FR809614A - Process for preventing the formation of pustules on alloys based on iron and aluminum, possibly with chromium, and for increasing the resistance of these alloys to the action of heat - Google Patents

Process for preventing the formation of pustules on alloys based on iron and aluminum, possibly with chromium, and for increasing the resistance of these alloys to the action of heat

Info

Publication number
FR809614A
FR809614A FR809614DA FR809614A FR 809614 A FR809614 A FR 809614A FR 809614D A FR809614D A FR 809614DA FR 809614 A FR809614 A FR 809614A
Authority
FR
France
Prior art keywords
alloys
pustules
chromium
possibly
iron
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
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.)
Vacuumschmelze GmbH and Co KG
Original Assignee
Heraeus Vacuumschmelze AG
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 Heraeus Vacuumschmelze AG filed Critical Heraeus Vacuumschmelze AG
Application granted granted Critical
Publication of FR809614A publication Critical patent/FR809614A/en
Expired legal-status Critical Current

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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
    • C23C22/74—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process for obtaining burned-in conversion coatings

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR809614D 1935-09-24 1936-08-14 Process for preventing the formation of pustules on alloys based on iron and aluminum, possibly with chromium, and for increasing the resistance of these alloys to the action of heat Expired FR809614A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE809614X 1935-09-24

Publications (1)

Publication Number Publication Date
FR809614A true FR809614A (en) 1937-03-08

Family

ID=6723359

Family Applications (1)

Application Number Title Priority Date Filing Date
FR809614D Expired FR809614A (en) 1935-09-24 1936-08-14 Process for preventing the formation of pustules on alloys based on iron and aluminum, possibly with chromium, and for increasing the resistance of these alloys to the action of heat

Country Status (1)

Country Link
FR (1) FR809614A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE903301C (en) * 1952-01-18 1954-02-04 Ver Deutsche Metallwerke Ag Process for producing in particular electrically insulating layers, preferably oxide coatings, on the surface of semi-finished products

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE903301C (en) * 1952-01-18 1954-02-04 Ver Deutsche Metallwerke Ag Process for producing in particular electrically insulating layers, preferably oxide coatings, on the surface of semi-finished products

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