FR2156086A1 - Liquid carburation process - for steel articles - Google Patents

Liquid carburation process - for steel articles

Info

Publication number
FR2156086A1
FR2156086A1 FR7235366A FR7235366A FR2156086A1 FR 2156086 A1 FR2156086 A1 FR 2156086A1 FR 7235366 A FR7235366 A FR 7235366A FR 7235366 A FR7235366 A FR 7235366A FR 2156086 A1 FR2156086 A1 FR 2156086A1
Authority
FR
France
Prior art keywords
bath
steel articles
alkaline earth
articles
liquid carburation
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
FR7235366A
Other languages
French (fr)
Other versions
FR2156086B1 (en
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.)
Park Chemical Co
Original Assignee
Park Chemical Co
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 Park Chemical Co filed Critical Park Chemical Co
Publication of FR2156086A1 publication Critical patent/FR2156086A1/en
Application granted granted Critical
Publication of FR2156086B1 publication Critical patent/FR2156086B1/fr
Granted legal-status Critical Current

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
    • C23C8/40—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 liquids, e.g. salt baths, liquid suspensions
    • C23C8/52—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 liquids, e.g. salt baths, liquid suspensions more than one element being applied in one step
    • C23C8/54—Carbo-nitriding
    • 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
    • C23C8/40—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 liquids, e.g. salt baths, liquid suspensions
    • C23C8/42—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 liquids, e.g. salt baths, liquid suspensions only one element being applied
    • C23C8/44—Carburising
    • 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
    • C23C8/40—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 liquids, e.g. salt baths, liquid suspensions
    • C23C8/42—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 liquids, e.g. salt baths, liquid suspensions only one element being applied
    • C23C8/44—Carburising
    • C23C8/46—Carburising 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
    • C23C8/40—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 liquids, e.g. salt baths, liquid suspensions
    • C23C8/42—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 liquids, e.g. salt baths, liquid suspensions only one element being applied
    • C23C8/48—Nitriding
    • C23C8/50—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)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

The articles are immersed in a salt bath at 760-1040 degrees C. The bath compsn. is (a) 0.001% - 99.9% of alkali metal and/or alkaline earth metal chlorides; (b) 0.001%-99.9% carbonates, oxides, fluorides, pyrophosphates and hydroxides of alkali and alkaline earth metals; (c) a reactive type material of very pure C which is continuously present at the bath surface and is stirred in mechanically to provide a source of C for the bath. The baths are free from cyanide and consequent harmful effects.
FR7235366A 1971-10-06 1972-10-05 Liquid carburation process - for steel articles Granted FR2156086A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18690171A 1971-10-06 1971-10-06

Publications (2)

Publication Number Publication Date
FR2156086A1 true FR2156086A1 (en) 1973-05-25
FR2156086B1 FR2156086B1 (en) 1976-08-20

Family

ID=22686742

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7235366A Granted FR2156086A1 (en) 1971-10-06 1972-10-05 Liquid carburation process - for steel articles

Country Status (4)

Country Link
JP (1) JPS577227B2 (en)
BR (1) BR7206890D0 (en)
CA (1) CA944665A (en)
FR (1) FR2156086A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2416272A1 (en) * 1978-02-03 1979-08-31 Servimetal Surface diffusion hardening of metals in fused salt bath - by injecting diffusing element as gaseous cpd. into the bath
EP0147011A2 (en) * 1983-12-28 1985-07-03 Heatbath Corporation A non-cyanide salt bath and process for carburization of ferrous metals and alloys
CN105683405A (en) * 2013-10-22 2016-06-15 Dk-Lok公司 Partially carburized heat treated stainless ferrule, and manufacturing method therefor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153481A (en) 1977-07-05 1979-05-08 Park Chemical Company Cyanide-free carburizing process and composition
JPS56119767A (en) * 1980-02-23 1981-09-19 Agency Of Ind Science & Technol Carburizing method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR667466A (en) * 1928-01-16 1929-10-17 Degussa Process of carburizing and quenching iron, steel and other similar metals
GB345677A (en) * 1928-12-29 1931-03-27 Albert Stahler Improvements in hardening baths for iron and steel
FR725883A (en) * 1930-11-08 1932-05-19 Houghton Fabrik G M B H Deutsc Steel and iron case-hardening process
DE627008C (en) * 1931-12-13 1936-03-06 Degussa Cementation bath consisting of indifferent salts, finely divided coal and non-cementing alkaline substances
US2041769A (en) * 1932-01-13 1936-05-26 John P Larkin Nitriding process

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR667466A (en) * 1928-01-16 1929-10-17 Degussa Process of carburizing and quenching iron, steel and other similar metals
GB345677A (en) * 1928-12-29 1931-03-27 Albert Stahler Improvements in hardening baths for iron and steel
FR725883A (en) * 1930-11-08 1932-05-19 Houghton Fabrik G M B H Deutsc Steel and iron case-hardening process
DE627008C (en) * 1931-12-13 1936-03-06 Degussa Cementation bath consisting of indifferent salts, finely divided coal and non-cementing alkaline substances
US2041769A (en) * 1932-01-13 1936-05-26 John P Larkin Nitriding process

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2416272A1 (en) * 1978-02-03 1979-08-31 Servimetal Surface diffusion hardening of metals in fused salt bath - by injecting diffusing element as gaseous cpd. into the bath
EP0147011A2 (en) * 1983-12-28 1985-07-03 Heatbath Corporation A non-cyanide salt bath and process for carburization of ferrous metals and alloys
EP0147011A3 (en) * 1983-12-28 1986-03-26 Heatbath Corporation A non-cyanide salt bath and process for carburization of ferrous metals and alloys
CN105683405A (en) * 2013-10-22 2016-06-15 Dk-Lok公司 Partially carburized heat treated stainless ferrule, and manufacturing method therefor
EP3061843A1 (en) * 2013-10-22 2016-08-31 DK-LOK Corporation Partially carburized heat treated stainless ferrule, and manufacturing method therefor
EP3061843A4 (en) * 2013-10-22 2017-05-03 DK-LOK Corporation Partially carburized heat treated stainless ferrule, and manufacturing method therefor

Also Published As

Publication number Publication date
FR2156086B1 (en) 1976-08-20
BR7206890D0 (en) 1973-08-23
CA944665A (en) 1974-04-02
JPS4845441A (en) 1973-06-29
JPS577227B2 (en) 1982-02-09

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