CA1036916A - Process for the regeneration of nitriding and carburizing salt baths - Google Patents
Process for the regeneration of nitriding and carburizing salt bathsInfo
- Publication number
- CA1036916A CA1036916A CA194,051A CA194051A CA1036916A CA 1036916 A CA1036916 A CA 1036916A CA 194051 A CA194051 A CA 194051A CA 1036916 A CA1036916 A CA 1036916A
- Authority
- CA
- Canada
- Prior art keywords
- alkali metal
- bath
- polymeric
- carbonate
- cyanate
- 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
- 238000000034 method Methods 0.000 title claims abstract description 28
- 150000003839 salts Chemical class 0.000 title claims abstract description 28
- 238000005255 carburizing Methods 0.000 title claims abstract description 19
- 238000005121 nitriding Methods 0.000 title claims abstract description 17
- 230000008929 regeneration Effects 0.000 title claims abstract description 13
- 238000011069 regeneration method Methods 0.000 title claims abstract description 13
- -1 alkali metal cyanide Chemical class 0.000 claims abstract description 21
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 20
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 19
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims abstract description 18
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 claims abstract description 15
- 239000000155 melt Substances 0.000 claims abstract description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 14
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims abstract description 14
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 12
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- 229910000027 potassium carbonate Inorganic materials 0.000 claims abstract description 11
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
- 231100000331 toxic Toxicity 0.000 claims abstract description 7
- 230000002588 toxic effect Effects 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- GKKCIDNWFBPDBW-UHFFFAOYSA-M potassium cyanate Chemical compound [K]OC#N GKKCIDNWFBPDBW-UHFFFAOYSA-M 0.000 claims abstract description 6
- ZVCDLGYNFYZZOK-UHFFFAOYSA-M sodium cyanate Chemical compound [Na]OC#N ZVCDLGYNFYZZOK-UHFFFAOYSA-M 0.000 claims abstract description 6
- 229910000288 alkali metal carbonate Inorganic materials 0.000 claims abstract description 5
- 150000008041 alkali metal carbonates Chemical class 0.000 claims abstract description 5
- 150000001408 amides Chemical class 0.000 claims abstract description 5
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims abstract description 4
- 229910001626 barium chloride Inorganic materials 0.000 claims abstract description 4
- 230000007613 environmental effect Effects 0.000 claims abstract description 4
- 150000003672 ureas Chemical class 0.000 claims abstract description 4
- 229920000642 polymer Polymers 0.000 claims abstract description 3
- 229920000877 Melamine resin Polymers 0.000 claims description 6
- 235000011181 potassium carbonates Nutrition 0.000 claims description 4
- JMANVNJQNLATNU-UHFFFAOYSA-N glycolonitrile Natural products N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims description 3
- 150000003918 triazines Chemical class 0.000 claims description 3
- YZEZMSPGIPTEBA-UHFFFAOYSA-N 2-n-(4,6-diamino-1,3,5-triazin-2-yl)-1,3,5-triazine-2,4,6-triamine Chemical compound NC1=NC(N)=NC(NC=2N=C(N)N=C(N)N=2)=N1 YZEZMSPGIPTEBA-UHFFFAOYSA-N 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 2
- 229940093956 potassium carbonate Drugs 0.000 claims 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 235000017550 sodium carbonate Nutrition 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 239000011833 salt mixture Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 150000007974 melamines Chemical class 0.000 description 3
- 235000015320 potassium carbonate Nutrition 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- YIKSCQDJHCMVMK-UHFFFAOYSA-N Oxamide Chemical compound NC(=O)C(N)=O YIKSCQDJHCMVMK-UHFFFAOYSA-N 0.000 description 2
- 229910021386 carbon form Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Inorganic materials [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 1
- 125000005587 carbonate group Chemical group 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000010892 non-toxic waste Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- LIXWSNVLHFNXAJ-UHFFFAOYSA-N sodium;oxidoazaniumylidynemethane Chemical compound [Na+].[O-][N+]#[C-] LIXWSNVLHFNXAJ-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Fertilizers (AREA)
- Polyamides (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Treating Waste Gases (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732310815 DE2310815C3 (de) | 1973-03-05 | Verfahren zum Regenerleren von Nitrier- und Kohlungssatzbädern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1036916A true CA1036916A (en) | 1978-08-22 |
Family
ID=5873812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA194,051A Expired CA1036916A (en) | 1973-03-05 | 1974-03-05 | Process for the regeneration of nitriding and carburizing salt baths |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS547502B2 (https=) |
| AT (1) | AT340981B (https=) |
| BR (1) | BR7401602D0 (https=) |
| CA (1) | CA1036916A (https=) |
| CH (1) | CH586286A5 (https=) |
| DD (1) | DD110058A5 (https=) |
| ES (1) | ES423504A1 (https=) |
| FR (1) | FR2220595B1 (https=) |
| GB (1) | GB1458255A (https=) |
| IN (1) | IN141733B (https=) |
| IT (1) | IT1009199B (https=) |
| SE (1) | SE410012B (https=) |
| SU (1) | SU805954A3 (https=) |
| YU (1) | YU40100B (https=) |
| ZA (1) | ZA741415B (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2441310C3 (de) * | 1974-08-29 | 1978-05-18 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Verfahren zum Nitrieren von Eisen und Stahl in Salzbädern |
| US4938452A (en) * | 1988-12-10 | 1990-07-03 | Aisan Kogyo Kabushiki Kaisha | Air control device for internal combustion engine |
| JP2007225186A (ja) * | 2006-02-23 | 2007-09-06 | Matsushita Electric Ind Co Ltd | 高周波加熱調理装置 |
| CN111560581B (zh) * | 2020-05-29 | 2023-08-25 | 江苏奕华新材料科技有限公司 | 一种用于氮碳氧共渗技术的再生剂及其制备方法 |
-
1974
- 1974-02-18 SU SU741996945A patent/SU805954A3/ru active
- 1974-02-22 ES ES423504A patent/ES423504A1/es not_active Expired
- 1974-03-01 DD DD176897A patent/DD110058A5/xx unknown
- 1974-03-04 AT AT173174A patent/AT340981B/de not_active IP Right Cessation
- 1974-03-04 GB GB960574A patent/GB1458255A/en not_active Expired
- 1974-03-04 YU YU565/74A patent/YU40100B/xx unknown
- 1974-03-04 IN IN462/CAL/74A patent/IN141733B/en unknown
- 1974-03-05 CH CH308774A patent/CH586286A5/xx not_active IP Right Cessation
- 1974-03-05 BR BR1602/74A patent/BR7401602D0/pt unknown
- 1974-03-05 JP JP2566574A patent/JPS547502B2/ja not_active Expired
- 1974-03-05 CA CA194,051A patent/CA1036916A/en not_active Expired
- 1974-03-05 FR FR7407504A patent/FR2220595B1/fr not_active Expired
- 1974-03-05 ZA ZA00741415A patent/ZA741415B/xx unknown
- 1974-03-05 SE SE7402945A patent/SE410012B/xx not_active IP Right Cessation
- 1974-03-06 IT IT67570/74A patent/IT1009199B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2220595A1 (https=) | 1974-10-04 |
| ES423504A1 (es) | 1976-05-16 |
| DE2310815B2 (de) | 1976-08-26 |
| ZA741415B (en) | 1975-01-29 |
| GB1458255A (en) | 1976-12-15 |
| IN141733B (https=) | 1977-04-09 |
| AT340981B (de) | 1978-01-10 |
| JPS49119839A (https=) | 1974-11-15 |
| YU40100B (en) | 1985-08-31 |
| SE410012B (sv) | 1979-09-17 |
| DE2310815A1 (de) | 1974-09-12 |
| DD110058A5 (https=) | 1974-12-05 |
| IT1009199B (it) | 1976-12-10 |
| YU56574A (en) | 1982-02-28 |
| CH586286A5 (https=) | 1977-03-31 |
| JPS547502B2 (https=) | 1979-04-07 |
| FR2220595B1 (https=) | 1976-12-10 |
| BR7401602D0 (pt) | 1974-10-29 |
| SU805954A3 (ru) | 1981-02-15 |
| ATA173174A (de) | 1977-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3303063A (en) | Liquid nitriding process using urea | |
| JP5101173B2 (ja) | 特殊鋼の硬化方法並びに該方法の実施用の溶融塩 | |
| EP0523298B1 (en) | A hard austenitic stainless steel screw | |
| KR102712224B1 (ko) | 자가-부동태화 금속의 화학적 활성화 | |
| CA1036916A (en) | Process for the regeneration of nitriding and carburizing salt baths | |
| JP3056951B2 (ja) | 改良された耐蝕性を有する鉄金属部品の窒化方法 | |
| US5017410A (en) | Wear resistant electroless nickel-boron coating compositions | |
| HU188217B (en) | Salt bath for nitriding iron structural members | |
| CA1058064A (en) | Process for nitriding iron and steel in salt baths | |
| CN100494498C (zh) | 金属材料的表面处理方法 | |
| CA2049829C (en) | Method of improving the corrosion resistance of carbonitrided components made of ferrous materials | |
| JP3636394B2 (ja) | 塩浴中の浸炭窒化前の不動態層を形成する鋼からなる部材の前処理方法 | |
| US2049806A (en) | Carburization of ferrous metals | |
| US4055446A (en) | Salt bath quenching of construction parts treated with a nitriding bath | |
| CA1128378A (en) | Process for producing vanadium carbide layers on iron | |
| US4591397A (en) | Non-cyanide salt bath and process for carburization of ferrous metals and alloys | |
| US3753799A (en) | Heat treatment of alloy steel parts | |
| SU775170A1 (ru) | Среда дл цианировани сталей | |
| JPS58118832A (ja) | 酸性促進化剤に対する酸化剤 | |
| SU1315407A1 (ru) | Способ металлизации изделий из диэлектриков | |
| CA1200472A (en) | Regenerants for carburizing salt baths and a process for the production thereof | |
| JPS61261469A (ja) | 鉄鋼製品の防錆処理方法 | |
| SU1116096A1 (ru) | Способ подготовки стальных деталей перед цементацией | |
| DE2310815C3 (de) | Verfahren zum Regenerleren von Nitrier- und Kohlungssatzbädern | |
| JP3302812B2 (ja) | クロム含有合金の窒化前処理方法 |