FR2083484A1 - - Google Patents

Info

Publication number
FR2083484A1
FR2083484A1 FR7104802A FR7104802A FR2083484A1 FR 2083484 A1 FR2083484 A1 FR 2083484A1 FR 7104802 A FR7104802 A FR 7104802A FR 7104802 A FR7104802 A FR 7104802A FR 2083484 A1 FR2083484 A1 FR 2083484A1
Authority
FR
France
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.)
Granted
Application number
FR7104802A
Other languages
French (fr)
Other versions
FR2083484B1 (en:Method
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.)
Holcroft and Co
Original Assignee
Holcroft and Co
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 Holcroft and Co filed Critical Holcroft and Co
Publication of FR2083484A1 publication Critical patent/FR2083484A1/fr
Application granted granted Critical
Publication of FR2083484B1 publication Critical patent/FR2083484B1/fr
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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Tunnel Furnaces (AREA)
FR7104802A 1970-03-23 1971-02-12 Expired FR2083484B1 (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2250170A 1970-03-23 1970-03-23

Publications (2)

Publication Number Publication Date
FR2083484A1 true FR2083484A1 (en:Method) 1971-12-17
FR2083484B1 FR2083484B1 (en:Method) 1975-01-17

Family

ID=21809918

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7104802A Expired FR2083484B1 (en:Method) 1970-03-23 1971-02-12

Country Status (5)

Country Link
US (1) US3662996A (en:Method)
CA (1) CA922510A (en:Method)
DE (1) DE2051743A1 (en:Method)
FR (1) FR2083484B1 (en:Method)
GB (1) GB1299398A (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0147845A3 (en) * 1983-12-27 1986-03-26 Chugai Ro Kogyo Co., Ltd. Method af gas carburizing and herdening and continuous furnace therefor
EP0829554A1 (de) * 1996-09-16 1998-03-18 ALD AICHELIN GesmbH. Niederdruck-Aufkohlungsanlage mit mehreren hintereinander angeordneten Kammern

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3981489A (en) * 1973-01-11 1976-09-21 Sola Basic Industries, Inc. Automatic heat treating system
US4049473A (en) * 1976-03-11 1977-09-20 Airco, Inc. Methods for carburizing steel parts
US4093195A (en) * 1977-01-19 1978-06-06 Holcroft & Company Carburizing furnace
US4225121A (en) * 1979-03-23 1980-09-30 Holcroft Energy efficient heat-treating furnace system
US4763880A (en) * 1987-04-03 1988-08-16 Holcroft/Loftus Inc. Rotary hearth multi-chamber, multi-purpose furnace system
US5324415A (en) * 1989-06-09 1994-06-28 Blumenthal Robert N Apparatus and systems for analyzing a sample of treatment atmosphere having a carbon potential
US4966348A (en) * 1989-06-30 1990-10-30 Lindberg Corp. Method and apparatus for monitoring atmosphere in furnaces
US5187670A (en) * 1990-11-05 1993-02-16 Caterpillar Inc. Control system for scheduling parts in a heat-treating process
US5324366A (en) * 1991-08-09 1994-06-28 Caterpillar Inc. Heat treat furnace system for performing different carburizing processes simultaneously
US5242479A (en) * 1992-05-26 1993-09-07 Paton Tek, Inc. Apparatus and method for producing carbide coatings
KR100187674B1 (ko) * 1994-07-07 1999-06-01 김주용 반도체 소자 제조용 반응로 및 그를 이용한 게이트 산화막 형성방법
US5997286A (en) * 1997-09-11 1999-12-07 Ford Motor Company Thermal treating apparatus and process
US6902635B2 (en) 2001-12-26 2005-06-07 Nitrex Metal Inc. Multi-cell thermal processing unit
FR2874079B1 (fr) * 2004-08-06 2008-07-18 Francis Pelissier Machine de traitement thermochimique de cementation
CA2516920A1 (en) * 2004-08-31 2006-02-28 Smith International, Inc. Maintaining carburized case during neutral to the core heat treatment processes
CN112481474B (zh) * 2020-11-27 2022-11-25 重庆市星极齿轮有限责任公司 一种齿轮渗碳淬火热处理工艺
CN113481466B (zh) * 2021-07-07 2023-05-26 安徽新力电业科技咨询有限责任公司 一种气体渗氮用管式炉装置系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR808134A (fr) * 1936-07-16 1937-01-29 Perfectionnements aux fours de cémentation gazeuse
FR47732E (fr) * 1936-11-03 1937-06-22 Perfectionnements aux fours de cémentation gazeuse
US3189336A (en) * 1962-11-15 1965-06-15 Midland Ross Corp Metallurgical heating furnace
NL6804093A (en:Method) * 1967-03-22 1968-09-23

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2589811A (en) * 1948-04-05 1952-03-18 Holcroft & Co Gas atmosphere generating means for heat-treating furnaces
US2713480A (en) * 1950-08-14 1955-07-19 Ruckstahl Alfred Heat treating apparatus
US2998237A (en) * 1958-05-05 1961-08-29 Midland Ross Corp Heat treating system
US3356541A (en) * 1965-08-20 1967-12-05 Midland Ross Corp Carburizing method and apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR808134A (fr) * 1936-07-16 1937-01-29 Perfectionnements aux fours de cémentation gazeuse
FR47732E (fr) * 1936-11-03 1937-06-22 Perfectionnements aux fours de cémentation gazeuse
US3189336A (en) * 1962-11-15 1965-06-15 Midland Ross Corp Metallurgical heating furnace
NL6804093A (en:Method) * 1967-03-22 1968-09-23

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0147845A3 (en) * 1983-12-27 1986-03-26 Chugai Ro Kogyo Co., Ltd. Method af gas carburizing and herdening and continuous furnace therefor
EP0829554A1 (de) * 1996-09-16 1998-03-18 ALD AICHELIN GesmbH. Niederdruck-Aufkohlungsanlage mit mehreren hintereinander angeordneten Kammern

Also Published As

Publication number Publication date
GB1299398A (en) 1972-12-13
FR2083484B1 (en:Method) 1975-01-17
CA922510A (en) 1973-03-13
US3662996A (en) 1972-05-16
DE2051743A1 (de) 1971-10-14

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