EP0089885A3 - Method of surface-hardening metallic parts - Google Patents
Method of surface-hardening metallic parts Download PDFInfo
- Publication number
- EP0089885A3 EP0089885A3 EP83400541A EP83400541A EP0089885A3 EP 0089885 A3 EP0089885 A3 EP 0089885A3 EP 83400541 A EP83400541 A EP 83400541A EP 83400541 A EP83400541 A EP 83400541A EP 0089885 A3 EP0089885 A3 EP 0089885A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- parts
- furnace
- metallic parts
- oxidizing gas
- gaseous mixture
- 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
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
-
- 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
- C23C8/28—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 more than one element being applied in one step
- C23C8/30—Carbo-nitriding
- C23C8/32—Carbo-nitriding 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 Articles (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Forging (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT83400541T ATE29154T1 (en) | 1982-03-23 | 1983-03-16 | PROCESS FOR SURFACE HARDENING OF METAL PARTS. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8204874 | 1982-03-23 | ||
FR8204874A FR2524006B1 (en) | 1982-03-23 | 1982-03-23 | PROCESS FOR THE SURFACE CURING OF METAL PARTS |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0089885A2 EP0089885A2 (en) | 1983-09-28 |
EP0089885A3 true EP0089885A3 (en) | 1984-12-05 |
EP0089885B1 EP0089885B1 (en) | 1987-08-26 |
Family
ID=9272268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83400541A Expired EP0089885B1 (en) | 1982-03-23 | 1983-03-16 | Method of surface-hardening metallic parts |
Country Status (10)
Country | Link |
---|---|
US (1) | US4531984A (en) |
EP (1) | EP0089885B1 (en) |
JP (1) | JPS58174573A (en) |
AT (1) | ATE29154T1 (en) |
AU (1) | AU554394B2 (en) |
CA (1) | CA1215901A (en) |
DE (1) | DE3373197D1 (en) |
ES (1) | ES520824A0 (en) |
FR (1) | FR2524006B1 (en) |
ZA (1) | ZA831884B (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8608717D0 (en) * | 1986-04-10 | 1986-05-14 | Lucas Ind Plc | Metal components |
JP2584217B2 (en) * | 1986-11-18 | 1997-02-26 | 株式会社豊田中央研究所 | Surface treatment method |
FR2649123B1 (en) * | 1989-06-30 | 1991-09-13 | Air Liquide | METHOD FOR HEAT TREATING METALS |
DE4016183A1 (en) * | 1990-05-19 | 1991-11-21 | Linde Ag | METHOD FOR IMPROVING THE PROVISION OF TREATMENT GAS IN HEAT TREATMENTS |
US5298090A (en) * | 1992-12-22 | 1994-03-29 | Air Products And Chemicals, Inc. | Atmospheres for heat treating non-ferrous metals and alloys |
US5421914A (en) * | 1993-10-12 | 1995-06-06 | The University Of Chicago | Surface modification of high temperature iron alloys |
DE707661T1 (en) * | 1994-04-22 | 1996-10-10 | Innovatique Sa | METHOD AND OVEN FOR NITRATING METALLIC MOLDED PARTS AT LOW PRESSURE |
FR2719057B1 (en) * | 1994-04-22 | 1996-08-23 | Innovatique Sa | Process for the nitriding at low pressure of a metallic part and oven for the implementation of said process. |
JP3495590B2 (en) * | 1997-06-30 | 2004-02-09 | アイシン・エィ・ダブリュ株式会社 | Gears subjected to soft nitriding and method for producing the gears |
DE10003526A1 (en) * | 2000-01-27 | 2001-08-09 | Messer Griesheim Gmbh Frankfur | Process for the carbonitriding of high-carbon and high-alloy steels |
ATE280847T1 (en) * | 2000-02-04 | 2004-11-15 | Ipsen Int Gmbh | METHOD AND USE OF A DEVICE FOR NITROCARBURIZING IRON MATERIALS |
DE50001540D1 (en) * | 2000-02-04 | 2003-04-30 | Ipsen Int Gmbh | Process for nitriding and / or nitrocarburizing higher alloy steels |
GB2383800A (en) * | 2001-07-25 | 2003-07-09 | Nsk Europ Technology Co Ltd | Performance enhancement of steel auxiliary bearing components |
WO2004024970A1 (en) * | 2002-09-16 | 2004-03-25 | Borgwarner, Inc. | High temperature alloy particularly suitable for a long-life turbocharger nozzle ring |
US8967003B2 (en) * | 2005-12-28 | 2015-03-03 | Mitsuba Corporation | Engine starter |
RU2478137C2 (en) * | 2011-06-29 | 2013-03-27 | Открытое акционерное общество "АВТОВАЗ" | Method of thermochemical treatment of steel articles |
KR101215380B1 (en) | 2012-07-24 | 2012-12-26 | (주) 유창스틸산업 | Method of modifying the surface of steel using gaseous nitration and steel prepared by the same |
CN102914151A (en) * | 2012-11-20 | 2013-02-06 | 昆山市大金机械设备厂 | Molten metal retainer |
FR2999609B1 (en) * | 2012-12-13 | 2014-12-19 | Peugeot Citroen Automobiles Sa | PROCESS FOR REINFORCING STEEL BY THERMOCHEMICAL EFFECTS AND RE-AUSTENITISATION EFFECT |
DE102014004311A1 (en) * | 2014-03-25 | 2015-10-01 | Andreas Stihl Ag & Co. Kg | Chain for a working tool, method for producing a bolt for a chain and method for producing a driving member for a chain |
JP6357042B2 (en) * | 2014-07-18 | 2018-07-11 | 株式会社日本テクノ | Gas soft nitriding method and gas soft nitriding apparatus |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD47847A (en) * | ||||
FR711749A (en) * | 1930-02-26 | 1931-09-16 | Electro Metallurg Co | Cementation process by nitriding |
FR711748A (en) * | 1930-02-26 | 1931-09-16 | Electro Metallurg Co | Cementation process |
CH410904A (en) * | 1962-07-12 | 1966-04-15 | Lonza Ag | Process for preventing corrosion in urea synthesis |
DE1521172A1 (en) * | 1966-10-14 | 1969-07-31 | Meinrad Behringer Fa | Process for hardening steel by nitriding and device for carrying out this process |
FR2388896A2 (en) * | 1977-04-27 | 1978-11-24 | Air Prod & Chem | THERMAL TREATMENT PROCESS OF FERROUS METALS |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1793309A (en) * | 1930-02-26 | 1931-02-17 | Electro Metallurg Co | Process of case hardening |
FR2446322A2 (en) * | 1979-01-15 | 1980-08-08 | Air Liquide | METHOD FOR HEAT TREATMENT OF STEEL AND CONTROL OF SAID TREATMENT |
GB2049740A (en) * | 1979-05-15 | 1980-12-31 | Huyton Heat Treatments Ltd | Improvements in or relating to case hardening |
-
1982
- 1982-03-23 FR FR8204874A patent/FR2524006B1/en not_active Expired
-
1983
- 1983-03-16 DE DE8383400541T patent/DE3373197D1/en not_active Expired
- 1983-03-16 EP EP83400541A patent/EP0089885B1/en not_active Expired
- 1983-03-16 AT AT83400541T patent/ATE29154T1/en not_active IP Right Cessation
- 1983-03-17 AU AU12535/83A patent/AU554394B2/en not_active Ceased
- 1983-03-17 ZA ZA831884A patent/ZA831884B/en unknown
- 1983-03-17 US US06/476,369 patent/US4531984A/en not_active Expired - Lifetime
- 1983-03-22 CA CA000424129A patent/CA1215901A/en not_active Expired
- 1983-03-22 ES ES520824A patent/ES520824A0/en active Granted
- 1983-03-23 JP JP58047334A patent/JPS58174573A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD47847A (en) * | ||||
FR711749A (en) * | 1930-02-26 | 1931-09-16 | Electro Metallurg Co | Cementation process by nitriding |
FR711748A (en) * | 1930-02-26 | 1931-09-16 | Electro Metallurg Co | Cementation process |
CH410904A (en) * | 1962-07-12 | 1966-04-15 | Lonza Ag | Process for preventing corrosion in urea synthesis |
DE1521172A1 (en) * | 1966-10-14 | 1969-07-31 | Meinrad Behringer Fa | Process for hardening steel by nitriding and device for carrying out this process |
FR2388896A2 (en) * | 1977-04-27 | 1978-11-24 | Air Prod & Chem | THERMAL TREATMENT PROCESS OF FERROUS METALS |
Non-Patent Citations (2)
Title |
---|
CHEMICAL ABSTRACTS, vol. 39, 1945, colonne 901, résumé no. 8, Columbus, Ohio, US; & SU - A - 59 087 (A.P. SIZOV) 28-02-1941 * |
HÄRTEREITECHNISCHE MITTEILUNGEN, vol. 35, no. 6, juin 1980, pages 284-288, Munich, DE; G. BOUTTIER et al.: "Schutzgasatmosphäre auf Stickstoff-Basis" * |
Also Published As
Publication number | Publication date |
---|---|
DE3373197D1 (en) | 1987-10-01 |
ATE29154T1 (en) | 1987-09-15 |
ES8402361A1 (en) | 1984-01-16 |
CA1215901A (en) | 1986-12-30 |
EP0089885B1 (en) | 1987-08-26 |
JPS58174573A (en) | 1983-10-13 |
EP0089885A2 (en) | 1983-09-28 |
US4531984A (en) | 1985-07-30 |
ES520824A0 (en) | 1984-01-16 |
AU1253583A (en) | 1983-09-29 |
AU554394B2 (en) | 1986-08-21 |
ZA831884B (en) | 1983-11-30 |
FR2524006A1 (en) | 1983-09-30 |
FR2524006B1 (en) | 1985-10-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3373197D1 (en) | Method of surface-hardening metallic parts | |
GB1471880A (en) | Furnace atmosphere for the heat treatment of ferrous metal | |
JPH0344457A (en) | Method for nitriding steel | |
ES8206658A1 (en) | Method and device for carbonizing metallic pieces. | |
KR870010211A (en) | Improved Surface Wear Quality Metal Treatment | |
US4519853B1 (en) | ||
ES2002205A6 (en) | Heat process for producing corrosion resistant steel articles | |
JPH0125823B2 (en) | ||
JPS5541908A (en) | Surface hardening method of steel | |
DE69902169D1 (en) | METHOD FOR LOW PRESSURE NITROCARBURING METAL WORKPIECES | |
DE3661943D1 (en) | Process for rapid cementation in a continuous furnace | |
JPS5544516A (en) | Soft-nitriding method with gas | |
GB1034157A (en) | Case hardening ferrous articles | |
JPS5582729A (en) | Heat treating method for steel material | |
Madsac et al. | Surface Hardening Process for Metal Parts | |
JPS572826A (en) | Quenching method for steel | |
DE59604119D1 (en) | Process for nitriding and / or nitrocarburizing metallic workpieces | |
Kuznetsov et al. | The Effect of the Parameters of Low-Temperature Nitrogen Case Hardening on the Mechanical Properties of the Hardened Layer | |
Streng et al. | Diffusion of Hydrogen During Carburization and Tempering | |
JPS56127769A (en) | Thermochemical treatment of iron alloy | |
Holm | Synthetic heat-treating atmospheres | |
Lakhtin et al. | Nitrogen Case Hardening at 700 deg C With Subsequent Quench Hardening of the Surface Layer | |
Egami et al. | Bending Strength of Some Surface Hardened Steels | |
Florian et al. | On the Equilibrium of the Complex Atmosphere Used in Carburizing and Carbonitriding Treatments of Steels | |
Knechtel | Nitriding |
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: 19830319 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: HIRON, THIERRY Inventor name: MADSAC, MICHEL |
|
ITF | It: translation for a ep patent filed |
Owner name: BARZANO' E ZANARDO MILANO S.P.A. |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
REF | Corresponds to: |
Ref document number: 29154 Country of ref document: AT Date of ref document: 19870915 Kind code of ref document: T |
|
REF | Corresponds to: |
Ref document number: 3373197 Country of ref document: DE Date of ref document: 19871001 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19880331 |
|
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 | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: AT Payment date: 19900207 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: LU Payment date: 19900227 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 19900228 Year of fee payment: 8 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Effective date: 19910316 Ref country code: AT Effective date: 19910316 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee | ||
ITTA | It: last paid annual fee | ||
EAL | Se: european patent in force in sweden |
Ref document number: 83400541.5 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20020211 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 20020214 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 20020218 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20020221 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 20020225 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: BE Payment date: 20020308 Year of fee payment: 20 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20030315 Ref country code: CH Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20030315 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20030316 |
|
BE20 | Be: patent expired |
Owner name: L'*AIR LIQUIDE S.A. POUR L'ETUDE ET L'EXPLOITATION Effective date: 20030316 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
NLV7 | Nl: ceased due to reaching the maximum lifetime of a patent |
Effective date: 20030316 |
|
EUG | Se: european patent has lapsed |