EP0080124A3 - Process for case hardening metallic articles - Google Patents

Process for case hardening metallic articles Download PDF

Info

Publication number
EP0080124A3
EP0080124A3 EP82110429A EP82110429A EP0080124A3 EP 0080124 A3 EP0080124 A3 EP 0080124A3 EP 82110429 A EP82110429 A EP 82110429A EP 82110429 A EP82110429 A EP 82110429A EP 0080124 A3 EP0080124 A3 EP 0080124A3
Authority
EP
European Patent Office
Prior art keywords
case hardening
metallic articles
hardening metallic
articles
case
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
Application number
EP82110429A
Other languages
German (de)
Other versions
EP0080124A2 (en
EP0080124B1 (en
Inventor
Thomas Dipl.-Ing. Mahlo
Karl Dipl.-Chem Dorhofer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Linde GmbH
Original Assignee
Linde GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Linde GmbH filed Critical Linde GmbH
Publication of EP0080124A2 publication Critical patent/EP0080124A2/en
Publication of EP0080124A3 publication Critical patent/EP0080124A3/en
Application granted granted Critical
Publication of EP0080124B1 publication Critical patent/EP0080124B1/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C8/00Solid 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
    • C23C8/06Solid 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
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C8/00Solid 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
    • C23C8/06Solid 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
    • C23C8/08Solid 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
    • C23C8/20Carburising
    • C23C8/22Carburising 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)
  • Regulation And Control Of Combustion (AREA)
  • Arc Welding Control (AREA)
  • Contacts (AREA)
EP82110429A 1981-11-20 1982-11-11 Process for case hardening metallic articles Expired EP0080124B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3146042 1981-11-20
DE19813146042 DE3146042A1 (en) 1981-11-20 1981-11-20 METHOD FOR USEFUL METAL WORKPIECES

Publications (3)

Publication Number Publication Date
EP0080124A2 EP0080124A2 (en) 1983-06-01
EP0080124A3 true EP0080124A3 (en) 1984-08-22
EP0080124B1 EP0080124B1 (en) 1986-09-24

Family

ID=6146826

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82110429A Expired EP0080124B1 (en) 1981-11-20 1982-11-11 Process for case hardening metallic articles

Country Status (9)

Country Link
EP (1) EP0080124B1 (en)
AT (1) AT373294B (en)
AU (1) AU548340B2 (en)
BR (1) BR8206714A (en)
DE (2) DE3146042A1 (en)
ES (1) ES8307921A1 (en)
GR (1) GR77758B (en)
NO (1) NO823887L (en)
ZA (1) ZA828553B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139584A (en) * 1989-07-13 1992-08-18 Solo Fours Industriels Sa Carburization process
FR2656003B1 (en) * 1989-12-14 1994-02-11 Michel Gantois PROCESS AND PLANT FOR THERMAL OR THERMOCHEMICAL TREATMENT OF STEEL, ENABLING THE CONTROL OF CARBON ENRICHMENT IN THE SURFACE ZONE.
FR2681332B1 (en) * 1991-09-13 1994-06-10 Innovatique Sa METHOD AND DEVICE FOR CEMENTING STEEL IN A LOW PRESSURE ATMOSPHERE.
US6547888B1 (en) * 2000-01-28 2003-04-15 Swagelok Company Modified low temperature case hardening processes
ATE274073T1 (en) * 2000-05-24 2004-09-15 Ipsen Int Gmbh METHOD AND DEVICE FOR THE HEAT TREATMENT OF METAL WORKPIECES
FR2821362B1 (en) * 2001-02-23 2003-06-13 Etudes Const Mecaniques LOW PRESSURE CEMENTING PROCESS
DE10221605A1 (en) * 2002-05-15 2003-12-04 Linde Ag Method and device for the heat treatment of metallic workpieces
WO2007062008A2 (en) * 2005-11-23 2007-05-31 Surface Combustion, Inc. Surface treatment of metallic articles in an atmospheric furnace
DE102007038983A1 (en) * 2007-08-17 2009-02-19 Robert Bosch Gmbh Method for producing a wear protection layer on a soft magnetic component
DE102007047074A1 (en) * 2007-10-01 2009-04-02 Robert Bosch Gmbh Method of carburizing workpieces and use
WO2012048669A1 (en) 2010-10-11 2012-04-19 Ipsen International Gmbh Method and arrangement for carburizing and carbonitriding metallic materials
CN103556106B (en) * 2013-10-30 2015-10-28 西安航空动力股份有限公司 A kind of preparation method of 1Cr17Ni2 alloy material high-temperature vacuum cementation zone

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE618026C (en) * 1932-08-28 1935-08-30 Ewald Hanus Method of cementing iron and steel
DE726134C (en) * 1938-03-30 1942-10-07 Louis Renault Method and device for hardening steel in a gas muffle furnace
FR1164640A (en) * 1955-12-06 1958-10-13 Elino Ind Ofenbau Carl Hanf & Process for cementation, nitriding and carbonitriding of steel parts
DE2851982A1 (en) * 1978-12-01 1980-06-12 Degussa Control of gas carburising at low pressures - involves pumping gas out of vacuum furnace and replacing it after it has decomposed by specific amt.
EP0049530A1 (en) * 1980-10-08 1982-04-14 Linde Aktiengesellschaft Method and device for carbonizing metallic pieces

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3038082A1 (en) * 1980-10-08 1982-05-06 Linde Ag, 6200 Wiesbaden METHOD FOR USEFUL METAL WORKPIECES

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE618026C (en) * 1932-08-28 1935-08-30 Ewald Hanus Method of cementing iron and steel
DE726134C (en) * 1938-03-30 1942-10-07 Louis Renault Method and device for hardening steel in a gas muffle furnace
FR1164640A (en) * 1955-12-06 1958-10-13 Elino Ind Ofenbau Carl Hanf & Process for cementation, nitriding and carbonitriding of steel parts
DE2851982A1 (en) * 1978-12-01 1980-06-12 Degussa Control of gas carburising at low pressures - involves pumping gas out of vacuum furnace and replacing it after it has decomposed by specific amt.
EP0049530A1 (en) * 1980-10-08 1982-04-14 Linde Aktiengesellschaft Method and device for carbonizing metallic pieces

Also Published As

Publication number Publication date
EP0080124A2 (en) 1983-06-01
DE3146042A1 (en) 1983-05-26
GR77758B (en) 1984-09-25
DE3273483D1 (en) 1986-10-30
AT373294B (en) 1984-01-10
ZA828553B (en) 1983-09-28
ATA84282A (en) 1983-05-15
AU9040182A (en) 1983-05-26
EP0080124B1 (en) 1986-09-24
AU548340B2 (en) 1985-12-05
ES517532A0 (en) 1983-08-01
BR8206714A (en) 1983-10-04
NO823887L (en) 1983-05-24
ES8307921A1 (en) 1983-08-01

Similar Documents

Publication Publication Date Title
DE3275121D1 (en) Process for preparing solid shaped articles
GB2044805B (en) Process for phosphating metal surface
PT75923A (en) Process for preparing solid shaped articles
JPS57155290A (en) Hydrogen-coal process
DE3267010D1 (en) Process for phosphating metal surfaces
DE3273483D1 (en) Process for case hardening metallic articles
IL65910A0 (en) Co-nitrating process
YU149482A (en) Process for obtaining amido-benzamides
YU43084B (en) Process for obtaining s-benzylthiocarbamates
GB2091234B (en) Process for preparing carburizing agents
YU43795B (en) Process for foam-flotation
EP0062997A3 (en) Refractory articles and a method for the manufacture thereof
ZA823402B (en) Comminnution process
GB2103616B (en) Process for manufacturing metallic soap
DE3467106D1 (en) Process for manufacturing metal products
ZA84520B (en) Process for hardening metal parts
GB2069391B (en) Forming metal articles
PT75809B (en) Process for forming bodies or pieces
ZA828133B (en) Process for treating cassiterite ore
DE3174840D1 (en) Process for carburizing ferrous metals
GB2091398B (en) Apparatus for hardening metallic workpieces
DE3173690D1 (en) A process for case hardening steel
DE3276009D1 (en) Enameling process
ZA812499B (en) Process for case-hardening metallic workpieces
YU43789B (en) Process for obtaining azaspiro-alcandione

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

AK Designated contracting states

Designated state(s): BE CH DE FR GB IT LI NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): BE CH DE FR GB IT LI NL

17P Request for examination filed

Effective date: 19840914

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE CH DE FR GB IT LI NL

REF Corresponds to:

Ref document number: 3273483

Country of ref document: DE

Date of ref document: 19861030

ET Fr: translation filed
ITF It: translation for a ep patent 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
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19890419

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19891107

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19891117

Year of fee payment: 8

Ref country code: BE

Payment date: 19891117

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19891130

Year of fee payment: 8

Ref country code: GB

Payment date: 19891130

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19900801

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19901111

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19901130

Ref country code: CH

Effective date: 19901130

Ref country code: BE

Effective date: 19901130

BERE Be: lapsed

Owner name: LINDE A.G.

Effective date: 19901130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19910601

GBPC Gb: european patent ceased through non-payment of renewal fee
NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19910731

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST