FR2012247A1 - Refractory coating a metallic object - against oxidation - Google Patents

Refractory coating a metallic object - against oxidation

Info

Publication number
FR2012247A1
FR2012247A1 FR6922540A FR6922540A FR2012247A1 FR 2012247 A1 FR2012247 A1 FR 2012247A1 FR 6922540 A FR6922540 A FR 6922540A FR 6922540 A FR6922540 A FR 6922540A FR 2012247 A1 FR2012247 A1 FR 2012247A1
Authority
FR
France
Prior art keywords
metallic object
against oxidation
refractory coating
layer
alloy
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.)
Withdrawn
Application number
FR6922540A
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.)
Battelle Memorial Institute Inc
Original Assignee
Battelle Memorial Institute Inc
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 Battelle Memorial Institute Inc filed Critical Battelle Memorial Institute Inc
Publication of FR2012247A1 publication Critical patent/FR2012247A1/en
Withdrawn legal-status Critical Current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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/18—Solid state diffusion of only metal elements or silicon into metallic material surfaces using liquids, e.g. salt baths, liquid suspensions
    • C23C10/20—Solid state diffusion of only metal elements or silicon into metallic material surfaces using liquids, e.g. salt baths, liquid suspensions only one element being diffused
    • C23C10/22—Metal melt containing the element to be diffused

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

Object is coated with a first metal layer which can form a compound with a refractory metal, such as niobium or molybdenum with a low m.p. alloy, which is applied as a second layer. The second layer comprises a circular crystals aligned perpendicularly to the object's surface and is treated with a molten mass of alloy and silicon. This changes the layer partially into a porous protective structure.
FR6922540A 1968-07-03 1969-07-03 Refractory coating a metallic object - against oxidation Withdrawn FR2012247A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH992268A CH497545A (en) 1968-07-03 1968-07-03 Method of manufacturing a protective coating of a metallic object against oxidation at high temperature

Publications (1)

Publication Number Publication Date
FR2012247A1 true FR2012247A1 (en) 1970-03-13

Family

ID=4357128

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6922540A Withdrawn FR2012247A1 (en) 1968-07-03 1969-07-03 Refractory coating a metallic object - against oxidation

Country Status (2)

Country Link
CH (1) CH497545A (en)
FR (1) FR2012247A1 (en)

Also Published As

Publication number Publication date
CH497545A (en) 1970-10-15

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse