CH647002A5 - Verfahren zum aufkohlen von stahl im salzbad. - Google Patents

Verfahren zum aufkohlen von stahl im salzbad. Download PDF

Info

Publication number: CH647002A5
Authority: CH; Switzerland
Prior art keywords: salt; bath; carburizing; alkaline earth; earth metal
Prior art date: 1980-12-23

Application number

CH519481A

Other languages

German (de)

English (en)

Inventor

Heinrich Michel

Alexander Pralea

Original Assignee

Goerig & Co Gmbh & Co Kg

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.)

1980-12-23

Filing date

1981-08-12

Publication date

1984-12-28

1981-08-12 Application filed by Goerig & Co Gmbh & Co Kg filed Critical Goerig & Co Gmbh & Co Kg

1984-12-28 Publication of CH647002A5 publication Critical patent/CH647002A5/de

Links

238000000034 method Methods 0.000 title claims abstract description 35
150000003839 salts Chemical class 0.000 title claims abstract description 34
238000005255 carburizing Methods 0.000 claims abstract description 19
229910000831 Steel Inorganic materials 0.000 claims abstract description 11
239000010959 steel Substances 0.000 claims abstract description 11
238000010791 quenching Methods 0.000 claims abstract description 8
230000000171 quenching effect Effects 0.000 claims abstract description 6
239000003513 alkali Substances 0.000 claims abstract 8
150000004820 halides Chemical class 0.000 claims abstract 7
239000000203 mixture Substances 0.000 claims abstract 6
XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 claims abstract 2
239000000463 material Substances 0.000 claims abstract 2
XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 11
229910052783 alkali metal Inorganic materials 0.000 claims description 3
-1 alkali metal cyanate Chemical class 0.000 claims description 2
GKKCIDNWFBPDBW-UHFFFAOYSA-M potassium cyanate Chemical compound [K]OC#N GKKCIDNWFBPDBW-UHFFFAOYSA-M 0.000 claims description 2
239000000276 potassium ferrocyanide Substances 0.000 claims description 2
230000001105 regulatory effect Effects 0.000 claims description 2
XOGGUFAVLNCTRS-UHFFFAOYSA-N tetrapotassium;iron(2+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] XOGGUFAVLNCTRS-UHFFFAOYSA-N 0.000 claims description 2
229910001615 alkaline earth metal halide Inorganic materials 0.000 claims 9
238000002360 preparation method Methods 0.000 claims 4
239000002360 explosive Substances 0.000 claims 2
YBVAXJOZZAJCLA-UHFFFAOYSA-N nitric acid nitrous acid Chemical compound ON=O.O[N+]([O-])=O YBVAXJOZZAJCLA-UHFFFAOYSA-N 0.000 claims 2
FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims 1
150000001340 alkali metals Chemical class 0.000 claims 1
238000006243 chemical reaction Methods 0.000 claims 1
230000007613 environmental effect Effects 0.000 claims 1
239000007788 liquid Substances 0.000 claims 1
238000007254 oxidation reaction Methods 0.000 claims 1
235000012249 potassium ferrocyanide Nutrition 0.000 claims 1
239000011833 salt mixture Substances 0.000 claims 1
238000007086 side reaction Methods 0.000 claims 1
ZVCDLGYNFYZZOK-UHFFFAOYSA-M sodium cyanate Chemical compound [Na]OC#N ZVCDLGYNFYZZOK-UHFFFAOYSA-M 0.000 claims 1
GTSHREYGKSITGK-UHFFFAOYSA-N sodium ferrocyanide Chemical compound [Na+].[Na+].[Na+].[Na+].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] GTSHREYGKSITGK-UHFFFAOYSA-N 0.000 claims 1
235000012247 sodium ferrocyanide Nutrition 0.000 claims 1
239000000264 sodium ferrocyanide Substances 0.000 claims 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
229910052799 carbon Inorganic materials 0.000 description 4
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
239000000956 alloy Substances 0.000 description 2
229910045601 alloy Inorganic materials 0.000 description 2
WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 2
229910001626 barium chloride Inorganic materials 0.000 description 2
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
229910001203 Alloy 20 Inorganic materials 0.000 description 1
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
239000008280 blood Substances 0.000 description 1
210000004369 blood Anatomy 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
239000000155 melt Substances 0.000 description 1
LJYRLGOJYKPILZ-UHFFFAOYSA-N murexide Chemical compound [NH4+].N1C(=O)NC(=O)C(N=C2C(NC(=O)NC2=O)=O)=C1[O-] LJYRLGOJYKPILZ-UHFFFAOYSA-N 0.000 description 1
239000003345 natural gas Substances 0.000 description 1
LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
239000001103 potassium chloride Substances 0.000 description 1
235000011164 potassium chloride Nutrition 0.000 description 1
235000010333 potassium nitrate Nutrition 0.000 description 1
239000004323 potassium nitrate Substances 0.000 description 1
238000005070 sampling Methods 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
235000010288 sodium nitrite Nutrition 0.000 description 1
238000004448 titration 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
- 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
- C23C8/56—Carbo-nitriding of ferrous surfaces
- 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
- C23C8/44—Carburising
- C23C8/46—Carburising 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)
Heat Treatment Of Articles (AREA)
Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Treatment Of Steel In Its Molten State (AREA)
Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

CH519481A 1980-12-23 1981-08-12 Verfahren zum aufkohlen von stahl im salzbad. CH647002A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE3048607A DE3048607C2 (de)	1980-12-23	1980-12-23	Cyanidfreies Verfahren zum Aufkohlen von Stahl und Zugabesalz zur Durchführung des Verfahrens

Publications (1)

Publication Number	Publication Date
CH647002A5 true CH647002A5 (de)	1984-12-28

Family

ID=6120037

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH519481A CH647002A5 (de)	1980-12-23	1981-08-12	Verfahren zum aufkohlen von stahl im salzbad.

Country Status (4)

Country	Link
EP (1)	EP0054962B1 (fr)
AT (1)	ATE12951T1 (fr)
CH (1)	CH647002A5 (fr)
DE (2)	DE3048607C2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6093303A (en) *	1998-08-12	2000-07-25	Swagelok Company	Low temperature case hardening processes
US6165597A (en) *	1998-08-12	2000-12-26	Swagelok Company	Selective case hardening processes at low temperature
US6547888B1 (en)	2000-01-28	2003-04-15	Swagelok Company	Modified low temperature case hardening processes
DE102006026883B8 (de)	2006-06-09	2007-10-04	Durferrit Gmbh	Verfahren zum Härten von Edelstahl und Salzschmelze zur Durchführung des Verfahrens
DE102007051949B3 (de) *	2007-10-31	2009-03-12	Durferrit Gmbh	Verfahren zum Härten von Oberflächen von Werkstücken aus Edelstahl und Verwendung einer Salzschmelze zur Durchführung des Verfahrens

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1053243A (fr) *		1900-01-01
US1952090A (en) *	1931-07-11	1934-03-27	American Cyanamid Co	Case-hardening metals

1980
- 1980-12-23 DE DE3048607A patent/DE3048607C2/de not_active Expired
1981
- 1981-08-12 CH CH519481A patent/CH647002A5/de not_active IP Right Cessation
- 1981-12-22 DE DE8181110690T patent/DE3170212D1/de not_active Expired
- 1981-12-22 EP EP81110690A patent/EP0054962B1/fr not_active Expired
- 1981-12-22 AT AT81110690T patent/ATE12951T1/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP0054962B1 (fr)	1985-04-24
DE3048607C2 (de)	1983-07-07
ATE12951T1 (de)	1985-05-15
DE3048607A1 (de)	1982-07-01
DE3170212D1 (en)	1985-05-30
EP0054962A1 (fr)	1982-06-30

Legal Events

Date	Code	Title	Description
1988-04-29	PL	Patent ceased
2024-10-31	PL	Patent ceased

Publication	Publication Date	Title
DE2334992C2 (de)	1984-08-16	Isothermisch behandeltes Gußeisen mit Kugelgraphit
DE69924951T2 (de)	2006-03-02	Niedrig legierter Stahl für röhrenförmige Gegenstände in der Ölindustrie
DE3314708C2 (fr)	1987-10-22
DE3923999A1 (de)	1990-02-01	Verfahren zum aufkohlen und vergueten von stahlteilen
DE2934113A1 (de)	1981-04-09	Verfahren zur erhoehung der korrosionsbestaendigkeit nitrierter bauteile aus eisenwerkstoffen
DE1292464B (de)	1969-04-10	Diffusionsueberzogener Eisenmetallkoerper und Verfahren zu dessen Herstellung
DE1521660B2 (fr)	1970-12-17
DE2830850B2 (de)	1981-04-16	Verwendung eines Einsatzstahls
CH647002A5 (de)	1984-12-28	Verfahren zum aufkohlen von stahl im salzbad.
DE69502609T2 (de)	1998-12-24	Kavitationsbeständige fluidumschaufelräder und verfahren zu deren herstellung
DE4442328C1 (de)	1995-09-21	Verfahren zur Vorbehandlung von Stahlteilen vor dem Salzbadnitrieren
DE1950004B2 (de)	1973-09-27	Verwendung eines Stahles fur Bau teile mit hoher Schwingungsfestigkeit
DE2652382A1 (de)	1977-05-26	Verfahren zur karbonitrierung von stahl und roheisen
DE2553051C3 (de)	1982-03-25	Verfahren zum Feuer-Tauchaluminieren der Erzeugnisse aus Eisenlegierungen
DE2756191C3 (de)	1988-12-22	Verfahren zur Wärmebehandlung von Bohrloch-Auskleidungen
AT222157B (de)	1962-07-10	Verfahren und Vorrichtung zum Nitrieren von Metallen, insbesondere Eisenlegierungen, in alkalicyanid- und alkalicyanathaltigen Salzbädern
DE1758208A1 (de)	1971-01-28	Verfahren zur Waermebehandlung von Staehlen
DE1508221C3 (de)	1975-02-13	Vorlegierung zur Herstellung von GuBeisen mit Kugelgraphit
DE2109997A1 (de)	1971-10-07	Verfahren zum metallischen Zemen tieren
DE2709263A1 (de)	1977-09-15	Hochfester stahl fuer das aufchromen durch diffusion
AT258993B (de)	1967-12-27	Verfahren zum Aufkohlen und Carbonitrieren von legierten und unlegierten Stählen
AT271539B (de)	1969-06-10	Verfahren zur Wärmebehandlung von Metallen, insbesondere von Stahl
EP0890656A1 (fr)	1999-01-13	Procédé de nitruration de surfaces de pièces métalliques
CH366848A (de)	1963-01-31	Verfahren zum Nitrieren von Metallen, insbesondere Eisenlegierungen, in alkalicyanid- und alkalicyanathaltigen Salzbädern
DE707639C (de)	1941-06-28	Verfahren zum Haerten von Zahnraedern mit gehaerteter Oberflaeche und zaehem Kern