DE69719294D1 - Chromfreie Oberflächenbehandlung zum Korrosionsschutz von Aluminium und dessen Legierungen - Google Patents

Chromfreie Oberflächenbehandlung zum Korrosionsschutz von Aluminium und dessen Legierungen

Info

Publication number
DE69719294D1
DE69719294D1 DE69719294T DE69719294T DE69719294D1 DE 69719294 D1 DE69719294 D1 DE 69719294D1 DE 69719294 T DE69719294 T DE 69719294T DE 69719294 T DE69719294 T DE 69719294T DE 69719294 D1 DE69719294 D1 DE 69719294D1
Authority
DE
Germany
Prior art keywords
alloys
chromium
corrosion
surface treatment
free surface
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 - Lifetime
Application number
DE69719294T
Other languages
English (en)
Other versions
DE69719294T2 (de
Inventor
Jordan L Rosengard
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.)
Raytheon Co
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Publication of DE69719294D1 publication Critical patent/DE69719294D1/de
Application granted granted Critical
Publication of DE69719294T2 publication Critical patent/DE69719294T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C23C22/68—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 aqueous solutions with pH between 6 and 8

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)
  • Chemical Treatment Of Metals (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
DE69719294T 1996-11-21 1997-11-18 Chromfreie Oberflächenbehandlung zum Korrosionsschutz von Aluminium und dessen Legierungen Expired - Lifetime DE69719294T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/754,374 US5693153A (en) 1996-11-21 1996-11-21 Non-chromated surface preparation materials and methods for corrosion protection of aluminum and its alloys

Publications (2)

Publication Number Publication Date
DE69719294D1 true DE69719294D1 (de) 2003-04-03
DE69719294T2 DE69719294T2 (de) 2003-12-11

Family

ID=25034516

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69719294T Expired - Lifetime DE69719294T2 (de) 1996-11-21 1997-11-18 Chromfreie Oberflächenbehandlung zum Korrosionsschutz von Aluminium und dessen Legierungen

Country Status (4)

Country Link
US (1) US5693153A (de)
EP (1) EP0844315B1 (de)
CA (1) CA2218671C (de)
DE (1) DE69719294T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090181258A1 (en) * 2008-01-10 2009-07-16 Bibber John W Conversion coating for aluminum and its alloys and articles thereof
US20090178586A1 (en) * 2008-01-10 2009-07-16 Bibber John W Conversion coating for magnesium, beryllium and their alloys and articles thereof
US11926899B2 (en) 2020-12-04 2024-03-12 Raytheon Company Process for application of oxyhydroxides coating for aluminum containing material
CN115418644B (zh) * 2022-10-10 2024-03-26 湖南金裕环保科技有限公司 缓蚀剂、制备方法及其在水基清洗剂中的应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3200245C2 (de) * 1982-01-07 1986-06-05 Showa Aluminum Corp., Sakai, Osaka Verdampfer, insbesondere von Klimaanlagen, und Verfahren zu seiner Beschichtung
US4711667A (en) * 1986-08-29 1987-12-08 Sanchem, Inc. Corrosion resistant aluminum coating
US4895608A (en) * 1988-04-29 1990-01-23 Sanchem, Inc. Corrosion resistant aluminum coating composition
US4988396A (en) * 1989-04-26 1991-01-29 Sanchem, Inc. Corrosion resistant aluminum coating composition
US5192374A (en) * 1991-09-27 1993-03-09 Hughes Aircraft Company Chromium-free method and composition to protect aluminum

Also Published As

Publication number Publication date
EP0844315A1 (de) 1998-05-27
CA2218671C (en) 2001-04-10
CA2218671A1 (en) 1998-05-21
DE69719294T2 (de) 2003-12-11
US5693153A (en) 1997-12-02
EP0844315B1 (de) 2003-02-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition