FR1233454A - Process for treating metals by plasma flow - Google Patents

Process for treating metals by plasma flow

Info

Publication number
FR1233454A
FR1233454A FR803540A FR803540A FR1233454A FR 1233454 A FR1233454 A FR 1233454A FR 803540 A FR803540 A FR 803540A FR 803540 A FR803540 A FR 803540A FR 1233454 A FR1233454 A FR 1233454A
Authority
FR
France
Prior art keywords
plasma flow
treating metals
metals
treating
plasma
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR803540A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PLASMA FLAME CORP
Original Assignee
PLASMA FLAME 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 PLASMA FLAME CORP filed Critical PLASMA FLAME CORP
Application granted granted Critical
Publication of FR1233454A publication Critical patent/FR1233454A/en
Expired legal-status Critical Current

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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3484—Convergent-divergent nozzles

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
FR803540A 1958-09-18 1959-08-26 Process for treating metals by plasma flow Expired FR1233454A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1233454XA 1958-09-18 1958-09-18

Publications (1)

Publication Number Publication Date
FR1233454A true FR1233454A (en) 1960-10-12

Family

ID=22408135

Family Applications (1)

Application Number Title Priority Date Filing Date
FR803540A Expired FR1233454A (en) 1958-09-18 1959-08-26 Process for treating metals by plasma flow

Country Status (1)

Country Link
FR (1) FR1233454A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570627A1 (en) * 1984-05-08 1986-03-28 Ki Proizv Obied METHOD FOR MANUFACTURING HOLLOW PARTS OF CYLINDRICAL SHAPE AND PARTS MANUFACTURED ACCORDING TO SAID PROCESS
EP0371340A1 (en) * 1988-11-16 1990-06-06 Nissan Motor Co., Ltd. High strength gear
WO1991001386A1 (en) * 1989-07-25 1991-02-07 Albert Schuler Process for hardening the cutting edges of saws, knives and cutting tools
FR2653137A1 (en) * 1989-10-17 1991-04-19 Siderurgie Fse Inst Rech PROCESS FOR SURFACE TREATMENT OF STEEL PRODUCTS BY ACTION OF PLASMA
US5360495A (en) * 1989-07-25 1994-11-01 Albert Schuler Process for hardening cutting edges with an oval shaped plasma beam

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570627A1 (en) * 1984-05-08 1986-03-28 Ki Proizv Obied METHOD FOR MANUFACTURING HOLLOW PARTS OF CYLINDRICAL SHAPE AND PARTS MANUFACTURED ACCORDING TO SAID PROCESS
EP0371340A1 (en) * 1988-11-16 1990-06-06 Nissan Motor Co., Ltd. High strength gear
WO1991001386A1 (en) * 1989-07-25 1991-02-07 Albert Schuler Process for hardening the cutting edges of saws, knives and cutting tools
US5360495A (en) * 1989-07-25 1994-11-01 Albert Schuler Process for hardening cutting edges with an oval shaped plasma beam
FR2653137A1 (en) * 1989-10-17 1991-04-19 Siderurgie Fse Inst Rech PROCESS FOR SURFACE TREATMENT OF STEEL PRODUCTS BY ACTION OF PLASMA
EP0424211A1 (en) * 1989-10-17 1991-04-24 Institut De Recherches De La Siderurgie Francaise (Irsid) Method of plasma surface treatment of metallurgical products

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