DE102007051949B3 - Verfahren zum Härten von Oberflächen von Werkstücken aus Edelstahl und Verwendung einer Salzschmelze zur Durchführung des Verfahrens - Google Patents

Verfahren zum Härten von Oberflächen von Werkstücken aus Edelstahl und Verwendung einer Salzschmelze zur Durchführung des Verfahrens Download PDF

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Publication number
DE102007051949B3
DE102007051949B3 DE102007051949A DE102007051949A DE102007051949B3 DE 102007051949 B3 DE102007051949 B3 DE 102007051949B3 DE 102007051949 A DE102007051949 A DE 102007051949A DE 102007051949 A DE102007051949 A DE 102007051949A DE 102007051949 B3 DE102007051949 B3 DE 102007051949B3
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DE
Germany
Prior art keywords
molten salt
stainless steel
salt
workpieces
weight
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.)
Active
Application number
DE102007051949A
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German (de)
English (en)
Inventor
Ulrich Dr. Baudis
Michael Dr. Merz
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.)
Durferrit GmbH Thermotechnik
Original Assignee
Durferrit GmbH Thermotechnik
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 Durferrit GmbH Thermotechnik filed Critical Durferrit GmbH Thermotechnik
Priority to DE102007051949A priority Critical patent/DE102007051949B3/de
Priority to EP08018519A priority patent/EP2055801B1/de
Priority to DK08018519.2T priority patent/DK2055801T3/da
Priority to CA002642322A priority patent/CA2642322A1/en
Priority to JP2008279150A priority patent/JP5371376B2/ja
Priority to US12/262,960 priority patent/US8083866B2/en
Application granted granted Critical
Publication of DE102007051949B3 publication Critical patent/DE102007051949B3/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C23C8/44—Carburising
    • C23C8/46—Carburising of ferrous surfaces
    • 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
    • C21D1/34—Methods of heating
    • C21D1/44—Methods of heating in heat-treatment baths
    • C21D1/46—Salt baths
    • 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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/18—Solid state diffusion of only metal elements or silicon into metallic material surfaces using liquids, e.g. salt baths, liquid suspensions
    • C23C10/20—Solid state diffusion of only metal elements or silicon into metallic material surfaces using liquids, e.g. salt baths, liquid suspensions only one element being diffused
    • C23C10/24—Salt bath containing the element to be diffused
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
DE102007051949A 2007-10-31 2007-10-31 Verfahren zum Härten von Oberflächen von Werkstücken aus Edelstahl und Verwendung einer Salzschmelze zur Durchführung des Verfahrens Active DE102007051949B3 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE102007051949A DE102007051949B3 (de) 2007-10-31 2007-10-31 Verfahren zum Härten von Oberflächen von Werkstücken aus Edelstahl und Verwendung einer Salzschmelze zur Durchführung des Verfahrens
EP08018519A EP2055801B1 (de) 2007-10-31 2008-10-23 Verfahren zum Härten von Oberflächen von Werkstücken aus Edelstahl und Salzschmelze zur Durchführung des Verfahrens
DK08018519.2T DK2055801T3 (da) 2007-10-31 2008-10-23 Fremgangsmåde til hærdning af overflader på arbejdsemner af rustfrit stål og smeltet saltmasse til udførelse af fremgangsmåden
CA002642322A CA2642322A1 (en) 2007-10-31 2008-10-29 Method for hardening the surfaces of work pieces made of stainless steel, and a molten salt bath for realizing the method
JP2008279150A JP5371376B2 (ja) 2007-10-31 2008-10-30 ステンレス鋼製の加工品の表面硬化方法及び該方法の実施のための溶融塩
US12/262,960 US8083866B2 (en) 2007-10-31 2008-10-31 Method for hardening the surfaces of work pieces made of stainless steel, and a molten salt bath for realizing the method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007051949A DE102007051949B3 (de) 2007-10-31 2007-10-31 Verfahren zum Härten von Oberflächen von Werkstücken aus Edelstahl und Verwendung einer Salzschmelze zur Durchführung des Verfahrens

Publications (1)

Publication Number Publication Date
DE102007051949B3 true DE102007051949B3 (de) 2009-03-12

Family

ID=40340316

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102007051949A Active DE102007051949B3 (de) 2007-10-31 2007-10-31 Verfahren zum Härten von Oberflächen von Werkstücken aus Edelstahl und Verwendung einer Salzschmelze zur Durchführung des Verfahrens

Country Status (6)

Country Link
US (1) US8083866B2 (https=)
EP (1) EP2055801B1 (https=)
JP (1) JP5371376B2 (https=)
CA (1) CA2642322A1 (https=)
DE (1) DE102007051949B3 (https=)
DK (1) DK2055801T3 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2757423B1 (fr) * 2013-01-17 2018-07-11 Omega SA Pièce pour mouvement d'horlogerie
CN103233215B (zh) * 2013-05-10 2015-08-12 江苏永昊高强度螺栓有限公司 螺栓表面发黑工艺
DE102016215709A1 (de) * 2015-08-28 2017-03-02 Tsubakimoto Chain Co. Kettenkomponente und Kette

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948644A (en) * 1948-05-29 1960-08-09 Gerhard W Ahrens Pack carburizing with furane derivatives
WO1982002905A1 (en) * 1981-02-18 1982-09-02 Kerridge David Henry Fused salt bath composition
US4461655A (en) * 1982-02-23 1984-07-24 National Research Development Corporation Fused salt bath composition

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2249581A (en) * 1938-11-30 1941-07-15 Holden Artemas F Nonpoisonous carburizing liquid bath
US2537830A (en) * 1944-09-14 1951-01-09 Artemas F Holden Self-agitating metallurgical salt bath
US3840450A (en) 1963-10-21 1974-10-08 K Inoue Method of diffusing substances into surface zones of conductive bodies
DE3048607C2 (de) * 1980-12-23 1983-07-07 Goerig & Co GmbH & Co KG, 6800 Mannheim Cyanidfreies Verfahren zum Aufkohlen von Stahl und Zugabesalz zur Durchführung des Verfahrens
DE102006026883B8 (de) 2006-06-09 2007-10-04 Durferrit Gmbh Verfahren zum Härten von Edelstahl und Salzschmelze zur Durchführung des Verfahrens

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948644A (en) * 1948-05-29 1960-08-09 Gerhard W Ahrens Pack carburizing with furane derivatives
WO1982002905A1 (en) * 1981-02-18 1982-09-02 Kerridge David Henry Fused salt bath composition
US4461655A (en) * 1982-02-23 1984-07-24 National Research Development Corporation Fused salt bath composition

Also Published As

Publication number Publication date
EP2055801B1 (de) 2012-12-05
JP2009108411A (ja) 2009-05-21
US8083866B2 (en) 2011-12-27
CA2642322A1 (en) 2009-04-30
EP2055801A1 (de) 2009-05-06
JP5371376B2 (ja) 2013-12-18
US20100108198A1 (en) 2010-05-06
DK2055801T3 (da) 2013-01-28

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