CH381717A - Process for high hardening of non-austenitic steels - Google Patents

Process for high hardening of non-austenitic steels

Info

Publication number
CH381717A
CH381717A CH4155257A CH4155257A CH381717A CH 381717 A CH381717 A CH 381717A CH 4155257 A CH4155257 A CH 4155257A CH 4155257 A CH4155257 A CH 4155257A CH 381717 A CH381717 A CH 381717A
Authority
CH
Switzerland
Prior art keywords
austenitic steels
high hardening
hardening
austenitic
steels
Prior art date
Application number
CH4155257A
Other languages
German (de)
Original Assignee
Lihl Franz Prof Dr
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 Lihl Franz Prof Dr filed Critical Lihl Franz Prof Dr
Priority to CH4155257A priority Critical patent/CH381717A/en
Priority to CH5369757A priority patent/CH406266A/en
Priority to US268269A priority patent/US3240639A/en
Publication of CH381717A publication Critical patent/CH381717A/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
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
    • Y10S148/903—Directly treated with high energy electromagnetic waves or particles, e.g. laser, electron beam

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)
CH4155257A 1957-01-12 1957-01-12 Process for high hardening of non-austenitic steels CH381717A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH4155257A CH381717A (en) 1957-01-12 1957-01-12 Process for high hardening of non-austenitic steels
CH5369757A CH406266A (en) 1957-01-12 1957-12-12 Process for high hardening of non-austenitic steels
US268269A US3240639A (en) 1957-01-12 1963-03-27 Ferro-carbon alloys of improved microstructure and process for their manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH4155257A CH381717A (en) 1957-01-12 1957-01-12 Process for high hardening of non-austenitic steels

Publications (1)

Publication Number Publication Date
CH381717A true CH381717A (en) 1964-09-15

Family

ID=4514553

Family Applications (1)

Application Number Title Priority Date Filing Date
CH4155257A CH381717A (en) 1957-01-12 1957-01-12 Process for high hardening of non-austenitic steels

Country Status (2)

Country Link
US (1) US3240639A (en)
CH (1) CH381717A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419260A (en) * 1967-06-05 1968-12-31 North American Rockwell Wear resistant leaf spring
US3466202A (en) * 1966-07-21 1969-09-09 North American Rockwell Method of making wear resistant spring leaf
US3505126A (en) * 1967-05-12 1970-04-07 Us Army Homogeneous alloy and method of making same
US3650846A (en) * 1968-11-04 1972-03-21 Gen Electric Process for reconstituting the grain structure of metal surfaces
US3660176A (en) * 1970-02-10 1972-05-02 Armco Steel Corp Precipitation-hardenable stainless steel method and product
US3925116A (en) * 1972-08-09 1975-12-09 Niels N Engel Superhard martensite and method of making the same
NL170361B (en) * 1973-03-19 1982-06-01 Lely Nv C Van Der TEETH FOR A TILLING MACHINE MACHINE.
US4109127A (en) * 1973-07-25 1978-08-22 Frank Frungel Apparatus and method for case hardening steel tools by application of heating pulses
US4303137A (en) * 1979-09-21 1981-12-01 Smith International, Inc. Method for making a cone for a rock bit and product
US4336432A (en) * 1980-09-19 1982-06-22 Ford Motor Company Induction hardening of valve seat inserts
GB8324643D0 (en) * 1983-09-14 1983-10-19 British Steel Corp Production of grain orientated steel
US5593603A (en) * 1995-06-05 1997-01-14 Ingersoll-Rand Company Method for producing hardened flutes in a kelly bar
US6398885B1 (en) * 1996-01-11 2002-06-04 A. Finkl & Sons Co. Method and apparatus for preventing cracking of the shank junction of die blocks
FR2750436B1 (en) * 1996-06-27 1998-09-04 Renault PROCESS AND DEVICE FOR SURFACE HARDENING OF A MECHANICAL PART
DE19637513C2 (en) * 1996-09-13 2001-06-07 Fraunhofer Ges Forschung Method and device for modifying metallic workpiece surfaces by electrical discharges
DE102010012830B4 (en) 2010-03-25 2017-06-08 Benteler Automobiltechnik Gmbh Method for producing a motor vehicle component and body component
CA2865630C (en) 2013-10-01 2023-01-10 Hendrickson Usa, L.L.C. Leaf spring and method of manufacture thereof having sections with different levels of through hardness

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2371459A (en) * 1941-08-30 1945-03-13 Mittelmann Eugen Method of and means for heat-treating metal in strip form
US2424794A (en) * 1941-12-05 1947-07-29 Rca Corp Surface hardening of ferrous metal by self-quenching
US2444259A (en) * 1944-09-21 1948-06-29 Gen Electric Method of high-frequency induction heating

Also Published As

Publication number Publication date
US3240639A (en) 1966-03-15

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