EP0253176A3 - Procédé de traitement thermique de pièces d'acier - Google Patents

Procédé de traitement thermique de pièces d'acier Download PDF

Info

Publication number
EP0253176A3
EP0253176A3 EP87109238A EP87109238A EP0253176A3 EP 0253176 A3 EP0253176 A3 EP 0253176A3 EP 87109238 A EP87109238 A EP 87109238A EP 87109238 A EP87109238 A EP 87109238A EP 0253176 A3 EP0253176 A3 EP 0253176A3
Authority
EP
European Patent Office
Prior art keywords
batch
temperature
heat treating
work pieces
steel work
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.)
Withdrawn
Application number
EP87109238A
Other languages
German (de)
English (en)
Other versions
EP0253176A2 (fr
Inventor
Willi Freppon
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
Publication of EP0253176A2 publication Critical patent/EP0253176A2/fr
Publication of EP0253176A3 publication Critical patent/EP0253176A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/22—Martempering
    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
    • 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
    • C21D11/00—Process control or regulation for heat treatments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • F27B2005/161—Gas inflow or outflow

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Heat Treatment Processes (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Heat Treatment Of Articles (AREA)
  • Furnace Charging Or Discharging (AREA)
EP87109238A 1986-07-09 1987-06-26 Procédé de traitement thermique de pièces d'acier Withdrawn EP0253176A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3623105 1986-07-09
DE19863623105 DE3623105C1 (de) 1986-07-09 1986-07-09 Verfahren zur Waermebehandlung von Stahlteilen

Publications (2)

Publication Number Publication Date
EP0253176A2 EP0253176A2 (fr) 1988-01-20
EP0253176A3 true EP0253176A3 (fr) 1989-08-16

Family

ID=6304765

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87109238A Withdrawn EP0253176A3 (fr) 1986-07-09 1987-06-26 Procédé de traitement thermique de pièces d'acier

Country Status (3)

Country Link
EP (1) EP0253176A3 (fr)
JP (1) JPS6326308A (fr)
DE (1) DE3623105C1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4135313A1 (de) * 1991-10-25 1993-04-29 Ipsen Ind Int Gmbh Verfahren zum abkuehlen einer werkstueckcharge innerhalb eines waermebehandlungsprozesses
ATE181371T1 (de) * 1993-04-21 1999-07-15 Ipsen Ind Int Gmbh Flexible adaptive abschreckung
JP4452607B2 (ja) 2004-03-05 2010-04-21 順一 島田 照明装置、フィルタ装置、画像表示装置
DE102004051546A1 (de) * 2004-10-22 2006-05-04 Ald Vacuum Technologies Ag Verfahren zum verzugsarmen Härten von metallischen Bauteilen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0129701A1 (fr) * 1983-06-22 1985-01-02 Schmetz GmbH & Co. KG Unternehmensverwaltung Dispositif pour le refroidissement d'une charge, en particulier de pièces métalliques

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58224121A (ja) * 1982-06-22 1983-12-26 Sumitomo Metal Ind Ltd タイト焼鈍炉の加熱制御法
JPS59110735A (ja) * 1982-12-13 1984-06-26 Kawasaki Steel Corp コイル冷却方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0129701A1 (fr) * 1983-06-22 1985-01-02 Schmetz GmbH & Co. KG Unternehmensverwaltung Dispositif pour le refroidissement d'une charge, en particulier de pièces métalliques

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
FACHBERICHTE HÜTTENPRAXIS METALLWEITERVERARBEITUNG, Band 23, Nr. 9, 1985, Seiten 717-721, Sprechsaal-Verlag, Coburg, DE; P. LISTEMANN: "Neuere Entwicklungen auf dem Gebiet der Vakuum-Wärmebehandlung" *
PATENT ABSTRACTS OF JAPAN, Band 8, Nr. 225 (C-247)[1662], 16. Oktober 1984; & JP-A-59 110 735 (KAWASAKI SEITETSU K.K.) 26-06-1984 *
PATENT ABSTRACTS OF JAPAN, Band 8, Nr. 71 (C-217)[1508], 3. April 1984; & JP-A-58 224 121 (SUMITOMO KINZOKU KOGYO K.K.) 26-12-1983 *

Also Published As

Publication number Publication date
JPS6326308A (ja) 1988-02-03
DE3623105C1 (de) 1987-12-03
EP0253176A2 (fr) 1988-01-20

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Inventor name: FREPPON, WILLI