DE69913617D1 - Verfahren und Vorrichtung zur Erzeugung einer Atmosphere für die Wärmebehandlung von Werkstoffen - Google Patents

Verfahren und Vorrichtung zur Erzeugung einer Atmosphere für die Wärmebehandlung von Werkstoffen

Info

Publication number
DE69913617D1
DE69913617D1 DE69913617T DE69913617T DE69913617D1 DE 69913617 D1 DE69913617 D1 DE 69913617D1 DE 69913617 T DE69913617 T DE 69913617T DE 69913617 T DE69913617 T DE 69913617T DE 69913617 D1 DE69913617 D1 DE 69913617D1
Authority
DE
Germany
Prior art keywords
phasic
chamber
cryogen
materials
furnace
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 - Fee Related
Application number
DE69913617T
Other languages
English (en)
Other versions
DE69913617T2 (de
Inventor
Kenneth A Till
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.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA a Directoire et Conseil de Surveillance pour lEtude et lExploitation des Procedes Georges Claude
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 Air Liquide SA, LAir Liquide SA a Directoire et Conseil de Surveillance pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Application granted granted Critical
Publication of DE69913617D1 publication Critical patent/DE69913617D1/de
Publication of DE69913617T2 publication Critical patent/DE69913617T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • 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
    • C21D1/76—Adjusting the composition of the atmosphere
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Furnace Details (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Furnace Charging Or Discharging (AREA)
DE69913617T 1998-08-19 1999-08-05 Verfahren und Vorrichtung zur Erzeugung einer Atmosphere für die Wärmebehandlung von Werkstoffen Expired - Fee Related DE69913617T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US136304 1993-10-13
US09/136,304 US6228187B1 (en) 1998-08-19 1998-08-19 Apparatus and methods for generating an artificial atmosphere for the heat treating of materials

Publications (2)

Publication Number Publication Date
DE69913617D1 true DE69913617D1 (de) 2004-01-29
DE69913617T2 DE69913617T2 (de) 2004-12-02

Family

ID=22472262

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69913617T Expired - Fee Related DE69913617T2 (de) 1998-08-19 1999-08-05 Verfahren und Vorrichtung zur Erzeugung einer Atmosphere für die Wärmebehandlung von Werkstoffen

Country Status (7)

Country Link
US (2) US6228187B1 (de)
EP (1) EP0980913B1 (de)
JP (1) JP2000063934A (de)
AT (1) ATE256757T1 (de)
CA (1) CA2280412A1 (de)
DE (1) DE69913617T2 (de)
ES (1) ES2213336T3 (de)

Families Citing this family (12)

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WO1999038842A1 (fr) * 1998-01-30 1999-08-05 Hydro-Quebec Derives bis-sulfonyles polymerisables et leur utilisation dans la preparation de membranes echangeuses d'ions
US20060266793A1 (en) * 2005-05-24 2006-11-30 Caterpillar Inc. Purging system having workpiece movement device
US20090064821A1 (en) * 2006-08-23 2009-03-12 Air Liquide Industrial U.S. Lp Vapor-Reinforced Expanding Volume of Gas to Minimize the Contamination of Products Treated in a Melting Furnace
US20080184848A1 (en) 2006-08-23 2008-08-07 La Sorda Terence D Vapor-Reinforced Expanding Volume of Gas to Minimize the Contamination of Products Treated in a Melting Furnace
US8403187B2 (en) * 2006-09-27 2013-03-26 Air Liquide Industrial U.S. Lp Production of an inert blanket in a furnace
US7947410B2 (en) * 2008-08-22 2011-05-24 Toyota Motor Engineering & Manufacturing North America, Inc. Fuel cell electrodes with triazole modified polymers and membrane electrode assemblies incorporating same
US9290823B2 (en) 2010-02-23 2016-03-22 Air Products And Chemicals, Inc. Method of metal processing using cryogenic cooling
US9849537B2 (en) * 2011-09-15 2017-12-26 Linde Aktiengesellschaft Methods for weld purging
DE102011116903A1 (de) * 2011-10-25 2013-04-25 IWT Bremen Stiftung Institut für Werkstofftechnik Verfahren und Vorrichtung zur kontrollierten Abschreckung durch Heißgas-Sprühkühlung in der Wärrnebehandlung
US8932385B2 (en) 2011-10-26 2015-01-13 Air Liquide Industrial U.S. Lp Apparatus and method for metal surface inertion by backfilling
EP3766603A1 (de) * 2019-07-18 2021-01-20 Linde GmbH Verfahren und vorrichtung zum spülung eines raums zur generativen fertigung
CN111282859B (zh) * 2020-02-20 2022-09-09 浙江亿智达新材料科技有限公司 一种金属熔液氧化层刮取装置

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US3443806A (en) 1966-08-10 1969-05-13 Air Liquide Method of using induction furnaces
US3619172A (en) 1966-09-13 1971-11-09 Air Liquide Process for forming spheroidal graphite in hypereutectoid steels
FR1582780A (de) 1968-01-10 1969-10-10
FR1604719A (de) 1968-10-22 1972-01-24
US3689048A (en) 1971-03-05 1972-09-05 Air Liquide Treatment of molten metal by injection of gas
BE795856A (fr) 1972-02-24 1973-08-23 Air Liquide Perfectionnement au procede de raffinage electrique par laitier dit "procede e.s.r."
FR2277144A1 (fr) 1974-07-05 1976-01-30 Air Liquide Composition de matieres formee d'un melange d'un fluide cryogene et de particules solides
US4181522A (en) 1974-07-05 1980-01-01 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method of retarding the cooling of molten metal
FR2302479A1 (fr) 1975-02-25 1976-09-24 Air Liquide Dispositif pour la distribution controlee de fluide cryogenique
FR2346077A1 (fr) 1976-04-02 1977-10-28 Air Liquide Procede de fabrication de pieces metalliques moulees
US4087988A (en) 1976-11-09 1978-05-09 The United States Of America As Represented By The United States Department Of Energy Cryogenic expansion machine
FR2380092A1 (fr) 1977-02-10 1978-09-08 Air Liquide Canne d'insufflation de gaz dans un metal en fusion
FR2392746A2 (fr) 1977-06-01 1978-12-29 Air Liquide Procede de coulee de metal
FR2403852A1 (fr) 1977-09-22 1979-04-20 Air Liquide Procede et dispositif de protection d'un jet de coulee verticale de metal fondu au moyen d'un gaz inerte liquefie
FR2435988A1 (fr) 1978-09-18 1980-04-11 Air Liquide Procede et installation de fabrication de poudre metallique a partir d'un metal ou alliage en fusion
SU740840A1 (ru) * 1978-10-17 1980-06-15 Предприятие П/Я В-8597 Способ светлой закалки деталей
FR2490123A1 (fr) 1980-09-15 1982-03-19 Air Liquide Dispositif obturateur a plaques pour trous de coulee de recipient contenant un metal en fusion
FR2523007A1 (fr) 1982-03-15 1983-09-16 Air Liquide Procede et installation de protection d'un jet de coulee de metal liquide
DE3234863C2 (de) 1982-09-21 1986-04-10 Messer Griesheim Gmbh, 6000 Frankfurt Verfahren und Vorrichtung zum Blankglühen von metallischen Werkstücken mit Stickstoff als Schutzgas
FR2545393B1 (fr) 1983-05-04 1985-09-06 Air Liquide Procede de production de particules solides metalliques a partir d'un bain metallique
ZA85911B (en) 1984-02-24 1985-09-25 Liquid Air Canada Molten metal casting
US4657587A (en) 1985-02-21 1987-04-14 Canadian Liquid Air Ltd./Air Liquide Canada Ltee Molten metal casting
FR2579495B1 (fr) 1985-04-01 1987-09-11 Air Liquide Procede de protection d'un jet de coulee de metal
FR2586210B1 (fr) 1985-08-14 1988-05-13 Air Liquide Dispositif de protection contre l'oxydation et/ou la nitruration d'un jet de metal liquide et son utilisation
US4730811A (en) * 1985-08-20 1988-03-15 Kabushiki Kaisha Komatsu Seisakusho Heat treatment apparatus with a fluidized-bed furnace
FR2607039B1 (fr) 1986-11-26 1989-03-31 Air Liquide Procede de coulee d'acier comportant un inertage du bain d'acier par de l'anhydride carbonique sous forme de neige
US4723997A (en) 1987-04-20 1988-02-09 L'air Liquide Method and apparatus for shielding a stream of liquid metal
US4806156A (en) 1987-07-24 1989-02-21 Liquid Air Corporation Process for the production of a bath of molten metal or alloys
US4848751A (en) 1987-07-24 1989-07-18 L'air Liquide Lance for discharging liquid nitrogen or liquid argon into a furnace throughout the production of molten metal
FR2623890B1 (fr) 1987-11-26 1990-03-30 Air Liquide Lance a neige carbonique pour la metallurgie
FR2635789B1 (fr) 1988-08-29 1993-04-23 Air Liquide American Procede d'elaboration d'acier a faible teneur en azote dans un four poche
SU1624033A2 (ru) 1989-03-10 1991-01-30 Днепропетровский Металлургический Институт Способ обработки изделий из нержавеющих сталей
SU1724705A1 (ru) 1989-08-22 1992-04-07 Институт черной металлургии Способ охлаждени полосы в агрегате непрерывного отжига
US5190577A (en) 1990-12-11 1993-03-02 Liquid Air Corporation Replacement of argon with carbon dioxide in a reactor containing molten metal for the purpose of refining molten metal
US5196072A (en) 1990-12-12 1993-03-23 Liquid Air Corporation Method and apparatus for controlling metal oxide fume generation during subdivision of a body containing metal values
DK0544967T3 (da) 1991-11-28 1995-10-16 Von Roll Ag Fremgangsmåde til at undertrykke støv og røg ved fremstillingen af elektrostål
US5404929A (en) 1993-05-18 1995-04-11 Liquid Air Corporation Casting of high oxygen-affinity metals and their alloys
US5344478A (en) 1993-08-02 1994-09-06 Air Products And Chemicals, Inc. Vortex dispersing nozzle for liquefied cryogenic inert gases used in blanketing of molten metals exposed to ambient air and method

Also Published As

Publication number Publication date
ATE256757T1 (de) 2004-01-15
ES2213336T3 (es) 2004-08-16
JP2000063934A (ja) 2000-02-29
US6228187B1 (en) 2001-05-08
CA2280412A1 (en) 2000-02-19
EP0980913A1 (de) 2000-02-23
EP0980913B1 (de) 2003-12-17
DE69913617T2 (de) 2004-12-02
US20010024002A1 (en) 2001-09-27
US6508976B2 (en) 2003-01-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee