IT7949267A0 - PROCEDURE FOR SURFACE HARDENING OF CAST IRON PIECES WITH LIMITED THERMAL CAPACITY - Google Patents

PROCEDURE FOR SURFACE HARDENING OF CAST IRON PIECES WITH LIMITED THERMAL CAPACITY

Info

Publication number
IT7949267A0
IT7949267A0 IT7949267A IT4926779A IT7949267A0 IT 7949267 A0 IT7949267 A0 IT 7949267A0 IT 7949267 A IT7949267 A IT 7949267A IT 4926779 A IT4926779 A IT 4926779A IT 7949267 A0 IT7949267 A0 IT 7949267A0
Authority
IT
Italy
Prior art keywords
procedure
cast iron
thermal capacity
surface hardening
iron pieces
Prior art date
Application number
IT7949267A
Other languages
Italian (it)
Other versions
IT1188830B (en
Inventor
Reinke Friedhelm
Emde Friedhelm
Original Assignee
Aeg Elotherm Gmbh
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 Aeg Elotherm Gmbh filed Critical Aeg Elotherm Gmbh
Publication of IT7949267A0 publication Critical patent/IT7949267A0/en
Application granted granted Critical
Publication of IT1188830B publication Critical patent/IT1188830B/en

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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/30—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for crankshafts; for camshafts
    • 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)
IT49267/79A 1978-06-03 1979-06-01 SURFACE HARDENING PROCESS OF CAST IRON PARTS OF LIMITED THERMAL CAPACITY IT1188830B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782824373 DE2824373A1 (en) 1978-06-03 1978-06-03 PROCESS FOR SURFACE HARDENING OF A CAST-IRON WORKPIECE OF LIMITED THERMAL CAPACITY

Publications (2)

Publication Number Publication Date
IT7949267A0 true IT7949267A0 (en) 1979-06-01
IT1188830B IT1188830B (en) 1988-01-28

Family

ID=6040914

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49267/79A IT1188830B (en) 1978-06-03 1979-06-01 SURFACE HARDENING PROCESS OF CAST IRON PARTS OF LIMITED THERMAL CAPACITY

Country Status (5)

Country Link
JP (1) JPS54159324A (en)
DE (1) DE2824373A1 (en)
FR (1) FR2427393A1 (en)
GB (1) GB2022146B (en)
IT (1) IT1188830B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2059444A (en) * 1979-05-07 1981-04-23 Commw Scient Ind Res Org Surface hardening of metals by electric arc discharge
WO1982001016A1 (en) * 1980-09-11 1982-04-01 Sciaky Bros Method and apparatus for surface hardening cams
IT1219974B (en) * 1981-06-25 1990-05-24 Fischer Ag Georg REFUSION HARDENING PROCEDURE
FR2522687B1 (en) * 1982-03-05 1985-05-31 Aeg Elotherm Gmbh METHOD AND MACHINE FOR DIPPING A CAST IRON SURFACE, PREFERABLY THE REACH OF A CAM OR A CAM FOLLOWER, BY MELTING THE SURFACE IN THE ELECTRIC ARC FOLLOWED WITH DIP
DD211983A1 (en) * 1982-12-09 1984-08-01 Zentralinstitut Schweiss METHOD OF MELTING, IN PARTICULAR MOTOR PISTON, BY ELECTRON BEAM
DE3508131A1 (en) * 1984-03-07 1985-09-19 Honda Giken Kogyo K.K., Shibuya, Tokio/Tokyo METHOD AND DEVICE FOR MELTING AND HARDENING AN LONG-TERM WORKPIECE, ESPECIALLY A CAMSHAFT
GB2169318A (en) * 1985-01-04 1986-07-09 Rolls Royce Metal surface hardening by carbide formation
JPS6293314A (en) * 1985-10-21 1987-04-28 Honda Motor Co Ltd Wear resistant sliding member
EP0732419A1 (en) * 1995-03-14 1996-09-18 Isuzu Motors Limited Re-melt processing method on metal surface
US6139656A (en) * 1995-07-10 2000-10-31 Ford Global Technologies, Inc. Electrochemical hardness modification of non-allotropic metal surfaces
DE10261710B4 (en) * 2002-12-30 2011-07-21 Volkswagen AG, 38440 Process for surface treatment of a shaft

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB523823A (en) * 1938-03-18 1940-07-23 Shorter Process Company Ltd Improvements in or relating to a method of and apparatus for heat-treating metal bodies
US2491134A (en) * 1946-05-21 1949-12-13 Crompton & Knowles Loom Works Machine for flame tempering cams
AT262357B (en) * 1964-09-23 1968-06-10 Boehler & Co Ag Geb Process for surface hardening of hardenable steels
GB1373490A (en) * 1970-12-09 1974-11-13 British Steel Corp Heat treatment of metal strip
JPS5313575A (en) * 1971-07-01 1978-02-07 Ri Keisawa Fluorescent lamp
GB1404865A (en) * 1971-12-29 1975-09-03 Nissan Motor Method of forming hardened layers on castings
JPS5220930A (en) * 1975-08-11 1977-02-17 Ube Industries Method and apparatus for injection of upright die cast machine
DE2703469C3 (en) * 1977-01-28 1979-11-22 Audi Nsu Auto Union Ag, 7107 Neckarsulm Device for hardening the cam surfaces of camshafts for internal combustion engines

Also Published As

Publication number Publication date
IT1188830B (en) 1988-01-28
JPS54159324A (en) 1979-12-17
FR2427393A1 (en) 1979-12-28
GB2022146B (en) 1982-07-07
GB2022146A (en) 1979-12-12
DE2824373A1 (en) 1979-12-06

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