CH616455A5 - Process for nitriding iron and steel in a salt bath. - Google Patents

Process for nitriding iron and steel in a salt bath. Download PDF

Info

Publication number
CH616455A5
CH616455A5 CH1053975A CH1053975A CH616455A5 CH 616455 A5 CH616455 A5 CH 616455A5 CH 1053975 A CH1053975 A CH 1053975A CH 1053975 A CH1053975 A CH 1053975A CH 616455 A5 CH616455 A5 CH 616455A5
Authority
CH
Switzerland
Prior art keywords
weight
salt bath
cyanate
cyanide
salt
Prior art date
Application number
CH1053975A
Other languages
German (de)
English (en)
Inventor
Hermann Dr Beyer
Peter Biberbach
Christian Scondo
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of CH616455A5 publication Critical patent/CH616455A5/de

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
    • C23C8/42—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)
  • Processing Of Solid Wastes (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
CH1053975A 1974-08-29 1975-08-13 Process for nitriding iron and steel in a salt bath. CH616455A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2441310A DE2441310C3 (de) 1974-08-29 1974-08-29 Verfahren zum Nitrieren von Eisen und Stahl in Salzbädern

Publications (1)

Publication Number Publication Date
CH616455A5 true CH616455A5 (en) 1980-03-31

Family

ID=5924348

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1053975A CH616455A5 (en) 1974-08-29 1975-08-13 Process for nitriding iron and steel in a salt bath.

Country Status (14)

Country Link
JP (1) JPS5150241A (xx)
AR (1) AR201799A1 (xx)
AT (1) AT349046B (xx)
BR (1) BR7505152A (xx)
CA (1) CA1058064A (xx)
CH (1) CH616455A5 (xx)
DE (1) DE2441310C3 (xx)
ES (1) ES440319A1 (xx)
FR (1) FR2283243A1 (xx)
GB (1) GB1507904A (xx)
IN (1) IN145225B (xx)
IT (1) IT1041591B (xx)
SE (1) SE7509535L (xx)
ZA (1) ZA755450B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1576143A (en) * 1977-07-20 1980-10-01 Brico Eng Sintered metal articles
BR8705165A (pt) * 1987-09-14 1989-04-11 Alcoa Aluminio Do Nordeste S A Processo para o tratamento termico de ligas metalicas
US4938452A (en) * 1988-12-10 1990-07-03 Aisan Kogyo Kabushiki Kaisha Air control device for internal combustion engine
DE4119820C1 (en) * 1991-06-15 1992-09-03 Goetz Dr. 5400 Koblenz De Baum Treatment of iron@ (alloys) on same support - comprises nitriding in molten alkali metal cyanate and quenching in hot aq. salt bath
DE4324740C1 (de) * 1993-07-23 1994-06-16 Degussa Verfahren zur Herstellung eines Härtesalzes in stückiger Form
FR2972459B1 (fr) 2011-03-11 2013-04-12 Hydromecanique & Frottement Bains de sels fondus pour la nitruration de pieces mecaniques en acier, et un procede de mise en oeuvre

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU805954A3 (ru) * 1973-03-05 1981-02-15 Дегусса (Фирма) Способ регенерации карбонатсодержащихСОлЕВыХ РАСплАВОВ дл НиТРиРОВАНи и/или НАуглЕРОжиВАНи МЕТАлличЕСКиХиздЕлий
FR2234380A1 (en) * 1973-06-20 1975-01-17 Stephanois Rech Mecanique Cent Regenerating cyanate-carbonate molten salt baths - by adding amide pretreated to liberate ammonia

Also Published As

Publication number Publication date
BR7505152A (pt) 1976-08-03
GB1507904A (en) 1978-04-19
SE7509535L (sv) 1976-03-01
FR2283243B1 (xx) 1978-04-07
AT349046B (de) 1979-03-12
ES440319A1 (es) 1977-03-16
ZA755450B (en) 1976-07-28
DE2441310A1 (de) 1976-03-11
DE2441310C3 (de) 1978-05-18
FR2283243A1 (fr) 1976-03-26
JPS5150241A (en) 1976-05-01
AR201799A1 (es) 1975-04-15
ATA665875A (de) 1978-08-15
DE2441310B2 (de) 1977-09-22
IT1041591B (it) 1980-01-10
IN145225B (xx) 1978-09-09
CA1058064A (en) 1979-07-10

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