IT1071340B - Metodi perfezionati per la cementazione di pezzi in acciaio - Google Patents
Metodi perfezionati per la cementazione di pezzi in acciaioInfo
- Publication number
- IT1071340B IT1071340B IT20767/77A IT2076777A IT1071340B IT 1071340 B IT1071340 B IT 1071340B IT 20767/77 A IT20767/77 A IT 20767/77A IT 2076777 A IT2076777 A IT 2076777A IT 1071340 B IT1071340 B IT 1071340B
- Authority
- IT
- Italy
- Prior art keywords
- cementation
- steel pieces
- perfected
- methods
- perfected methods
- Prior art date
Links
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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Furnace Details (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/665,844 US4049473A (en) | 1976-03-11 | 1976-03-11 | Methods for carburizing steel parts |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1071340B true IT1071340B (it) | 1985-04-02 |
Family
ID=24671786
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20767/77A IT1071340B (it) | 1976-03-11 | 1977-02-28 | Metodi perfezionati per la cementazione di pezzi in acciaio |
Country Status (9)
Country | Link |
---|---|
US (1) | US4049473A (it) |
JP (1) | JPS52109441A (it) |
BR (1) | BR7701518A (it) |
CA (1) | CA1084392A (it) |
DE (1) | DE2710748B2 (it) |
ES (1) | ES456738A1 (it) |
FR (1) | FR2343817A1 (it) |
GB (1) | GB1560255A (it) |
IT (1) | IT1071340B (it) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1575342A (en) * | 1977-04-27 | 1980-09-17 | Air Prod & Chem | Production of furnace atmospheres for the heat treatment of ferrous metals |
US4145232A (en) * | 1977-06-03 | 1979-03-20 | Union Carbide Corporation | Process for carburizing steel |
JPS5915964B2 (ja) * | 1977-10-14 | 1984-04-12 | オリエンタルエンヂニアリング株式会社 | 鋼の熱処理方法 |
CH628092A5 (de) * | 1978-03-21 | 1982-02-15 | Ipsen Ind Int Gmbh | Verfahren und vorrichtung zur regelung des kohlenstoffpegels eines chemisch reagierenden gasgemisches. |
US4175986A (en) * | 1978-10-19 | 1979-11-27 | Trw Inc. | Inert carrier gas heat treating control process |
US4281824A (en) * | 1978-10-27 | 1981-08-04 | Metals, Inc. | Heat treating apparatus |
US4208224A (en) * | 1978-11-22 | 1980-06-17 | Airco, Inc. | Heat treatment processes utilizing H2 O additions |
US4249621A (en) * | 1979-03-22 | 1981-02-10 | Smith International, Inc. | Friction bearing rock bit and segment |
EP0024106B1 (en) * | 1979-07-09 | 1986-01-02 | Ford Motor Company Limited | Method of heat treating ferrous workpieces |
US4288062A (en) * | 1979-08-09 | 1981-09-08 | Holcroft | Apparatus for control and monitoring of the carbon potential of an atmosphere in a heat-processing furnace |
CH643597A5 (de) * | 1979-12-20 | 1984-06-15 | Maag Zahnraeder & Maschinen Ag | Verfahren zum regelbaren aufkohlen oder erwaermen in schutzgas von werkstuecken aus stahl. |
EP0033403A1 (en) * | 1980-01-31 | 1981-08-12 | Ford Motor Company | Method of treating the surfaces of high carbon steel bodies and bodies of high carbon steel |
JPS585259B2 (ja) * | 1980-04-22 | 1983-01-29 | 本田技研工業株式会社 | ガス浸炭方法及び装置 |
DE3017978C2 (de) * | 1980-05-10 | 1986-03-13 | Daimler-Benz Ag, 7000 Stuttgart | Verfahren zur vorübergehenden Stillegung von Durchstoßaufkohlungsanlagen |
JPS6032114Y2 (ja) * | 1980-07-07 | 1985-09-25 | 中外炉工業株式会社 | 連続ガス浸炭炉 |
DE3038078A1 (de) * | 1980-10-08 | 1982-05-06 | Linde Ag, 6200 Wiesbaden | Verfahren und vorrichtung zum aufkohlen metallischer werkstuecke |
US4415379A (en) * | 1981-09-15 | 1983-11-15 | The Boc Group, Inc. | Heat treatment processes |
US4470854A (en) * | 1981-10-01 | 1984-09-11 | Kabushiki Kaisha Komatsu Seisakusho | Surface hardening thermal treatment |
IT1171606B (it) * | 1981-10-23 | 1987-06-10 | Italtractor | Procedimento per trattamento termico di cementazione ad alta temperatura con atmosfera cementante prodotta in situ tempra diretta rinvenimento alle estremita' di distensione totale di boccole per catenarie di trattori o mezzi cingolati |
DE3310733C2 (de) * | 1983-03-24 | 1986-04-03 | Daimler-Benz Ag, 7000 Stuttgart | Verfahren zur Verringerung des Schutzgasverbrauchs sowie der Randoxidation von zu behandelnden Bauteilen in Schleusen-Durchstoßanlagen mit Endogas als brennbarem Schutzgas |
US4540447A (en) * | 1983-06-09 | 1985-09-10 | Huck Manufacturing Company | Method of making a multigrip fastener and fastener made thereby |
US4495004A (en) * | 1983-10-20 | 1985-01-22 | Italtractor Itm Spa | Process for high-temperature carburizing treatment of track bushes for tractors or tracked vehicles |
US4512558A (en) * | 1984-01-03 | 1985-04-23 | Ultra-Temp Corporation | Coffin delivery system for metallurgical furnace |
US4540363A (en) * | 1984-03-01 | 1985-09-10 | Seco/Warwick Corporation | Ingot pusher furnace |
DE3411605C2 (de) * | 1984-03-29 | 1986-07-17 | Joachim Dr.-Ing. 7250 Leonberg Wünning | Verfahren und Einrichtung zur Gasaufkohlung von Stahl |
GB8608717D0 (en) * | 1986-04-10 | 1986-05-14 | Lucas Ind Plc | Metal components |
JPH0232682Y2 (it) * | 1987-05-27 | 1990-09-04 | ||
DE4400391A1 (de) * | 1994-01-08 | 1995-07-13 | Messer Griesheim Gmbh | Verfahren zur Vermeidung von Randoxidation beim Aufkohlen von Stählen |
US6635121B2 (en) * | 2000-02-04 | 2003-10-21 | American Air Liquide, Inc. | Method and apparatus for controlling the decarburization of steel components in a furnace |
US7638727B2 (en) * | 2002-05-08 | 2009-12-29 | Btu International Inc. | Plasma-assisted heat treatment |
US20030226620A1 (en) * | 2002-06-05 | 2003-12-11 | Van Den Sype Jaak Stefaan | Process and apparatus for producing amtospheres for high productivity carburizing |
DE10235131A1 (de) * | 2002-08-01 | 2004-02-19 | Ipsen International Gmbh | Verfahren und Vorrichtung zum Schwärzen von Bauteilen |
CA2866646A1 (en) * | 2014-10-06 | 2016-04-06 | Michel Jozef Korwin | Method for heat treating long steel pipes |
SE539347C2 (en) * | 2015-11-02 | 2017-07-18 | Solid lubricant-coated steel articles, method and apparatus for manufacturing thereof and quenching oil used in the manufacturing |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2161162A (en) * | 1938-01-06 | 1939-06-06 | Leeds & Northrup Co | Method of carburizing |
US2975083A (en) * | 1959-11-05 | 1961-03-14 | William E Engelhard | Carburizing procedure |
US3058815A (en) * | 1960-07-11 | 1962-10-16 | Leeds & Northrup Co | Measurement and control of constituent potentials |
DE1433735B1 (de) * | 1963-09-21 | 1969-09-04 | Werner Goehring | Verfahren zur Erzielung einer Ofenatmosphaere,mit der eine oxydationsfreie Waermebehandlung von Werkstuecken aus Stahl unter gleichzeitiger Beeinflussung des Kohlenstoffgehalts durchfuehrbar ist |
US3397875A (en) * | 1966-05-20 | 1968-08-20 | Leeds & Northrup Co | Apparatus for maintaining a carburizing atmosphere during heat treatment |
GB1208134A (en) * | 1967-03-22 | 1970-10-07 | Gibbons Brothers Ltd | Improvements in or relating to continuous carburising |
US3467366A (en) * | 1967-10-02 | 1969-09-16 | Hayes Inc C I | Furnace construction having atmosphere curtain |
US3662996A (en) * | 1970-03-23 | 1972-05-16 | Holcroft & Co | Multi-chamber carburizing apparatus |
DE2133284C3 (de) * | 1970-07-09 | 1975-11-27 | Fabrica De Utilaje Si Piese De Schimb Metalotehnica, Tirgu-Mures (Rumaenien) | Verfahren zum Weichnitrieren von Stahl und Gußeisen |
DE2324918C3 (de) * | 1973-05-17 | 1983-12-08 | Fa. J. Aichelin, 7015 Korntal | Verfahren zur Herstellung von Epsilon-Karbonitridschichten auf Teilen aus Eisenlegierungen |
US3891473A (en) * | 1973-05-17 | 1975-06-24 | Chrysler Corp | Heat treating atmospheres |
JPS5128571B2 (it) * | 1974-02-15 | 1976-08-20 |
-
1976
- 1976-03-11 US US05/665,844 patent/US4049473A/en not_active Expired - Lifetime
-
1977
- 1977-02-28 IT IT20767/77A patent/IT1071340B/it active
- 1977-02-28 GB GB8280/77A patent/GB1560255A/en not_active Expired
- 1977-03-09 FR FR7707026A patent/FR2343817A1/fr active Granted
- 1977-03-10 CA CA273,665A patent/CA1084392A/en not_active Expired
- 1977-03-11 ES ES456738A patent/ES456738A1/es not_active Expired
- 1977-03-11 DE DE2710748A patent/DE2710748B2/de not_active Ceased
- 1977-03-11 BR BR7701518A patent/BR7701518A/pt unknown
- 1977-03-11 JP JP2687977A patent/JPS52109441A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS52109441A (en) | 1977-09-13 |
FR2343817B1 (it) | 1980-03-07 |
GB1560255A (en) | 1980-01-30 |
DE2710748B2 (de) | 1981-01-22 |
ES456738A1 (es) | 1978-01-16 |
BR7701518A (pt) | 1977-11-29 |
JPS5524500B2 (it) | 1980-06-30 |
DE2710748A1 (de) | 1977-10-20 |
US4049473A (en) | 1977-09-20 |
FR2343817A1 (fr) | 1977-10-07 |
CA1084392A (en) | 1980-08-26 |
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