JPS5441239A - Anticorrosive covering method for steel - Google Patents

Anticorrosive covering method for steel

Info

Publication number
JPS5441239A
JPS5441239A JP10812177A JP10812177A JPS5441239A JP S5441239 A JPS5441239 A JP S5441239A JP 10812177 A JP10812177 A JP 10812177A JP 10812177 A JP10812177 A JP 10812177A JP S5441239 A JPS5441239 A JP S5441239A
Authority
JP
Japan
Prior art keywords
steel
film
silicate
inorg
strength
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
JP10812177A
Other languages
Japanese (ja)
Inventor
Shozo Nagao
Junkichi Iwamatsu
Yoshinobu Ohashi
Hiroshi Kitsukawa
Kozo Nishizaki
Yasunori Okamoto
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.)
Kubota Corp
Original Assignee
Kubota 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 Kubota Corp filed Critical Kubota Corp
Priority to JP10812177A priority Critical patent/JPS5441239A/en
Publication of JPS5441239A publication Critical patent/JPS5441239A/en
Pending 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/80—After-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

PURPOSE:To form an anticorrosive film of superior adherence and strength on steel contg. Si>0.5% by heating the steel in an oxidizing atmosphere to form an inorg. film based on iron oxide and iron silicate, and coating an inorg. zinc rich paint using an alkali silicate as a binder. CONSTITUTION:Steel contg. Si>0.5% is heated to 700-950 deg.C in an oxidizing atmosphere to form a 0.02-0.5mm. thick inorg. film based on iron oxide and iron silicate. Since this film has good adherence to the steel base and superior strength. however it is porous and has an inferior waterproof character, a zinc rich paint using an alkali silicate such as calcium silicate as a binder is coated to prevent penetration of corrosive water, thereby forming a film of superior adherence, strength and corrosion resistance.
JP10812177A 1977-09-07 1977-09-07 Anticorrosive covering method for steel Pending JPS5441239A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10812177A JPS5441239A (en) 1977-09-07 1977-09-07 Anticorrosive covering method for steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10812177A JPS5441239A (en) 1977-09-07 1977-09-07 Anticorrosive covering method for steel

Publications (1)

Publication Number Publication Date
JPS5441239A true JPS5441239A (en) 1979-04-02

Family

ID=14476446

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10812177A Pending JPS5441239A (en) 1977-09-07 1977-09-07 Anticorrosive covering method for steel

Country Status (1)

Country Link
JP (1) JPS5441239A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49102739A (en) * 1973-01-23 1974-09-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49102739A (en) * 1973-01-23 1974-09-27

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