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IT7949708A0 - Procedimento e apparecchiatura per modificare le proprieta' superficiali di metalli mediante correnti elettriche - Google Patents

Procedimento e apparecchiatura per modificare le proprieta' superficiali di metalli mediante correnti elettriche

Info

Publication number
IT7949708A0
IT7949708A0 IT7949708A IT4970879A IT7949708A0 IT 7949708 A0 IT7949708 A0 IT 7949708A0 IT 7949708 A IT7949708 A IT 7949708A IT 4970879 A IT4970879 A IT 4970879A IT 7949708 A0 IT7949708 A0 IT 7949708A0
Authority
IT
Italy
Prior art keywords
modifying
metals
procedure
equipment
surface properties
Prior art date
Application number
IT7949708A
Other languages
English (en)
Other versions
IT1117415B (it
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 IT7949708A0 publication Critical patent/IT7949708A0/it
Application granted granted Critical
Publication of IT1117415B publication Critical patent/IT1117415B/it

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)
IT49708/79A 1978-07-12 1979-07-10 Procedimento e apparecchiatura per modificare le proprieta'superficiali di metalli mediante correnti elettriche IT1117415B (it)

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
IT7949708A0 true IT7949708A0 (it) 1979-07-10
IT1117415B IT1117415B (it) 1986-02-17

Family

ID=25449252

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49708/79A IT1117415B (it) 1978-07-12 1979-07-10 Procedimento e apparecchiatura per modificare le proprieta'superficiali di metalli mediante correnti elettriche

Country Status (5)

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

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
JPS5514893A (en) 1980-02-01
FR2430978A1 (fr) 1980-02-08
CA1121470A (en) 1982-04-06
US4215259A (en) 1980-07-29
IT1117415B (it) 1986-02-17
FR2430978B1 (fr) 1986-01-10

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