DE2514398C2 - Salzbad zur Abschreckung badnitrierter Bauteile - Google Patents

Salzbad zur Abschreckung badnitrierter Bauteile

Info

Publication number
DE2514398C2
DE2514398C2 DE2514398A DE2514398A DE2514398C2 DE 2514398 C2 DE2514398 C2 DE 2514398C2 DE 2514398 A DE2514398 A DE 2514398A DE 2514398 A DE2514398 A DE 2514398A DE 2514398 C2 DE2514398 C2 DE 2514398C2
Authority
DE
Germany
Prior art keywords
bath
salt baths
salt
quench
nitrided components
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
Application number
DE2514398A
Other languages
English (en)
Other versions
DE2514398A1 (de
Inventor
Helmut Dr. Kunst
Christian 6450 Hanau Scondo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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.)
Filing date
Publication date
Application filed by Degussa GmbH filed Critical Degussa GmbH
Priority to DE2514398A priority Critical patent/DE2514398C2/de
Priority to YU304/76A priority patent/YU39760B/xx
Priority to IT67308/76A priority patent/IT1057168B/it
Priority to SE7602838A priority patent/SE430078B/xx
Priority to CA247,657A priority patent/CA1070225A/en
Priority to FR7607858A priority patent/FR2306268A1/fr
Priority to US05/670,154 priority patent/US4055446A/en
Priority to BR7601913A priority patent/BR7601913A/pt
Priority to GB12957/76A priority patent/GB1527642A/en
Priority to JP51035898A priority patent/JPS5912727B2/ja
Priority to AT234476A priority patent/AT357588B/de
Priority to HU76DE00000912A priority patent/HU172774B/hu
Publication of DE2514398A1 publication Critical patent/DE2514398A1/de
Application granted granted Critical
Publication of DE2514398C2 publication Critical patent/DE2514398C2/de
Expired legal-status Critical Current

Links

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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/607—Molten salts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Compounds Of Iron (AREA)
  • Heat Treatment Of Articles (AREA)
  • Seasonings (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Description

«5-14-398 -

Claims (3)

Patentansprüche:
1. Salzbäder zum Abkühlen von Bauteilen aus Stahl und Eisen, die In cya"?darmen, cyanatrelchen Nitriersalzbädern oder In anderen cyanldhaltigen Salzbädern behandelt wurden, dadurch gekennzeichnet, daß die Salzbäder aus Hydroxiden der Alkallmetalle bestehen und 2 bis 20 Gew.-« eines Alkalinltrats enthalten.
2. Salzbäder nach Anspruch 1, dadurch gekennzeichnet, daß sie bei Temperaturen zwischen 200 und 580° C betrieben werden.
3. Salzbäder nach Anspruch 1 und 2, dadurch gekennzeichnet, daß sie bei Temperaturen zwischen 200 und 300° C betrieben werden.
DE2514398A 1975-04-02 1975-04-02 Salzbad zur Abschreckung badnitrierter Bauteile Expired DE2514398C2 (de)

Priority Applications (12)

Application Number Priority Date Filing Date Title
DE2514398A DE2514398C2 (de) 1975-04-02 1975-04-02 Salzbad zur Abschreckung badnitrierter Bauteile
YU304/76A YU39760B (en) 1975-04-02 1976-02-10 Process for tempering steel and iron pieces
IT67308/76A IT1057168B (it) 1975-04-02 1976-02-11 Bagno salino per il raffreddamento di pezzi nitrurati
SE7602838A SE430078B (sv) 1975-04-02 1976-02-27 Forfarande for avkylning av badnitrerade foremal av jern och stal
CA247,657A CA1070225A (en) 1975-04-02 1976-03-11 Salt bath for chilling fused-salt nitrided structural components
FR7607858A FR2306268A1 (fr) 1975-04-02 1976-03-18 Bain de sel pour la trempe d'elements de construction nitrures en bain
US05/670,154 US4055446A (en) 1975-04-02 1976-03-25 Salt bath quenching of construction parts treated with a nitriding bath
BR7601913A BR7601913A (pt) 1975-04-02 1976-03-30 Banho de sal para o resfriamento brusco de componentes tratados em banhos de nitrato
GB12957/76A GB1527642A (en) 1975-04-02 1976-03-31 Process for quenching bath-nitrided work-pieces
JP51035898A JPS5912727B2 (ja) 1975-04-02 1976-03-31 鋼および鉄製部材の急冷用塩浴
AT234476A AT357588B (de) 1975-04-02 1976-03-31 Salzbad zum abkuehlen von badnitrierten bau- teilen
HU76DE00000912A HU172774B (en) 1975-04-02 1976-04-01 Cooling bath for the quick refrigeration of structural

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2514398A DE2514398C2 (de) 1975-04-02 1975-04-02 Salzbad zur Abschreckung badnitrierter Bauteile

Publications (2)

Publication Number Publication Date
DE2514398A1 DE2514398A1 (de) 1976-10-21
DE2514398C2 true DE2514398C2 (de) 1984-04-05

Family

ID=5942928

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2514398A Expired DE2514398C2 (de) 1975-04-02 1975-04-02 Salzbad zur Abschreckung badnitrierter Bauteile

Country Status (12)

Country Link
US (1) US4055446A (de)
JP (1) JPS5912727B2 (de)
AT (1) AT357588B (de)
BR (1) BR7601913A (de)
CA (1) CA1070225A (de)
DE (1) DE2514398C2 (de)
FR (1) FR2306268A1 (de)
GB (1) GB1527642A (de)
HU (1) HU172774B (de)
IT (1) IT1057168B (de)
SE (1) SE430078B (de)
YU (1) YU39760B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2934113C2 (de) * 1979-08-23 1985-05-09 Degussa Ag, 6000 Frankfurt Verfahren zur Erhöhung der Korrosionsbeständigkeit nitrierter Bauteile aus Eisenwerkstoffen
DE3142318A1 (de) * 1981-10-24 1983-05-05 Degussa Ag, 6000 Frankfurt Salzbad zum nitrieren von eisenwerkstoffen
FR2525637B1 (fr) * 1982-04-23 1986-05-09 Stephanois Rech Mec Procede de traitement de pieces en metal ferreux en bain de sels oxydant, pour ameliorer leur resistance a la corrosion, les pieces contenant du soufre
US5272798A (en) * 1992-08-05 1993-12-28 Kolene Corporation Method and apparatus for descaling metal strip
US5576066A (en) * 1993-08-10 1996-11-19 Centre Stephanois De Recherches Mecaniques Hydromecanique Et Frottement Method of improving the wear and corrosion resistance of ferrous metal parts
JP3748425B2 (ja) * 2002-09-04 2006-02-22 パーカー熱処理工業株式会社 耐食性を強化された金属部材の塩浴窒化方法
KR100812971B1 (ko) * 2006-02-23 2008-03-13 일진경금속 주식회사 금속의 염욕 질화방법 및 그 방법으로 제조된 금속
CN111893262A (zh) * 2020-08-26 2020-11-06 河南科技大学 一种防锈防腐钢铁的热处理工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE396514C (de) * 1922-11-05 1924-06-05 Artur Groenqvist Verfahren zum Veredeln von Stahl und Eisen
US1975058A (en) * 1931-08-20 1934-09-25 Bennett Chapmanizing Inc Process for hardening metals
DE628276C (de) * 1934-01-13 1936-04-01 Degussa Schmelzbad zum Abschrecken und Anlassen von Eisen und Staehlen
US2174867A (en) * 1936-05-23 1939-10-03 Arthur E Bellis Method of heat tratment
US2477561A (en) * 1944-06-20 1949-08-02 Artemas F Holden Method of heat-treating metal parts with a bright finish
US3022204A (en) * 1961-03-20 1962-02-20 Kolene Corp Process for nitriding metals

Also Published As

Publication number Publication date
FR2306268B1 (de) 1978-08-25
HU172774B (en) 1978-12-28
AT357588B (de) 1980-07-25
FR2306268A1 (fr) 1976-10-29
ATA234476A (de) 1979-12-15
US4055446A (en) 1977-10-25
SE7602838L (sv) 1976-10-03
SE430078B (sv) 1983-10-17
IT1057168B (it) 1982-03-10
DE2514398A1 (de) 1976-10-21
JPS5284109A (en) 1977-07-13
YU30476A (en) 1982-05-31
GB1527642A (en) 1978-10-04
BR7601913A (pt) 1976-10-05
JPS5912727B2 (ja) 1984-03-26
YU39760B (en) 1985-04-30
CA1070225A (en) 1980-01-22

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Legal Events

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OD Request for examination
OGA New person/name/address of the applicant
D2 Grant after examination
8364 No opposition during term of opposition