FR2388056A1 - Procede pour revetir les appareils en platine ou en alliage a base de platine afin d'assurer leur protection lors de leur utilisation a haute temperature - Google Patents

Procede pour revetir les appareils en platine ou en alliage a base de platine afin d'assurer leur protection lors de leur utilisation a haute temperature

Info

Publication number
FR2388056A1
FR2388056A1 FR7711900A FR7711900A FR2388056A1 FR 2388056 A1 FR2388056 A1 FR 2388056A1 FR 7711900 A FR7711900 A FR 7711900A FR 7711900 A FR7711900 A FR 7711900A FR 2388056 A1 FR2388056 A1 FR 2388056A1
Authority
FR
France
Prior art keywords
appts
platinum
coating
refractory oxide
working life
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.)
Granted
Application number
FR7711900A
Other languages
English (en)
Other versions
FR2388056B1 (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.)
Comptoir Lyon-Alemand Louyot and Cie
Original Assignee
Comptoir Lyon-Alemand Louyot and Cie
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 Comptoir Lyon-Alemand Louyot and Cie filed Critical Comptoir Lyon-Alemand Louyot and Cie
Priority to FR7711900A priority Critical patent/FR2388056A1/fr
Publication of FR2388056A1 publication Critical patent/FR2388056A1/fr
Application granted granted Critical
Publication of FR2388056B1 publication Critical patent/FR2388056B1/fr
Granted 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
    • C23C12/00—Solid state diffusion of at least one non-metal element other than silicon and at least one metal element or silicon into metallic material surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

La présente invention concerne un procédé pour revêtir des appareils en platine ou en alliage à base de platine, caractérisé en ce que l'on réalise un revêtement primaire très adhérent d'un oxyde métallique d'un métal oxydable choisi parmi l'aluminium, le zirconium, l'yttrium et les terres rares, grâce à un procédé consistant à effectuer une cémentation, sur une épaisseur d'au plus environ 100 microns, desdits appareils au moyen dudit métal oxydable, puis à oxyder la surface des appareils << cémentés >> dans des conditions telles qu'il se forme, en surface, ledit oxyde métallique aux dépens du métal oxydable préalablement introduit dans lesdits appareils et les appareils obtenus selon ce procédé.
FR7711900A 1977-04-20 1977-04-20 Procede pour revetir les appareils en platine ou en alliage a base de platine afin d'assurer leur protection lors de leur utilisation a haute temperature Granted FR2388056A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7711900A FR2388056A1 (fr) 1977-04-20 1977-04-20 Procede pour revetir les appareils en platine ou en alliage a base de platine afin d'assurer leur protection lors de leur utilisation a haute temperature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7711900A FR2388056A1 (fr) 1977-04-20 1977-04-20 Procede pour revetir les appareils en platine ou en alliage a base de platine afin d'assurer leur protection lors de leur utilisation a haute temperature

Publications (2)

Publication Number Publication Date
FR2388056A1 true FR2388056A1 (fr) 1978-11-17
FR2388056B1 FR2388056B1 (fr) 1980-03-14

Family

ID=9189659

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7711900A Granted FR2388056A1 (fr) 1977-04-20 1977-04-20 Procede pour revetir les appareils en platine ou en alliage a base de platine afin d'assurer leur protection lors de leur utilisation a haute temperature

Country Status (1)

Country Link
FR (1) FR2388056A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0179704A1 (fr) * 1984-10-19 1986-04-30 Grumman Aerospace Corporation Protection des métaux contre la perméabilité de l'hydrogène

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0179704A1 (fr) * 1984-10-19 1986-04-30 Grumman Aerospace Corporation Protection des métaux contre la perméabilité de l'hydrogène

Also Published As

Publication number Publication date
FR2388056B1 (fr) 1980-03-14

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Legal Events

Date Code Title Description
ST Notification of lapse