FR2370107A1 - PROCESS FOR OBTAINING A BLACK COATING ON ALUMINUM - Google Patents

PROCESS FOR OBTAINING A BLACK COATING ON ALUMINUM

Info

Publication number
FR2370107A1
FR2370107A1 FR7732926A FR7732926A FR2370107A1 FR 2370107 A1 FR2370107 A1 FR 2370107A1 FR 7732926 A FR7732926 A FR 7732926A FR 7732926 A FR7732926 A FR 7732926A FR 2370107 A1 FR2370107 A1 FR 2370107A1
Authority
FR
France
Prior art keywords
aluminum
obtaining
black coating
ions
calcium
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
FR7732926A
Other languages
French (fr)
Other versions
FR2370107B1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2370107A1 publication Critical patent/FR2370107A1/en
Application granted granted Critical
Publication of FR2370107B1 publication Critical patent/FR2370107B1/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
    • 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
    • C23C22/05—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 using aqueous solutions
    • C23C22/60—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 using aqueous solutions using alkaline aqueous solutions with pH greater than 8
    • C23C22/66—Treatment of aluminium or alloys based thereon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S70/00—Details of absorbing elements
    • F24S70/20—Details of absorbing elements characterised by absorbing coatings; characterised by surface treatment for increasing absorption
    • F24S70/25—Coatings made of metallic material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers

Abstract

L'invention a pour objet un procédé d'obtention d'un revêtement de couleur noire sur de l'aluminium ou un alliage d'aluminium, caractérisé en ce qu'on traite le métal par une solution aqueuse alcaline contenant des ions nitrite, des ions silicate, des ions zinc et des ions calcium et/ou magnésium, la solution ayant un pH de 9 à 12.The subject of the invention is a process for obtaining a black coating on aluminum or an aluminum alloy, characterized in that the metal is treated with an alkaline aqueous solution containing nitrite ions, silicate ions, zinc ions and calcium and / or magnesium ions, the solution having a pH of 9 to 12.

FR7732926A 1976-11-05 1977-11-02 PROCESS FOR OBTAINING A BLACK COATING ON ALUMINUM Granted FR2370107A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13232176A JPS5357142A (en) 1976-11-05 1976-11-05 Process for forming black coating on aluminum or aluminum alloy

Publications (2)

Publication Number Publication Date
FR2370107A1 true FR2370107A1 (en) 1978-06-02
FR2370107B1 FR2370107B1 (en) 1980-06-20

Family

ID=15078571

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7732926A Granted FR2370107A1 (en) 1976-11-05 1977-11-02 PROCESS FOR OBTAINING A BLACK COATING ON ALUMINUM

Country Status (7)

Country Link
JP (1) JPS5357142A (en)
CH (1) CH615462A5 (en)
DE (1) DE2739576A1 (en)
FR (1) FR2370107A1 (en)
GB (1) GB1590597A (en)
IT (1) IT1089033B (en)
SE (1) SE425008B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0106998A1 (en) * 1982-09-28 1984-05-02 ALUMINIA S.p.A. Process for producing a black selective coating on surfaces of bodies of aluminium and its alloys and products so obtained
FR2562095A1 (en) * 1984-04-03 1985-10-04 Imp Clevite Inc PROCESS FOR ADHERING A POLYMERIC MATERIAL RESISTANT TO HIGH TEMPERATURES ON AN ALUMINUM-BASED SUBSTRATE AND BATH FOR ITS IMPLEMENTATION

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO146439C (en) * 1979-11-09 1982-09-29 Inst Energiteknik PROCEDURE FOR THE PREPARATION OF A DARK COLOR, WAVE LENGTH SELECTIVE ALUMINUM OIL
US4342967A (en) * 1980-05-01 1982-08-03 Gte Laboratories Incorporated High voltage, high frequency amplifier
US4555294A (en) * 1984-04-03 1985-11-26 Imperial Clevite Inc. Inorganic composition adapted for use in bonding a high temperature resistant polymeric material to an aluminum base substrate
DE3828676A1 (en) * 1988-08-24 1990-03-01 Metallgesellschaft Ag PHOSPHATING PROCESS
JP2756169B2 (en) * 1990-02-26 1998-05-25 古河電気工業株式会社 Manufacturing method of colored aluminum transmission line and its accessories
US5441773A (en) * 1992-01-21 1995-08-15 Betz Laboratories, Inc. Composition and method of forming a black no-rinse conversion coating on metal surfaces
JP5634000B2 (en) * 2006-04-06 2014-12-03 新日鐵住金株式会社 Surface treated metal parts
FR3041695B1 (en) 2015-09-25 2019-03-29 Illinois Tool Works Inc. DEGASSING TANK AND MOTOR VEHICLE COMPRISING SUCH A TANK
CN114990538B (en) * 2022-08-04 2022-11-25 山东一立动力科技股份有限公司 Aluminum alloy surface blackening treatment method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1846844A (en) * 1929-07-16 1932-02-23 Gen Electric Process of treating aluminum
FR1007070A (en) * 1948-02-19 1952-04-30 Vernal S A Process for improving the appearance of the surface of objects made of aluminum or aluminum alloys
FR2354394A1 (en) * 1976-06-09 1978-01-06 Toyo Aluminium Kk SOLAR ENERGY RECEPTORS AND THEIR MANUFACTURING METHOD

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1914759A1 (en) * 1969-03-22 1970-10-01 Dettner Dr Heinz W Hot alkaline baths
US3971674A (en) * 1975-03-03 1976-07-27 Aluminum Company Of America Selective black coating for aluminum

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1846844A (en) * 1929-07-16 1932-02-23 Gen Electric Process of treating aluminum
FR1007070A (en) * 1948-02-19 1952-04-30 Vernal S A Process for improving the appearance of the surface of objects made of aluminum or aluminum alloys
FR2354394A1 (en) * 1976-06-09 1978-01-06 Toyo Aluminium Kk SOLAR ENERGY RECEPTORS AND THEIR MANUFACTURING METHOD

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0106998A1 (en) * 1982-09-28 1984-05-02 ALUMINIA S.p.A. Process for producing a black selective coating on surfaces of bodies of aluminium and its alloys and products so obtained
FR2562095A1 (en) * 1984-04-03 1985-10-04 Imp Clevite Inc PROCESS FOR ADHERING A POLYMERIC MATERIAL RESISTANT TO HIGH TEMPERATURES ON AN ALUMINUM-BASED SUBSTRATE AND BATH FOR ITS IMPLEMENTATION

Also Published As

Publication number Publication date
JPS5551030B2 (en) 1980-12-22
SE7712511L (en) 1978-05-05
SE425008B (en) 1982-08-23
CH615462A5 (en) 1980-01-31
DE2739576A1 (en) 1978-05-18
IT1089033B (en) 1985-06-10
JPS5357142A (en) 1978-05-24
FR2370107B1 (en) 1980-06-20
GB1590597A (en) 1981-06-03

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Legal Events

Date Code Title Description
ST Notification of lapse