DE3819803C1 - - Google Patents

Info

Publication number
DE3819803C1
DE3819803C1 DE19883819803 DE3819803A DE3819803C1 DE 3819803 C1 DE3819803 C1 DE 3819803C1 DE 19883819803 DE19883819803 DE 19883819803 DE 3819803 A DE3819803 A DE 3819803A DE 3819803 C1 DE3819803 C1 DE 3819803C1
Authority
DE
Germany
Prior art keywords
gas
cooling
workpieces
hydrogen
cooling gas
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
Application number
DE19883819803
Other languages
German (de)
English (en)
Inventor
Ulrich 5810 Witten De Wingens
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19883819803 priority Critical patent/DE3819803C1/de
Priority to PCT/EP1989/000651 priority patent/WO1989012111A1/de
Application granted granted Critical
Publication of DE3819803C1 publication Critical patent/DE3819803C1/de
Expired 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
    • C21D1/56—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
    • C21D1/767—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
    • C21D1/74—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

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 Treatments In General, Especially Conveying And Cooling (AREA)
DE19883819803 1988-06-10 1988-06-10 Expired DE3819803C1 (xx)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19883819803 DE3819803C1 (xx) 1988-06-10 1988-06-10
PCT/EP1989/000651 WO1989012111A1 (en) 1988-06-10 1989-06-09 Heat-treatment process for metallic workpieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883819803 DE3819803C1 (xx) 1988-06-10 1988-06-10

Publications (1)

Publication Number Publication Date
DE3819803C1 true DE3819803C1 (xx) 1989-12-14

Family

ID=6356290

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883819803 Expired DE3819803C1 (xx) 1988-06-10 1988-06-10

Country Status (2)

Country Link
DE (1) DE3819803C1 (xx)
WO (1) WO1989012111A1 (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016118253A1 (de) 2016-09-27 2018-03-29 Schwartz Gmbh Verfahren zur Wärmebehandlung eines metallischen Bauteils

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4208485C2 (de) * 1992-03-17 1997-09-04 Wuenning Joachim Verfahren und Vorrichtung zum Abschrecken metallischer Werkstücke
FR2746112B1 (fr) * 1996-03-13 1998-06-05 Procede de traitement thermique en continu de bandes metalliques dans des atmospheres de nature differente
ATE221923T1 (de) * 1999-01-29 2002-08-15 Loi Thermprocess Gmbh Durchlaufofen mit einer einrichtung zum abschrecken von werkstücken sowie abschreckverfahren
GB0029281D0 (en) * 2000-11-30 2001-01-17 Boc Group Plc Quenching Method & Apparatus
DE10108057A1 (de) * 2001-02-20 2002-08-22 Linde Ag Verfahren zum Abschrecken von metallischen Werkstücken
DE102005045783A1 (de) * 2005-09-23 2007-03-29 Sistem Teknik Endustriyel Elektronik Sistemler Sanayi Ve Ticaret Ltd. Sirketi Einkammer-Vakuumofen mit Wasserstoffabschreckung
CN103614522A (zh) * 2013-11-28 2014-03-05 浙江长兴正达电炉制造有限公司 一种卧式真空退火炉的炉内胆
CN108004384A (zh) * 2018-01-23 2018-05-08 江苏石川岛丰东真空技术有限公司 一种真空炉炉体及真空退火炉

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3735186C1 (de) * 1987-10-17 1988-09-15 Ulrich Wingens Vakuum-Kammerofen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3736501C1 (de) * 1987-10-28 1988-06-09 Degussa Verfahren zur Waermebehandlung metallischer Werkstuecke

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3735186C1 (de) * 1987-10-17 1988-09-15 Ulrich Wingens Vakuum-Kammerofen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Fachberichte Hüttenpraxis Metallweiter- verarbeitung, Vol. 24, Nr. 9, 1986 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016118253A1 (de) 2016-09-27 2018-03-29 Schwartz Gmbh Verfahren zur Wärmebehandlung eines metallischen Bauteils

Also Published As

Publication number Publication date
WO1989012111A1 (en) 1989-12-14

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Legal Events

Date Code Title Description
8100 Publication of the examined application without publication of unexamined application
D1 Grant (no unexamined application published) patent law 81
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee