CH366848A - Verfahren zum Nitrieren von Metallen, insbesondere Eisenlegierungen, in alkalicyanid- und alkalicyanathaltigen Salzbädern - Google Patents

Verfahren zum Nitrieren von Metallen, insbesondere Eisenlegierungen, in alkalicyanid- und alkalicyanathaltigen Salzbädern

Info

Publication number: CH366848A
Authority: CH; Switzerland
Prior art keywords: bath; sep; salt; alkali; container
Prior art date: 1959-04-10

Application number

CH280160A

Other languages

German (de)

English (en)

Inventor

Albrecht Carl

Johannes Dr Mueller

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.)

1959-04-10

Filing date

1960-03-12

Publication date

1963-01-31

1959-04-10 Priority claimed from DED30396A external-priority patent/DE1149035B/de

1959-07-18 Priority claimed from DE1959D0018609 external-priority patent/DE1795261U/de

1960-03-12 Application filed by Degussa filed Critical Degussa

1963-01-31 Publication of CH366848A publication Critical patent/CH366848A/de

Links

238000005121 nitriding Methods 0.000 title claims description 15
238000000034 method Methods 0.000 title claims description 12
150000003839 salts Chemical class 0.000 title claims description 11
239000003513 alkali Substances 0.000 title claims description 10
XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 title claims description 9
XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 title claims description 8
229910052751 metal Inorganic materials 0.000 title claims description 4
239000002184 metal Substances 0.000 title claims description 4
229910000640 Fe alloy Inorganic materials 0.000 title claims description 3
150000002739 metals Chemical class 0.000 title claims 2
230000001590 oxidative effect Effects 0.000 claims description 5
239000011833 salt mixture Substances 0.000 claims description 5
MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 claims description 5
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
229910052700 potassium Inorganic materials 0.000 claims description 3
239000011591 potassium Substances 0.000 claims description 3
150000001447 alkali salts Chemical class 0.000 claims 1
229910010293 ceramic material Inorganic materials 0.000 claims 1
230000000694 effects Effects 0.000 description 8
239000007789 gas Substances 0.000 description 8
229910000831 Steel Inorganic materials 0.000 description 5
239000010959 steel Substances 0.000 description 5
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
238000005452 bending Methods 0.000 description 2
230000002349 favourable effect Effects 0.000 description 2
239000010410 layer Substances 0.000 description 2
230000007774 longterm Effects 0.000 description 2
150000004767 nitrides Chemical class 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
208000035859 Drug effect increased Diseases 0.000 description 1
229910002651 NO3 Inorganic materials 0.000 description 1
NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
229910052783 alkali metal Inorganic materials 0.000 description 1
150000001340 alkali metals Chemical class 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
239000000919 ceramic Substances 0.000 description 1
150000003841 chloride salts Chemical class 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000009792 diffusion process Methods 0.000 description 1
238000007598 dipping method Methods 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000012774 insulation material Substances 0.000 description 1
238000011835 investigation Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
239000000155 melt Substances 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
150000001247 metal acetylides Chemical class 0.000 description 1
239000000203 mixture Substances 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
239000011148 porous material Substances 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
239000000126 substance Substances 0.000 description 1
239000002344 surface layer Substances 0.000 description 1
238000009423 ventilation Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

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
- C23C8/48—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)
Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Treating Waste Gases (AREA)

CH280160A 1959-04-10 1960-03-12 Verfahren zum Nitrieren von Metallen, insbesondere Eisenlegierungen, in alkalicyanid- und alkalicyanathaltigen Salzbädern CH366848A (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DED30396A DE1149035B (de)	1959-04-10	1959-04-10	Verfahren und Vorrichtung zum Nitrieren von Metallen, insbesondere Eisenlegierungen, in alkalicyanid- und alkalicyanathaltigen Salzbaedern
DE1959D0018609 DE1795261U (de)	1959-07-18	1959-07-18	Ofen zum nitrieren von metallen, insbesondere eisenlegierungen, in alkalicyanid- und alkalicyanathaltigen salzbaedern.

Publications (1)

Publication Number	Publication Date
CH366848A true CH366848A (de)	1963-01-31

Family

ID=25970707

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH280160A CH366848A (de)	1959-04-10	1960-03-12	Verfahren zum Nitrieren von Metallen, insbesondere Eisenlegierungen, in alkalicyanid- und alkalicyanathaltigen Salzbädern

Country Status (3)

Country	Link
BE (1)	BE589030A (fr)
CH (1)	CH366848A (fr)
GB (1)	GB891568A (fr)

1960
- 1960-03-12 CH CH280160A patent/CH366848A/de unknown
- 1960-03-24 BE BE589030A patent/BE589030A/fr unknown
- 1960-04-08 GB GB1261960A patent/GB891568A/en not_active Expired

Also Published As

Publication number	Publication date
BE589030A (fr)	1960-07-18
GB891568A (en)	1962-03-14

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