JPS6475688A - Method for removing coating metal from metal oxide base material - Google Patents

Method for removing coating metal from metal oxide base material

Info

Publication number
JPS6475688A
JPS6475688A JP62234607A JP23460787A JPS6475688A JP S6475688 A JPS6475688 A JP S6475688A JP 62234607 A JP62234607 A JP 62234607A JP 23460787 A JP23460787 A JP 23460787A JP S6475688 A JPS6475688 A JP S6475688A
Authority
JP
Japan
Prior art keywords
metal
base material
coating
chloride
oxide base
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
JP62234607A
Other languages
Japanese (ja)
Other versions
JPH07116621B2 (en
Inventor
Toru Shoji
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.)
Tanaka Kikinzoku Kogyo KK
Original Assignee
Tanaka Kikinzoku Kogyo KK
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 Tanaka Kikinzoku Kogyo KK filed Critical Tanaka Kikinzoku Kogyo KK
Priority to JP62234607A priority Critical patent/JPH07116621B2/en
Publication of JPS6475688A publication Critical patent/JPS6475688A/en
Publication of JPH07116621B2 publication Critical patent/JPH07116621B2/en
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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/10—Etching compositions
    • C23F1/12—Gaseous compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • ing And Chemical Polishing (AREA)

Abstract

PURPOSE:To efficiently remove a coating metal from the metal oxide base material by heating a material obtd. by coating the base material with the metal in the presence of carbon and by feeding gaseous chlorine to volatilize the coating metal as chloride. CONSTITUTION:Each material 1 obtd. by coating the metal oxide base material with a metal is put in a chlorination vessel 4 having carbon fibers on the bottom. The vessel 4 is heated with a circular electric furnace 5 and gaseous chlorine is fed from a feed pipe 6 to volatilize the coating metal as chloride. The volatilized chloride is removed from the system through an exhaust pipe 7 so heated that the chloride does not condense. The coating metal is removed until it is not detected at all on the surface of the material 1 and the base material can be reutilized because the surface roughness is not considerably changed.
JP62234607A 1987-09-18 1987-09-18 Method for removing coated metal from metal oxide substrate Expired - Lifetime JPH07116621B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62234607A JPH07116621B2 (en) 1987-09-18 1987-09-18 Method for removing coated metal from metal oxide substrate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62234607A JPH07116621B2 (en) 1987-09-18 1987-09-18 Method for removing coated metal from metal oxide substrate

Publications (2)

Publication Number Publication Date
JPS6475688A true JPS6475688A (en) 1989-03-22
JPH07116621B2 JPH07116621B2 (en) 1995-12-13

Family

ID=16973686

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62234607A Expired - Lifetime JPH07116621B2 (en) 1987-09-18 1987-09-18 Method for removing coated metal from metal oxide substrate

Country Status (1)

Country Link
JP (1) JPH07116621B2 (en)

Also Published As

Publication number Publication date
JPH07116621B2 (en) 1995-12-13

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