DD283421A5 - Verfahren zur waermebehandlung metallischer werkstuecke - Google Patents

Verfahren zur waermebehandlung metallischer werkstuecke Download PDF

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Publication number
DD283421A5
DD283421A5 DD88321108A DD32110888A DD283421A5 DD 283421 A5 DD283421 A5 DD 283421A5 DD 88321108 A DD88321108 A DD 88321108A DD 32110888 A DD32110888 A DD 32110888A DD 283421 A5 DD283421 A5 DD 283421A5
Authority
DD
German Democratic Republic
Prior art keywords
cooling gas
helium
quenching
hydrogen
gas
Prior art date
Application number
DD88321108A
Other languages
German (de)
English (en)
Inventor
Paul Heilmann
Friedrich Preisser
Rolf Schuster
Original Assignee
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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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6339263&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DD283421(A5) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ������@������������k�� filed Critical ������@������������k��
Publication of DD283421A5 publication Critical patent/DD283421A5/de

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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
    • 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
    • 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
    • C21D1/613—Gases; Liquefied or solidified normally gaseous 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
    • C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
    • 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 peculiar to 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 peculiar to 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)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Heat Treatment Of Articles (AREA)
  • Control Of Heat Treatment Processes (AREA)
  • Furnace Details (AREA)
  • Resistance Heating (AREA)
  • Non-Insulated Conductors (AREA)
  • Conductive Materials (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Physical Vapour Deposition (AREA)
  • Electronic Switches (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
DD88321108A 1987-10-28 1988-10-26 Verfahren zur waermebehandlung metallischer werkstuecke DD283421A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3736501A DE3736501C1 (de) 1987-10-28 1987-10-28 Verfahren zur Waermebehandlung metallischer Werkstuecke

Publications (1)

Publication Number Publication Date
DD283421A5 true DD283421A5 (de) 1990-10-10

Family

ID=6339263

Family Applications (1)

Application Number Title Priority Date Filing Date
DD88321108A DD283421A5 (de) 1987-10-28 1988-10-26 Verfahren zur waermebehandlung metallischer werkstuecke

Country Status (28)

Country Link
US (1) US4867808A (pt)
EP (1) EP0313888B2 (pt)
JP (1) JP3068135B2 (pt)
CN (1) CN1015066B (pt)
AT (1) ATE65801T1 (pt)
AU (1) AU606473B2 (pt)
BG (1) BG49828A3 (pt)
BR (1) BR8805492A (pt)
CA (1) CA1308631C (pt)
CS (1) CS274632B2 (pt)
DD (1) DD283421A5 (pt)
DE (2) DE3736501C1 (pt)
DK (1) DK167497B1 (pt)
ES (1) ES2023993T5 (pt)
FI (1) FI86560C (pt)
HR (1) HRP920581B1 (pt)
HU (1) HU204102B (pt)
IL (1) IL87762A (pt)
MX (1) MX169690B (pt)
NO (1) NO169244C (pt)
PL (1) PL159767B1 (pt)
PT (1) PT88896A (pt)
RO (1) RO110067B1 (pt)
RU (1) RU1813104C (pt)
SI (1) SI8811937A8 (pt)
UA (1) UA13002A (pt)
YU (1) YU46574B (pt)
ZA (1) ZA886853B (pt)

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DE3819803C1 (pt) * 1988-06-10 1989-12-14 Ulrich 5810 Witten De Wingens
DE3828134A1 (de) * 1988-08-18 1990-02-22 Linde Ag Verfahren zur waermebehandlung von werkstuecken
FR2660669B1 (fr) * 1990-04-04 1992-06-19 Air Liquide Procede et installation de traitement thermique d'objets avec trempe en milieux gazeux.
FR2660744B1 (fr) * 1990-04-04 1994-03-11 Air Liquide Four a cloches.
US5173124A (en) * 1990-06-18 1992-12-22 Air Products And Chemicals, Inc. Rapid gas quenching process
DE4100989A1 (de) * 1991-01-15 1992-07-16 Linde Ag Verfahren zur waermebehandlung in vakuumoefen
DE4132712C2 (de) * 1991-10-01 1995-06-29 Ipsen Ind Int Gmbh Vakuumofen zur Plasmaaufkohlung metallischer Werkstücke
DE4208485C2 (de) * 1992-03-17 1997-09-04 Wuenning Joachim Verfahren und Vorrichtung zum Abschrecken metallischer Werkstücke
US5478985A (en) * 1993-09-20 1995-12-26 Surface Combustion, Inc. Heat treat furnace with multi-bar high convective gas quench
DE4419332A1 (de) * 1994-06-02 1995-12-14 Wuenning Joachim Industriebrenner mit geringer NO¶x¶-Emission
US5524020A (en) * 1994-08-23 1996-06-04 Grier-Jhawar-Mercer, Inc. Vacuum furnace with movable hot zone
AT405190B (de) * 1996-03-29 1999-06-25 Ald Aichelin Ges M B H Verfahren und vorrichtung zur wärmebehandlung metallischer werkstücke
EP0803583B2 (en) * 1996-04-26 2009-12-16 Nippon Steel Corporation Primary cooling method in continuously annealing steel strips
DE19709957A1 (de) * 1997-03-11 1998-09-17 Linde Ag Verfahren zur Gasabschreckung metallischer Werkstücke nach Wärmebehandlungen
US5934871A (en) * 1997-07-24 1999-08-10 Murphy; Donald G. Method and apparatus for supplying a anti-oxidizing gas to and simultaneously cooling a shaft and a fan in a heat treatment chamber
FR2779218B1 (fr) 1998-05-29 2000-08-11 Etudes Const Mecaniques Cellule de trempe sous gaz
DE19824574A1 (de) * 1998-06-02 1999-12-09 Linde Ag Verfahren und Vorrichtung zur effektiven Abkühlung von Behandlungsgut
DE19920297A1 (de) * 1999-05-03 2000-11-09 Linde Tech Gase Gmbh Verfahren zur Wärmebehandlung metallischer Werkstücke
ES2184376T3 (es) 1999-09-24 2003-04-01 Ipsen Int Gmbh Procedimiento para el tratamiento termico de piezas de trabajo metalicas.
FR2801059B1 (fr) * 1999-11-17 2002-01-25 Etudes Const Mecaniques Procede de trempe apres cementation a basse pression
DE10030046C1 (de) * 2000-06-19 2001-09-13 Ald Vacuum Techn Ag Verfahren und Vorrichtung zum Bestimmen der Abkühlwirkung einer strömenden Gasatmosphäre auf Werkstücke
DE10044362C2 (de) * 2000-09-08 2002-09-12 Ald Vacuum Techn Ag Verfahren und Ofenanlage zum Vergüten einer Charge von Werkstücken aus Stahl
US20020104589A1 (en) * 2000-12-04 2002-08-08 Van Den Sype Jaak Process and apparatus for high pressure gas quenching in an atmospheric furnace
DE10108057A1 (de) * 2001-02-20 2002-08-22 Linde Ag Verfahren zum Abschrecken von metallischen Werkstücken
DE10109565B4 (de) 2001-02-28 2005-10-20 Vacuheat Gmbh Verfahren und Vorrichtung zur partiellen thermochemischen Vakuumbehandlung von metallischen Werkstücken
FR2835907B1 (fr) * 2002-02-12 2004-09-17 Air Liquide Installation de trempe par gaz et procede de trempe correspondant
KR100591355B1 (ko) * 2002-03-25 2006-06-19 히로히사 타니구치 핫가스 담금질 장치 및 핫가스 열처리방법
WO2005123970A1 (en) * 2004-06-15 2005-12-29 Narasimhan Gopinath A process and device for hardening metal parts
PL202005B1 (pl) * 2004-11-19 2009-05-29 Politechnika & Lstrok Odzka In Urządzenie do hartowania z zamkniętym obiegiem wodoru
DE102005045783A1 (de) * 2005-09-23 2007-03-29 Sistem Teknik Endustriyel Elektronik Sistemler Sanayi Ve Ticaret Ltd. Sirketi Einkammer-Vakuumofen mit Wasserstoffabschreckung
CN101880760A (zh) * 2010-07-09 2010-11-10 中国第一汽车集团公司 大型压铸模具的真空等温热处理工艺
US9995481B2 (en) 2011-12-20 2018-06-12 Eclipse, Inc. Method and apparatus for a dual mode burner yielding low NOx emission
CN105695716A (zh) * 2016-01-29 2016-06-22 柳州市安龙机械设备有限公司 硬质合金刀具的热处理方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1132171B (de) * 1960-06-24 1962-06-28 Heraeus Gmbh W C Verfahren zum Gluehen, Schmelzen oder Giessen von Metallen in einem unter Vakuum stehenden Behaelter und Abkuehlen mittels Schutzgas, sowie Vorrichtung zur Durchfuehrungdieses Verfahrens
DE1919493C3 (de) * 1969-04-17 1980-05-08 Ipsen Industries International Gmbh, 4190 Kleve Atmosphären-Vakuumofen
US4030712A (en) * 1975-02-05 1977-06-21 Alco Standard Corporation Method and apparatus for circulating a heat treating gas
US4167426A (en) * 1978-04-20 1979-09-11 Allegheny Ludlum Industries, Inc. Method for annealing silicon steel
DE2839807C2 (de) * 1978-09-13 1986-04-17 Degussa Ag, 6000 Frankfurt Vakuumofen mit Gaskühleinrichtung
DE2844843C2 (de) * 1978-10-14 1985-09-12 Ipsen Industries International Gmbh, 4190 Kleve Industrieofen zur Wärmebehandlung metallischer Werkstücke
US4302256A (en) * 1979-11-16 1981-11-24 Chromalloy American Corporation Method of improving mechanical properties of alloy parts
GB2052030B (en) * 1980-04-28 1984-02-08 Gen Electric Construction of special atmosphere furnace
JPS58147514A (ja) * 1982-02-24 1983-09-02 Ishikawajima Harima Heavy Ind Co Ltd ガス冷却熱処理法
US4462577A (en) * 1982-12-16 1984-07-31 C.I. Hayes Inc. Apparatus for gas cooling work parts under high pressure in a continuous heat treating vacuum furnace
AT395321B (de) * 1983-07-05 1992-11-25 Ebner Ind Ofenbau Verfahren zum abkuehlen von chargen in diskontinuierlich arbeitenden industrieoefen, insbesondere von stahldraht- oder - bandbunden in haubengluehoefen
JPS60187620A (ja) * 1984-03-06 1985-09-25 Daido Steel Co Ltd 真空炉
DE3416902A1 (de) * 1984-05-08 1985-11-14 Schmetz Industrieofenbau und Vakuum-Hartlöttechnik KG, 5750 Menden Verfahren und vakuumofen zur waermebehandlung einer charge
JPS60262913A (ja) * 1984-06-11 1985-12-26 Ishikawajima Harima Heavy Ind Co Ltd 強制対流冷却のガス導入方法
DE3736502C1 (de) * 1987-10-28 1988-06-09 Degussa Vakuumofen zur Waermebehandlung metallischer Werkstuecke

Also Published As

Publication number Publication date
HU204102B (en) 1991-11-28
FI884513A0 (fi) 1988-09-30
HRP920581B1 (en) 1997-10-31
NO884389D0 (no) 1988-10-04
RU1813104C (ru) 1993-04-30
CA1308631C (en) 1992-10-13
PL275471A1 (en) 1989-05-02
YU46574B (sh) 1993-11-16
FI884513A (fi) 1989-04-29
CS274632B2 (en) 1991-09-15
ZA886853B (en) 1989-05-30
US4867808B1 (pt) 1994-02-22
YU193788A (en) 1990-04-30
ES2023993T5 (es) 1998-08-01
NO884389L (no) 1989-05-02
IL87762A0 (en) 1989-02-28
HRP920581A2 (hr) 1995-02-28
ATE65801T1 (de) 1991-08-15
DE3864007D1 (de) 1991-09-05
CS711188A2 (en) 1990-10-12
CN1033841A (zh) 1989-07-12
ES2023993B3 (es) 1992-02-16
FI86560B (fi) 1992-05-29
JPH01149920A (ja) 1989-06-13
UA13002A (uk) 1997-02-28
EP0313888A1 (de) 1989-05-03
DK167497B1 (da) 1993-11-08
SI8811937A8 (en) 1997-06-30
NO169244C (no) 1992-05-27
NO169244B (no) 1992-02-17
DE3736501C1 (de) 1988-06-09
RO110067B1 (ro) 1995-09-29
FI86560C (fi) 1992-09-10
PL159767B1 (pl) 1993-01-29
CN1015066B (zh) 1991-12-11
AU2440488A (en) 1989-05-04
BG49828A3 (en) 1992-02-14
BR8805492A (pt) 1989-07-04
MX169690B (es) 1993-07-19
HUT49651A (en) 1989-10-30
DK596588A (da) 1989-04-29
EP0313888B1 (de) 1991-07-31
JP3068135B2 (ja) 2000-07-24
US4867808A (en) 1989-09-19
AU606473B2 (en) 1991-02-07
EP0313888B2 (de) 1998-06-17
IL87762A (en) 1993-01-31
DK596588D0 (da) 1988-10-27
PT88896A (pt) 1989-09-14

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Legal Events

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ENJ Ceased due to non-payment of renewal fee