JPS4945981B1 - - Google Patents

Info

Publication number
JPS4945981B1
JPS4945981B1 JP45011287A JP1128770A JPS4945981B1 JP S4945981 B1 JPS4945981 B1 JP S4945981B1 JP 45011287 A JP45011287 A JP 45011287A JP 1128770 A JP1128770 A JP 1128770A JP S4945981 B1 JPS4945981 B1 JP S4945981B1
Authority
JP
Japan
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.)
Pending
Application number
JP45011287A
Other languages
Japanese (ja)
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 filed Critical
Priority to JP45011287A priority Critical patent/JPS4945981B1/ja
Priority to US00111906A priority patent/US3726772A/en
Priority to DE2105816A priority patent/DE2105816C3/en
Publication of JPS4945981B1 publication Critical patent/JPS4945981B1/ja
Pending 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
    • C23C8/42—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)
  • Electrolytic Production Of Metals (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
JP45011287A 1970-02-09 1970-02-09 Pending JPS4945981B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP45011287A JPS4945981B1 (en) 1970-02-09 1970-02-09
US00111906A US3726772A (en) 1970-02-09 1971-02-02 Method for removing iron impurities contained in a salt bath for nitrogenation
DE2105816A DE2105816C3 (en) 1970-02-09 1971-02-08 Process for the cathodic removal of iron impurities from a nitrating salt bath

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45011287A JPS4945981B1 (en) 1970-02-09 1970-02-09

Publications (1)

Publication Number Publication Date
JPS4945981B1 true JPS4945981B1 (en) 1974-12-07

Family

ID=11773763

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45011287A Pending JPS4945981B1 (en) 1970-02-09 1970-02-09

Country Status (3)

Country Link
US (1) US3726772A (en)
JP (1) JPS4945981B1 (en)
DE (1) DE2105816C3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE792479A (en) * 1971-12-09 1973-03-30 Nippon Sheet Glass Co Ltd ELIMINATION OF HARMFUL SUBSTANCES EXCEPT MOLTEN SALTS USED FOR THE TREATMENT OF IONIC EXCHANGE OF OBJECTS IN
AT347994B (en) * 1974-03-21 1979-01-25 Daimler Benz Ag METAL NITRATION METHOD
FR2265866B1 (en) * 1974-03-27 1976-12-17 Siderurgie Fse Inst Rech
JPS575859A (en) * 1980-06-13 1982-01-12 Shinzo Sato High temperature electrolytic nitriding method
US4744875A (en) * 1985-05-21 1988-05-17 The United States Of America As Represented By The United States Department Of Energy Steel refining with an electrochemical cell

Also Published As

Publication number Publication date
US3726772A (en) 1973-04-10
DE2105816A1 (en) 1972-01-05
DE2105816B2 (en) 1975-03-06
DE2105816C3 (en) 1975-12-04

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