BR9700915A - Método e aparelho para tratamento térmico que inclui controle de região de forno de H2/H20 - Google Patents

Método e aparelho para tratamento térmico que inclui controle de região de forno de H2/H20

Info

Publication number
BR9700915A
BR9700915A BR9700915A BR9700915A BR9700915A BR 9700915 A BR9700915 A BR 9700915A BR 9700915 A BR9700915 A BR 9700915A BR 9700915 A BR9700915 A BR 9700915A BR 9700915 A BR9700915 A BR 9700915A
Authority
BR
Brazil
Prior art keywords
heat treatment
treatment method
region control
oven region
oven
Prior art date
Application number
BR9700915A
Other languages
English (en)
Inventor
Richard Bruce Vankemperma
Jaak Stefaan Van Den Sype
Original Assignee
Praxair Technology Inc
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 Praxair Technology Inc filed Critical Praxair Technology Inc
Publication of BR9700915A publication Critical patent/BR9700915A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76Adjusting the composition of the atmosphere
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D3/00Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02Extraction of non-metals
    • C21D3/04Decarburising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D11/00Process control or regulation for heat treatments

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Control Of Heat Treatment Processes (AREA)
  • Furnace Details (AREA)
BR9700915A 1996-02-09 1997-02-07 Método e aparelho para tratamento térmico que inclui controle de região de forno de H2/H20 BR9700915A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/599,204 US5772428A (en) 1996-02-09 1996-02-09 Method and apparatus for heat treatment including H2 /H2 O furnace region control

Publications (1)

Publication Number Publication Date
BR9700915A true BR9700915A (pt) 1998-09-01

Family

ID=24398679

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9700915A BR9700915A (pt) 1996-02-09 1997-02-07 Método e aparelho para tratamento térmico que inclui controle de região de forno de H2/H20

Country Status (7)

Country Link
US (1) US5772428A (pt)
EP (1) EP0792940A1 (pt)
KR (1) KR970062053A (pt)
CN (1) CN1174241A (pt)
BR (1) BR9700915A (pt)
CA (1) CA2197015C (pt)
ID (1) ID16432A (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19738653A1 (de) * 1997-09-04 1999-03-11 Messer Griesheim Gmbh Verfahren und Vorrichtung zur Wärmebehandlung von Teilen
DE19840778A1 (de) * 1998-09-07 2000-03-09 Messer Griesheim Gmbh Verfahren und Vorrichtung zur Reinigung von Metalloberflächen
AT407262B (de) * 1998-10-05 2001-02-26 Ebner Peter Dipl Ing Verfahren zum blankglühen von eine hohe affinität zu sauerstoff aufweisenden metallen
US6612154B1 (en) * 1998-12-22 2003-09-02 Furnace Control Corp. Systems and methods for monitoring or controlling the ratio of hydrogen to water vapor in metal heat treating atmospheres
US6591215B1 (en) * 1999-02-18 2003-07-08 Furnace Control Corp. Systems and methods for controlling the activity of carbon in heat treating atmospheres
DE10032411A1 (de) * 2000-07-07 2002-01-17 Rainer Gorris Kennzahl zur Charakterisierung des Reduktions- oder Oxidationspotentials von Gasatmosphären in Bezug auf Metall-Metalloxide
DE10255590A1 (de) * 2002-11-28 2004-06-17 Messer Griesheim Gmbh Verfahren zum kleberfreien Glühen von Metallteilen
US20080187850A1 (en) * 2007-02-06 2008-08-07 Xerox Corporation Tunable electrophotographic imaging member and method of making same
FR2920439B1 (fr) * 2007-09-03 2009-11-13 Siemens Vai Metals Tech Sas Procede et dispositif d'oxydation/reduction controlee de la surface d'une bande d'acier en defilement continu dans un four a tubes radiants en vue de sa galvanisation
CN108022863B (zh) * 2017-11-30 2020-07-28 上海大学 一种水蒸气氧化退火系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127289A (en) * 1964-03-31 hoursx
GB1577179A (en) * 1978-05-31 1980-10-22 Boc Ltd Heat treatment of metals
JPS5613430A (en) * 1979-07-14 1981-02-09 Nisshin Steel Co Ltd Annealing method of steel
JPS56102518A (en) * 1980-01-18 1981-08-17 Nisshin Steel Co Ltd Annealing method for steel
JPS56107155A (en) * 1980-01-31 1981-08-25 Nisshin Steel Co Ltd Oxygen sensor for annealing
US4334938A (en) * 1980-08-22 1982-06-15 Air Products And Chemicals, Inc. Inhibited annealing of ferrous metals containing chromium
BE1001323A3 (fr) * 1988-01-15 1989-09-26 Cockerill Sambre Sa Procede de controle de l'atmosphere humide dans un four de traitement thermique et installation a cet effet.
JPH02141526A (ja) * 1988-11-24 1990-05-30 Ngk Insulators Ltd 雰囲気制御システム
US5211820A (en) * 1991-04-04 1993-05-18 Surface Combustion, Inc. Gas analysis system for furnaces and the like
JPH05164727A (ja) * 1991-12-13 1993-06-29 Ngk Insulators Ltd 酸素分析装置
US5261976A (en) * 1991-12-31 1993-11-16 Gas Research Institute Control system for a soft vacuum furnace

Also Published As

Publication number Publication date
EP0792940A1 (en) 1997-09-03
CN1174241A (zh) 1998-02-25
ID16432A (id) 1997-09-25
CA2197015A1 (en) 1997-08-10
CA2197015C (en) 2000-10-03
KR970062053A (ko) 1997-09-12
US5772428A (en) 1998-06-30

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Legal Events

Date Code Title Description
EG Technical examination (opinion): publication of technical examination (opinion)
FC Decision: refusal