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ZA707802B - Process for the production of extremely fine granular metallic surface structures - Google Patents

Process for the production of extremely fine granular metallic surface structures

Info

Publication number
ZA707802B
ZA707802B ZA707802A ZA707802A ZA707802B ZA 707802 B ZA707802 B ZA 707802B ZA 707802 A ZA707802 A ZA 707802A ZA 707802 A ZA707802 A ZA 707802A ZA 707802 B ZA707802 B ZA 707802B
Authority
ZA
South Africa
Prior art keywords
production
metallic surface
surface structures
extremely fine
fine granular
Prior art date
Application number
ZA707802A
Other languages
English (en)
Inventor
F Fruengel
Original Assignee
F Fruengel
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 F Fruengel filed Critical F Fruengel
Publication of ZA707802B publication Critical patent/ZA707802B/xx

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • ing And Chemical Polishing (AREA)
  • Lasers (AREA)
  • Laser Beam Processing (AREA)
  • Control Of Resistance Heating (AREA)
ZA707802A 1969-11-18 1970-11-18 Process for the production of extremely fine granular metallic surface structures ZA707802B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1957884A DE1957884C2 (de) 1969-11-18 1969-11-18 Verfahren zum Erzeugen extrem feinkörniger metallischer Oberflächengefüge

Publications (1)

Publication Number Publication Date
ZA707802B true ZA707802B (en) 1971-08-25

Family

ID=5751424

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA707802A ZA707802B (en) 1969-11-18 1970-11-18 Process for the production of extremely fine granular metallic surface structures

Country Status (5)

Country Link
JP (1) JPS5242725B1 (xx)
CH (1) CH528594A (xx)
DE (1) DE1957884C2 (xx)
SU (1) SU436498A3 (xx)
ZA (1) ZA707802B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2206816C3 (de) * 1972-02-12 1981-12-10 Früngel, Frank, Dr.-Ing., Zürich Vorrichtung zum Erzeugen extrem feinkörniger metallischer Oberflächengefüge
FR2183590A1 (en) * 1972-05-12 1973-12-21 Frungel Frank Steel surface hardening - with current short pulse inductor
DE2851142C2 (de) * 1978-11-25 1989-01-12 Neturen Co. Ltd., Tokyo Verfahren zur Herstellung eines hochfesten Federstahls
DE19637513C2 (de) * 1996-09-13 2001-06-07 Fraunhofer Ges Forschung Verfahren und Vorrichtung zur Modifizierung von metallischen Werkstückoberflächen durch elektrische Entladungen

Also Published As

Publication number Publication date
CH528594A (de) 1972-09-30
SU436498A3 (ru) 1974-07-15
DE1957884C2 (de) 1974-05-16
DE1957884A1 (xx) 1971-04-15
DE1957884B2 (de) 1971-04-15
JPS5242725B1 (xx) 1977-10-26

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