtung |
| US2329896A (en) * | 1941-01-28 | 1943-09-21 | Leeds & Northrup Co | Method of and compound for carburizing |
| US2886478A (en) * | 1953-06-29 | 1959-05-12 | Honeywell Regulator Co | Method and control apparatus for carburizing ferrous objects |
| US2818246A (en) * | 1955-09-30 | 1957-12-31 | Connecticut Metal Treating Co | Method and apparatus for determining and/or controlling constituent potentials |
| AT201636B (de) * | 1956-08-20 | 1959-01-10 | Four Electr Delemont Sa Du | Einrichtung zum Gaseinsatzhärten mit geschlossenem Kreislauf |
| US3025044A (en) * | 1958-01-30 | 1962-03-13 | Sunbeam Equip | Vacuum furnace |
| US3041058A (en) * | 1958-11-19 | 1962-06-26 | Straumann Inst Ag | Heat treatment apparatus |
| US3219331A (en) * | 1961-12-18 | 1965-11-23 | Illinois Nat Bank & Trust Co | Heat treating furnace |
| US3259527A (en) * | 1963-10-21 | 1966-07-05 | Midland Ross Corp | Electric heating elements for carburizing atmospheres |
| JPS5034261Y1 (enExample) * | 1969-05-31 | 1975-10-06 | ||
| DE2063776B2 (de) * | 1970-12-24 | 1971-09-16 | Fa Dr Werner Herdieckerhoff, 4750 Unna | Vakuum blankgluehtopf |
| JPS4723051U (enExample) * | 1971-04-05 | 1972-11-15 | ||
| JPS5042093Y2 (enExample) * | 1971-05-11 | 1975-11-29 | ||
| US3782705A (en) * | 1971-12-14 | 1974-01-01 | Hayes Inc C I | Continuously operated vacuum furnace having work part transfer conveyor and load and unload mechanism |
-
1976
- 1976-10-28 JP JP12962276A patent/JPS5354136A/ja active Granted
-
1977
- 1977-09-20 US US05/834,978 patent/US4166610A/en not_active Expired - Lifetime
- 1977-10-26 BR BR7707160A patent/BR7707160A/pt unknown
- 1977-10-27 DE DE2748125A patent/DE2748125C3/de not_active Expired
- 1977-10-28 GB GB45021/77A patent/GB1568296A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4166610A (en) | 1979-09-04 |
| JPS5354136A (en) | 1978-05-17 |
| BR7707160A (pt) | 1978-07-25 |
| JPS5428378B2 (enExample) | 1979-09-17 |
| DE2748125B2 (de) | 1979-11-15 |
| DE2748125C3 (de) | 1982-04-29 |
| DE2748125A1 (de) | 1978-05-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19921028 |