FR2430978B1 - Procede et appareil de trempe superficielle de metaux a l'aide de courants electriques - Google Patents

Procede et appareil de trempe superficielle de metaux a l'aide de courants electriques

Info

Publication number
FR2430978B1
FR2430978B1 FR7918158A FR7918158A FR2430978B1 FR 2430978 B1 FR2430978 B1 FR 2430978B1 FR 7918158 A FR7918158 A FR 7918158A FR 7918158 A FR7918158 A FR 7918158A FR 2430978 B1 FR2430978 B1 FR 2430978B1
Authority
FR
France
Prior art keywords
metals
electric currents
surface tempering
tempering
currents
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
FR7918158A
Other languages
English (en)
Other versions
FR2430978A1 (fr
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.)
Thermatool Corp
Original Assignee
Thermatool Corp
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 Thermatool Corp filed Critical Thermatool Corp
Publication of FR2430978A1 publication Critical patent/FR2430978A1/fr
Application granted granted Critical
Publication of FR2430978B1 publication Critical patent/FR2430978B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0004—Devices wherein the heating current flows through the material to be heated
    • 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
    • C21D1/06—Surface hardening
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation

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 Articles (AREA)
  • Control Of Resistance Heating (AREA)
  • Heat Treatment Of Nonferrous Metals Or Alloys (AREA)
FR7918158A 1978-07-12 1979-07-12 Procede et appareil de trempe superficielle de metaux a l'aide de courants electriques Expired FR2430978B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/923,776 US4215259A (en) 1978-07-12 1978-07-12 Surface hardening of metals using electric currents

Publications (2)

Publication Number Publication Date
FR2430978A1 FR2430978A1 (fr) 1980-02-08
FR2430978B1 true FR2430978B1 (fr) 1986-01-10

Family

ID=25449252

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7918158A Expired FR2430978B1 (fr) 1978-07-12 1979-07-12 Procede et appareil de trempe superficielle de metaux a l'aide de courants electriques

Country Status (5)

Country Link
US (1) US4215259A (fr)
JP (1) JPS5514893A (fr)
CA (1) CA1121470A (fr)
FR (1) FR2430978B1 (fr)
IT (1) IT1117415B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5947936A (ja) * 1982-09-10 1984-03-17 株式会社東芝 コンバインドサイクルタ−ビンプラントの負荷制御装置
US4545828A (en) * 1982-11-08 1985-10-08 Armco Inc. Local annealing treatment for cube-on-edge grain oriented silicon steel
US4554029A (en) * 1982-11-08 1985-11-19 Armco Inc. Local heat treatment of electrical steel
US4581512A (en) * 1984-07-10 1986-04-08 Mg Industries, Inc. Method and apparatus for cooling induction heated material
US5514229A (en) * 1993-11-24 1996-05-07 Ramot-University Authority For Applied Research And Industrial Development Ltd., Tel Aviv University Method of producing transparent and other electrically conductive materials
FR2750436B1 (fr) * 1996-06-27 1998-09-04 Renault Procede et dispositif de durcissement de surface d'une piece mecanique
JP2007032760A (ja) * 2005-07-28 2007-02-08 Ntn Corp 等速自在継手及びその内方部材
DE102007054782A1 (de) * 2007-11-16 2009-05-20 Mtu Aero Engines Gmbh Induktionsspule, Verfahren und Vorrichtung zur induktiven Erwärmung von metallischen Bauelementen
US20110220249A1 (en) * 2008-06-30 2011-09-15 Eaton Corporation Continuous production system for magnetic processing of metals and alloys to tailor next generation materials
JP5550321B2 (ja) * 2009-12-11 2014-07-16 Ａｒｔ−Ｈｉｋａｒｉ株式会社 部分焼き入れ用の抵抗加熱装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2164310A (en) * 1934-03-29 1939-07-04 Ohio Crankshaft Co Apparatus for hardening
US3101400A (en) * 1961-02-23 1963-08-20 Induction Heating Corp Hardening coil and method of heat treatment of toothed metal strips
US3497662A (en) * 1966-05-05 1970-02-24 American Mach & Foundry Welding of seams by high frequency heating current while forcing welding metal into the seam
US3591757A (en) * 1970-01-06 1971-07-06 Amf Inc Welding by high frequency current penetration
DE2323242C3 (de) * 1973-05-09 1978-03-09 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Vorrichtung zur Herstellung einer verschleißfesten Hartmetalischicht auf einem Metallgegenstand
US4006337A (en) * 1976-02-09 1977-02-01 Park-Ohio Industries, Inc. Apparatus and method for heating a gun barrel bore
JPS6050851B2 (ja) * 1977-11-25 1985-11-11 高周波熱錬株式会社 比較的板厚の薄い金属板の長手方向２側面の高周波による直接通電焼入れ方法および装置

Also Published As

Publication number Publication date
IT7949708A0 (it) 1979-07-10
IT1117415B (it) 1986-02-17
US4215259A (en) 1980-07-29
FR2430978A1 (fr) 1980-02-08
JPS5514893A (en) 1980-02-01
CA1121470A (fr) 1982-04-06

Similar Documents

Publication Publication Date Title
DE2961269D1 (en) Continuous distillation apparatus and method of operation
FR2352887A1 (fr) Procede et appareil pour l'affinage d'acier
BE841381A (fr) Procede et appareil pour eliminer des impuretes de l'eau
FR2484308B1 (fr) Procede et appareil d'usinage par decharges electriques
FR2520754B1 (fr) Procede et appareil pour l'elaboration de fer en reacteur
BE868281A (fr) Procede et appareil pour l'identification de documents
JPS5513396A (en) Method of and apparatus for heating pavement
FR2517972B1 (fr) Procede et appareil pour l'irradiation de fluides
FR2465551B1 (fr) Procede et appareil d'usinage par decharges electriques
BE875213A (fr) Procede et appareil pour l'analyse spectroscopique
BE864132A (fr) Procede et appareil pour etablir un contact liquide-liquide
FR2430978B1 (fr) Procede et appareil de trempe superficielle de metaux a l'aide de courants electriques
FR2313450A1 (fr) Procede et appareil pour la passivation continue d'eponge de fer
BE866301A (fr) Procede et appareil pour provoquer des reactions photochimiques
BE876517A (fr) Procede et appareillage d'extraction solide-liquide
FR2443475B1 (fr) Procede et appareil pour demonomeriser le polycapronamide
FR2423544B1 (fr) Procede et appareil de recuit d'acier
FR2320529A1 (fr) Appareil electrographique et procede de realisation d'une surface d'electrode pour cet appareil
BE875351A (fr) Procede et appareil pour l'affinage electrolytique du plomb
LU79402A1 (fr) Procede et appareillage pour le chauffage de bigoudis
DE2966766D1 (en) Apparatus and process for the treatment of molten metal
JPS54142104A (en) Method and apparatus for treating molten metal
FR2560079B1 (fr) Procede et appareil pour cintrer des poutres metalliques
BE865753A (fr) Procede et appareil pour faire le yogourt
FR2488175B1 (fr) Procede et appareil d'usinage par decharges electriques

Legal Events

Date Code Title Description
ST Notification of lapse