EP0626467A4 - Method of continuously carburizing metal strip. - Google Patents
Method of continuously carburizing metal strip.Info
- Publication number
- EP0626467A4 EP0626467A4 EP93922640A EP93922640A EP0626467A4 EP 0626467 A4 EP0626467 A4 EP 0626467A4 EP 93922640 A EP93922640 A EP 93922640A EP 93922640 A EP93922640 A EP 93922640A EP 0626467 A4 EP0626467 A4 EP 0626467A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- carburization
- rate
- strip
- correcting
- atmospheric gas
- 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
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
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)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP277305/92 | 1992-10-15 | ||
JP27730592 | 1992-10-15 | ||
JP28752492 | 1992-10-26 | ||
JP287524/92 | 1992-10-26 | ||
JP28752392 | 1992-10-26 | ||
JP287523/92 | 1992-10-26 | ||
JP344472/92 | 1992-12-24 | ||
JP34447292 | 1992-12-24 | ||
PCT/JP1993/001486 WO1994009175A1 (en) | 1992-10-15 | 1993-10-15 | Method of continuously carburizing metal strip |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0626467A1 EP0626467A1 (en) | 1994-11-30 |
EP0626467A4 true EP0626467A4 (en) | 1995-03-01 |
EP0626467B1 EP0626467B1 (en) | 1997-05-21 |
Family
ID=27479120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93922640A Expired - Lifetime EP0626467B1 (en) | 1992-10-15 | 1993-10-15 | Method of continuously carburizing steel strip |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0626467B1 (en) |
KR (1) | KR100266037B1 (en) |
CA (1) | CA2125785A1 (en) |
DE (1) | DE69310897T2 (en) |
WO (1) | WO1994009175A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT404029B (en) * | 1996-09-16 | 1998-07-27 | Ald Aichelin Ges M B H | LOW-PRESSURE REARING PLANT |
BE1011178A3 (en) * | 1997-05-27 | 1999-06-01 | Metallurigiques Ct Voor Resear | Method of making continuous strip steel stamping having improved surface properties. |
KR20020043254A (en) | 1999-10-29 | 2002-06-08 | 스타르크, 카르크 | L-pantolactone Hydrolase and a Method for Producing D-pantolactone |
DE10325795B4 (en) * | 2003-06-05 | 2005-07-28 | Thyssenkrupp Stahl Ag | Method for producing carburized steel strips |
DE102005030433B3 (en) * | 2005-06-30 | 2006-12-07 | Ab Skf | Carburizing an iron material, especially steel, comprises performing carburization on the basis of a calculated carbon diffusion coefficient |
KR101166919B1 (en) * | 2010-02-08 | 2012-07-23 | 한국생산기술연구원 | Real time monitoring method for carburizing depth |
DE102010039941B4 (en) * | 2010-08-30 | 2012-05-16 | Aktiebolaget Skf | Process for carburizing an iron material |
KR102094791B1 (en) * | 2018-12-20 | 2020-03-30 | (주)비전테크놀러지 | Shield core of Sterling angle sensor for vehicle and method of manufacturing the same |
RU2723397C1 (en) * | 2020-02-13 | 2020-06-11 | Общество с ограниченной ответственностью Управляющая компания "Алтайский завод прецизионных изделий" | Cementing method |
WO2024090229A1 (en) * | 2022-10-27 | 2024-05-02 | 山陽特殊製鋼株式会社 | Carbon concentration distribution analysis method |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1934145A1 (en) * | 1969-07-05 | 1971-01-21 | Hartmann & Braun Ag | Determination of carbon potential in the - carburisation of steel |
DE1942281A1 (en) * | 1969-08-20 | 1971-03-04 | Hartmann & Braun Ag | Gas carburisation of steel |
DE2152440A1 (en) * | 1971-10-21 | 1972-10-26 | Bbc Brown Boveri & Cie | Soot free steel carburizing system - with automatic control of carbon potential of gas and soot threshold |
DE2152439A1 (en) * | 1971-10-21 | 1972-10-26 | Bbc Brown Boveri & Cie | Soot formation prevention system for gas carburizing - chambers - by process control to simulated saturation line |
US3950192A (en) * | 1974-10-30 | 1976-04-13 | Monsanto Company | Continuous carburizing method |
DE2835444A1 (en) * | 1978-08-12 | 1980-02-28 | Bbc Brown Boveri & Cie | Carburising atmosphere control in heat treatment furnaces - using measurement of temperature and oxygen level to determine carbon potential of atmosphere |
DE3139622A1 (en) * | 1981-10-06 | 1983-04-21 | Joachim Dr.-Ing. 7250 Leonberg Wünning | Process for the gas-carburisation of steel |
US4950334A (en) * | 1986-08-12 | 1990-08-21 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Gas carburizing method and apparatus |
JPH04107256A (en) * | 1990-08-28 | 1992-04-08 | Nippon Seiko Kk | Carburizing furnace |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58144469A (en) * | 1982-02-22 | 1983-08-27 | Aisin Seiki Co Ltd | Program control apparatus of carburization furnace |
JP3021458B2 (en) * | 1987-12-28 | 2000-03-15 | 同和鉱業株式会社 | Gas carburizing heat treatment method |
JP2954339B2 (en) * | 1990-11-30 | 1999-09-27 | 川崎製鉄株式会社 | Continuous annealing furnace |
JPH04198462A (en) * | 1990-11-28 | 1992-07-17 | Komatsu Ltd | Carburizing device |
JPH04202648A (en) * | 1990-11-30 | 1992-07-23 | Kawasaki Steel Corp | Supplying method for carbonizable atmospheric gas in continuous carburization furnace |
-
1993
- 1993-10-15 EP EP93922640A patent/EP0626467B1/en not_active Expired - Lifetime
- 1993-10-15 WO PCT/JP1993/001486 patent/WO1994009175A1/en active IP Right Grant
- 1993-10-15 KR KR1019940702014A patent/KR100266037B1/en not_active IP Right Cessation
- 1993-10-15 DE DE69310897T patent/DE69310897T2/en not_active Expired - Fee Related
- 1993-10-15 CA CA 2125785 patent/CA2125785A1/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1934145A1 (en) * | 1969-07-05 | 1971-01-21 | Hartmann & Braun Ag | Determination of carbon potential in the - carburisation of steel |
DE1942281A1 (en) * | 1969-08-20 | 1971-03-04 | Hartmann & Braun Ag | Gas carburisation of steel |
DE2152440A1 (en) * | 1971-10-21 | 1972-10-26 | Bbc Brown Boveri & Cie | Soot free steel carburizing system - with automatic control of carbon potential of gas and soot threshold |
DE2152439A1 (en) * | 1971-10-21 | 1972-10-26 | Bbc Brown Boveri & Cie | Soot formation prevention system for gas carburizing - chambers - by process control to simulated saturation line |
US3950192A (en) * | 1974-10-30 | 1976-04-13 | Monsanto Company | Continuous carburizing method |
DE2835444A1 (en) * | 1978-08-12 | 1980-02-28 | Bbc Brown Boveri & Cie | Carburising atmosphere control in heat treatment furnaces - using measurement of temperature and oxygen level to determine carbon potential of atmosphere |
DE3139622A1 (en) * | 1981-10-06 | 1983-04-21 | Joachim Dr.-Ing. 7250 Leonberg Wünning | Process for the gas-carburisation of steel |
US4950334A (en) * | 1986-08-12 | 1990-08-21 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Gas carburizing method and apparatus |
JPH04107256A (en) * | 1990-08-28 | 1992-04-08 | Nippon Seiko Kk | Carburizing furnace |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 16, no. 351 (C - 0968) 29 July 1992 (1992-07-29) * |
See also references of WO9409175A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE69310897D1 (en) | 1997-06-26 |
CA2125785A1 (en) | 1994-04-28 |
KR100266037B1 (en) | 2000-09-15 |
EP0626467A1 (en) | 1994-11-30 |
WO1994009175A1 (en) | 1994-04-28 |
EP0626467B1 (en) | 1997-05-21 |
DE69310897T2 (en) | 1998-01-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0626467A4 (en) | Method of continuously carburizing metal strip. | |
GB1471880A (en) | Furnace atmosphere for the heat treatment of ferrous metal | |
ES456738A1 (en) | Methods for carburizing steel parts | |
US5366205A (en) | Carburization installation | |
O'Brien et al. | Plasma(Ion) Nitriding | |
ES8402361A1 (en) | Method of surface-hardening metallic parts. | |
CA1125011A (en) | Inert carrier gas heat treating control process | |
US4519853B1 (en) | ||
US5498299A (en) | Process for avoiding surface oxidation in the carburization of steels | |
ES461548A1 (en) | Method for control of the carburization of parts in a vacuum furnace | |
CA2326239A1 (en) | Low pressure carbonitriding method for metal alloy parts | |
US20060102254A1 (en) | Hydrocarbon gas mixture for the under-presssure carburizing of steel | |
HUP9900939A2 (en) | Process for producing wear-resistant boride layers on metal material surfaces | |
Wierzchon et al. | Production and Significance of Gaseous Atmospheres During Thermochemical Treatment in the Plasma of a Glow Discharge | |
Boutchkov et al. | Some Characteristic Features of Phase Formation in the Glow Discharge Plasma.[Abstract Only] | |
JPH0578736A (en) | Continuous decarburized annealing method of silicon steel strip | |
JP2535820B2 (en) | Carburizing method for metallic materials | |
JPS5713170A (en) | Gas carburizing method | |
DE59604119D1 (en) | Process for nitriding and / or nitrocarburizing metallic workpieces | |
MY117221A (en) | Process for the nondestructive heating and supply of hot ammonia or hot ammonia containing feed gas | |
Taki et al. | Plasma Nitriding of Pure Iron and Stainless Steel | |
Sgibnev et al. | A Computer Simulation Study of the Mechanisms of Processes Occurring in a Glow Discharge in a Hydrocarbon Medium | |
Florian | Mass Transfer During the Nitriding of Steels in an Endogas--Ammonia Mixture | |
Knechtel et al. | Method of Nitriding Steel | |
GB1259847A (en) | Method for controlling the nitriding tendency of aluminium-killed steel |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19940707 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB |
|
A4 | Supplementary search report drawn up and despatched | ||
AK | Designated contracting states |
Kind code of ref document: A4 Designated state(s): DE FR GB |
|
17Q | First examination report despatched |
Effective date: 19950731 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB |
|
REF | Corresponds to: |
Ref document number: 69310897 Country of ref document: DE Date of ref document: 19970626 |
|
ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20071011 Year of fee payment: 15 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20071010 Year of fee payment: 15 Ref country code: FR Payment date: 20071009 Year of fee payment: 15 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20081015 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20090630 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090501 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20081031 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20081015 |