CH616455A5 - Process for nitriding iron and steel in a salt bath. - Google Patents
Process for nitriding iron and steel in a salt bath. Download PDFInfo
- 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
Links
- 150000003839 salts Chemical class 0.000 title claims description 44
- 238000005121 nitriding Methods 0.000 title claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 14
- 238000000034 method Methods 0.000 title claims description 13
- 229910000831 Steel Inorganic materials 0.000 title claims description 10
- 239000010959 steel Substances 0.000 title claims description 10
- 229910052742 iron Inorganic materials 0.000 title claims description 7
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 claims description 22
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 19
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 8
- 229910052700 potassium Inorganic materials 0.000 claims description 7
- 239000011591 potassium Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 229910000288 alkali metal carbonate Inorganic materials 0.000 claims description 3
- 150000008041 alkali metal carbonates Chemical class 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- ZVCDLGYNFYZZOK-UHFFFAOYSA-M sodium cyanate Chemical compound [Na]OC#N ZVCDLGYNFYZZOK-UHFFFAOYSA-M 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- 229910017464 nitrogen compound Inorganic materials 0.000 claims description 2
- 150000002830 nitrogen compounds Chemical class 0.000 claims description 2
- 238000007333 cyanation reaction Methods 0.000 claims 1
- 235000002639 sodium chloride Nutrition 0.000 description 37
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000000155 melt Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 241000219112 Cucumis Species 0.000 description 7
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 7
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 7
- 229910001337 iron nitride Inorganic materials 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000010791 quenching Methods 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- LIXWSNVLHFNXAJ-UHFFFAOYSA-N sodium;oxidoazaniumylidynemethane Chemical compound [Na+].[O-][N+]#[C-] LIXWSNVLHFNXAJ-UHFFFAOYSA-N 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- -1 alkali metal cyanides Chemical class 0.000 description 4
- 229910000027 potassium carbonate Inorganic materials 0.000 description 4
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000006396 nitration reaction Methods 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- 229920000877 Melamine resin Polymers 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001913 cyanates Chemical class 0.000 description 2
- 238000001784 detoxification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical class [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910001514 alkali metal chloride Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-N cyanic acid Chemical compound OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010169 landfilling Methods 0.000 description 1
- 238000005088 metallography Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229960002668 sodium chloride Drugs 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000010891 toxic waste Substances 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
- C23C8/42—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)
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 (fr) |
| AR (1) | AR201799A1 (fr) |
| AT (1) | AT349046B (fr) |
| BR (1) | BR7505152A (fr) |
| CA (1) | CA1058064A (fr) |
| CH (1) | CH616455A5 (fr) |
| DE (1) | DE2441310C3 (fr) |
| ES (1) | ES440319A1 (fr) |
| FR (1) | FR2283243A1 (fr) |
| GB (1) | GB1507904A (fr) |
| IN (1) | IN145225B (fr) |
| IT (1) | IT1041591B (fr) |
| SE (1) | SE7509535L (fr) |
| ZA (1) | ZA755450B (fr) |
Families Citing this family (6)
| 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)
| 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 ZA ZA00755450A patent/ZA755450B/xx unknown
- 1975-08-26 GB GB35127/75A patent/GB1507904A/en not_active Expired
- 1975-08-27 SE SE7509535A patent/SE7509535L/xx unknown
- 1975-08-28 AT AT665875A patent/AT349046B/de not_active IP Right Cessation
- 1975-08-28 JP JP50103557A patent/JPS5150241A/ja active Pending
- 1975-08-29 CA CA234,451A patent/CA1058064A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BR7505152A (pt) | 1976-08-03 |
| FR2283243A1 (fr) | 1976-03-26 |
| ES440319A1 (es) | 1977-03-16 |
| GB1507904A (en) | 1978-04-19 |
| JPS5150241A (en) | 1976-05-01 |
| AR201799A1 (es) | 1975-04-15 |
| DE2441310A1 (de) | 1976-03-11 |
| ZA755450B (en) | 1976-07-28 |
| IT1041591B (it) | 1980-01-10 |
| FR2283243B1 (fr) | 1978-04-07 |
| DE2441310C3 (de) | 1978-05-18 |
| SE7509535L (sv) | 1976-03-01 |
| AT349046B (de) | 1979-03-12 |
| IN145225B (fr) | 1978-09-09 |
| CA1058064A (fr) | 1979-07-10 |
| DE2441310B2 (de) | 1977-09-22 |
| ATA665875A (de) | 1978-08-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |