JPS6447895A - Method for cladding aluminum material with zinc - Google Patents

Method for cladding aluminum material with zinc

Info

Publication number
JPS6447895A
JPS6447895A JP20485687A JP20485687A JPS6447895A JP S6447895 A JPS6447895 A JP S6447895A JP 20485687 A JP20485687 A JP 20485687A JP 20485687 A JP20485687 A JP 20485687A JP S6447895 A JPS6447895 A JP S6447895A
Authority
JP
Japan
Prior art keywords
film
bath
thickness
compsn
zincifying
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.)
Pending
Application number
JP20485687A
Other languages
Japanese (ja)
Inventor
Yoshifumi Shimajiri
Kanji Takasaki
Ken Katsuta
Koichi Iwaoka
Noboru Yamaguchi
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.)
Altemira Co Ltd
Original Assignee
Showa Aluminum Corp
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 Showa Aluminum Corp filed Critical Showa Aluminum Corp
Priority to JP20485687A priority Critical patent/JPS6447895A/en
Publication of JPS6447895A publication Critical patent/JPS6447895A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B33/00—Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

PURPOSE:To form a Zn film as a thick base layer on the surface of an Al material before the formation of a Zn diffusion layer having superior corrosion preventiveness, by immersing the Al material in a zincifying bath having a specified compsn. for a short time and by supplying electric current to the Al material in a bath having the same compsn. CONSTITUTION:When a Zn diffusion layer having 1-5wt.% Zn concn. is formed in 30-300mum thickness so as to improve the corrosion resistance of a heat exchanger made of Al, etc., a Zn film of at least 0.5-8.0mum thickness is formed on the surface of the Al material and the Zn is diffused in the Al material by heating as usual. In order to form the Zn film on the surface of the Al material, the material is zincified by immersion in a zincifying bath contg. 5-15g/l ZnO, 50-150g/l NaOH and 3-10ml/l brightener such as aminoaldehyde at 20-35 deg.C and >=5sec and electric current is supplied to the Al material in a bath having the same compsn. to electrodeposit a Zn film of 0.5-8.0mum thickness with superior adhesive strength.
JP20485687A 1987-08-17 1987-08-17 Method for cladding aluminum material with zinc Pending JPS6447895A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20485687A JPS6447895A (en) 1987-08-17 1987-08-17 Method for cladding aluminum material with zinc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20485687A JPS6447895A (en) 1987-08-17 1987-08-17 Method for cladding aluminum material with zinc

Publications (1)

Publication Number Publication Date
JPS6447895A true JPS6447895A (en) 1989-02-22

Family

ID=16497531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20485687A Pending JPS6447895A (en) 1987-08-17 1987-08-17 Method for cladding aluminum material with zinc

Country Status (1)

Country Link
JP (1) JPS6447895A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0533162A (en) * 1991-07-30 1993-02-09 Nippon Steel Corp Zn-based composite plated Al alloy plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0533162A (en) * 1991-07-30 1993-02-09 Nippon Steel Corp Zn-based composite plated Al alloy plate

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