AT320707B - Process for strengthening the surfaces of workpieces made of iron and steel - Google Patents

Process for strengthening the surfaces of workpieces made of iron and steel

Info

Publication number
AT320707B
AT320707B AT777071A AT777071A AT320707B AT 320707 B AT320707 B AT 320707B AT 777071 A AT777071 A AT 777071A AT 777071 A AT777071 A AT 777071A AT 320707 B AT320707 B AT 320707B
Authority
AT
Austria
Prior art keywords
strengthening
iron
steel
workpieces made
workpieces
Prior art date
Application number
AT777071A
Other languages
German (de)
Inventor
Ing Klaus Keller Dr
Original Assignee
Berghaus Elektrophysik Anst
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 Berghaus Elektrophysik Anst filed Critical Berghaus Elektrophysik Anst
Application granted granted Critical
Publication of AT320707B publication Critical patent/AT320707B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
    • C23C8/38—Treatment of ferrous surfaces
AT777071A 1970-09-08 1971-09-07 Process for strengthening the surfaces of workpieces made of iron and steel AT320707B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1336670 1970-09-08

Publications (1)

Publication Number Publication Date
AT320707B true AT320707B (en) 1975-02-25

Family

ID=4391800

Family Applications (1)

Application Number Title Priority Date Filing Date
AT777071A AT320707B (en) 1970-09-08 1971-09-07 Process for strengthening the surfaces of workpieces made of iron and steel

Country Status (10)

Country Link
AT (1) AT320707B (en)
BE (1) BE772299A (en)
CA (1) CA945048A (en)
CH (1) CH545859A (en)
DE (1) DE2144238C3 (en)
FR (1) FR2106363B1 (en)
GB (1) GB1367687A (en)
LU (1) LU63856A1 (en)
NL (1) NL7112384A (en)
SE (1) SE370553B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60153456A (en) * 1984-01-23 1985-08-12 Nippon Piston Ring Co Ltd Steel piston ring
GB8625912D0 (en) * 1986-10-29 1986-12-03 Electricity Council Thermochemical treatment
US5868878A (en) * 1993-08-27 1999-02-09 Hughes Electronics Corporation Heat treatment by plasma electron heating and solid/gas jet cooling
EP0985739B1 (en) * 1998-09-10 2003-05-14 MMS Marine Motor Service Method of hardening piston crowns and piston crown

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL163085B (en) * 1950-08-03 Siemens Ag SWITCHING DEVICE FOR TRANSMISSION OF MESSAGES ON A TRANSMISSION ROAD CONSISTING OF SEVERAL PARALLEL CONNECTED LINES.
US3536602A (en) * 1967-01-27 1970-10-27 Gen Electric Glow inhibiting method for glow discharge apparatus

Also Published As

Publication number Publication date
DE2144238B2 (en) 1975-01-16
CH545859A (en) 1974-02-15
GB1367687A (en) 1974-09-18
SE370553B (en) 1974-10-21
NL7112384A (en) 1972-03-10
FR2106363A1 (en) 1972-05-05
DE2144238A1 (en) 1972-03-16
BE772299A (en) 1972-03-16
FR2106363B1 (en) 1974-03-29
LU63856A1 (en) 1973-03-09
CA945048A (en) 1974-04-09
DE2144238C3 (en) 1975-09-04

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee