GB1507904A - Process for nitriding iron and steel in a salt bath - Google Patents
Process for nitriding iron and steel in a salt bathInfo
- Publication number
- GB1507904A GB1507904A GB35127/75A GB3512775A GB1507904A GB 1507904 A GB1507904 A GB 1507904A GB 35127/75 A GB35127/75 A GB 35127/75A GB 3512775 A GB3512775 A GB 3512775A GB 1507904 A GB1507904 A GB 1507904A
- Authority
- GB
- United Kingdom
- Prior art keywords
- salt bath
- cyanate
- cyanide
- weight
- calculated
- 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.)
- Expired
Links
- 150000003839 salts Chemical class 0.000 title abstract 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 4
- 229910000831 Steel Inorganic materials 0.000 title abstract 2
- 229910052742 iron Inorganic materials 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000010959 steel Substances 0.000 title abstract 2
- 238000005121 nitriding Methods 0.000 title 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 abstract 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- 229910052799 carbon Inorganic materials 0.000 abstract 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 abstract 2
- 229910001514 alkali metal chloride Inorganic materials 0.000 abstract 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 abstract 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-N cyanic acid Chemical compound OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910017464 nitrogen compound Inorganic materials 0.000 abstract 1
- 150000002830 nitrogen compounds Chemical class 0.000 abstract 1
- 229910000027 potassium carbonate Inorganic materials 0.000 abstract 1
- GKKCIDNWFBPDBW-UHFFFAOYSA-M potassium cyanate Chemical compound [K]OC#N GKKCIDNWFBPDBW-UHFFFAOYSA-M 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- ZVCDLGYNFYZZOK-UHFFFAOYSA-M sodium cyanate Chemical compound [Na]OC#N ZVCDLGYNFYZZOK-UHFFFAOYSA-M 0.000 abstract 1
- 231100000331 toxic Toxicity 0.000 abstract 1
- 230000002588 toxic effect Effects 0.000 abstract 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
- C23C8/42—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)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
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 |
|---|---|
| GB1507904A true GB1507904A (en) | 1978-04-19 |
Family
ID=5924348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB35127/75A Expired GB1507904A (en) | 1974-08-29 | 1975-08-26 | Process for nitriding iron and steel in a salt bath |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS5150241A (https=) |
| AR (1) | AR201799A1 (https=) |
| AT (1) | AT349046B (https=) |
| BR (1) | BR7505152A (https=) |
| CA (1) | CA1058064A (https=) |
| CH (1) | CH616455A5 (https=) |
| DE (1) | DE2441310C3 (https=) |
| ES (1) | ES440319A1 (https=) |
| FR (1) | FR2283243A1 (https=) |
| GB (1) | GB1507904A (https=) |
| IN (1) | IN145225B (https=) |
| IT (1) | IT1041591B (https=) |
| SE (1) | SE7509535L (https=) |
| ZA (1) | ZA755450B (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012146839A1 (fr) | 2011-03-11 | 2012-11-01 | H.E.F. | Bain de sels fondus pour la nitruration de pieces mecaniques en acier, et un procede de mise en oeuvre |
Families Citing this family (5)
| 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 |
Family Cites Families (2)
| 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 |
-
1974
- 1974-08-29 DE DE2441310A patent/DE2441310C3/de not_active Expired
- 1974-12-11 AR AR256865A patent/AR201799A1/es active
-
1975
- 1975-08-04 IN IN1529/CAL/1975A patent/IN145225B/en unknown
- 1975-08-12 BR BR7505152*A patent/BR7505152A/pt unknown
- 1975-08-13 CH CH1053975A patent/CH616455A5/de not_active IP Right Cessation
- 1975-08-19 ES ES440319A patent/ES440319A1/es not_active Expired
- 1975-08-21 IT IT69115/75A patent/IT1041591B/it active
- 1975-08-25 FR FR7526174A patent/FR2283243A1/fr active Granted
- 1975-08-26 GB GB35127/75A patent/GB1507904A/en not_active Expired
- 1975-08-26 ZA ZA00755450A patent/ZA755450B/xx unknown
- 1975-08-27 SE SE7509535A patent/SE7509535L/xx unknown
- 1975-08-28 JP JP50103557A patent/JPS5150241A/ja active Pending
- 1975-08-28 AT AT665875A patent/AT349046B/de not_active IP Right Cessation
- 1975-08-29 CA CA234,451A patent/CA1058064A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012146839A1 (fr) | 2011-03-11 | 2012-11-01 | H.E.F. | Bain de sels fondus pour la nitruration de pieces mecaniques en acier, et un procede de mise en oeuvre |
| US9611534B2 (en) | 2011-03-11 | 2017-04-04 | H.E.F. | Molten-salt bath for nitriding mechanical parts made of steel, and implementation method |
Also Published As
| Publication number | Publication date |
|---|---|
| AT349046B (de) | 1979-03-12 |
| IT1041591B (it) | 1980-01-10 |
| JPS5150241A (en) | 1976-05-01 |
| IN145225B (https=) | 1978-09-09 |
| ATA665875A (de) | 1978-08-15 |
| DE2441310A1 (de) | 1976-03-11 |
| ES440319A1 (es) | 1977-03-16 |
| DE2441310C3 (de) | 1978-05-18 |
| FR2283243B1 (https=) | 1978-04-07 |
| AR201799A1 (es) | 1975-04-15 |
| DE2441310B2 (de) | 1977-09-22 |
| CH616455A5 (en) | 1980-03-31 |
| SE7509535L (sv) | 1976-03-01 |
| CA1058064A (en) | 1979-07-10 |
| ZA755450B (en) | 1976-07-28 |
| FR2283243A1 (fr) | 1976-03-26 |
| BR7505152A (pt) | 1976-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19950825 |