KR930011768B1 - 내흑변성, 내식성, 내지문성 및 알칼리 탈지후의 크롬 고정율이 우수한 크로메이트처리 전기 아연 도금 강판의 제조방법 - Google Patents

내흑변성, 내식성, 내지문성 및 알칼리 탈지후의 크롬 고정율이 우수한 크로메이트처리 전기 아연 도금 강판의 제조방법 Download PDF

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Publication number
KR930011768B1
KR930011768B1 KR1019890000642A KR890000642A KR930011768B1 KR 930011768 B1 KR930011768 B1 KR 930011768B1 KR 1019890000642 A KR1019890000642 A KR 1019890000642A KR 890000642 A KR890000642 A KR 890000642A KR 930011768 B1 KR930011768 B1 KR 930011768B1
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KR
South Korea
Prior art keywords
chromate
steel sheet
resistance
chromium
range
Prior art date
Application number
KR1019890000642A
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English (en)
Korean (ko)
Other versions
KR890012022A (ko
Inventor
쓰도무 와다나베
마사아끼 야마시다
마사루 사기야마
신지 호리
Original Assignee
엔케이케이 코오포레이숀
니이미야 유우
니혼 파아커라이정 가부시기가이샤
사도미 유다까
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.)
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Publication date
Application filed by 엔케이케이 코오포레이숀, 니이미야 유우, 니혼 파아커라이정 가부시기가이샤, 사도미 유다까 filed Critical 엔케이케이 코오포레이숀
Publication of KR890012022A publication Critical patent/KR890012022A/ko
Application granted granted Critical
Publication of KR930011768B1 publication Critical patent/KR930011768B1/ko

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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • 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
    • C23C22/06—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 acidic solutions with pH less than 6
    • C23C22/24—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 acidic solutions with pH less than 6 containing hexavalent chromium compounds

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Electroplating Methods And Accessories (AREA)
KR1019890000642A 1988-01-22 1989-01-21 내흑변성, 내식성, 내지문성 및 알칼리 탈지후의 크롬 고정율이 우수한 크로메이트처리 전기 아연 도금 강판의 제조방법 KR930011768B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1213288 1988-01-22
JP63-12132 1988-01-22
JP88-12132 1988-01-22

Publications (2)

Publication Number Publication Date
KR890012022A KR890012022A (ko) 1989-08-24
KR930011768B1 true KR930011768B1 (ko) 1993-12-20

Family

ID=11797006

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890000642A KR930011768B1 (ko) 1988-01-22 1989-01-21 내흑변성, 내식성, 내지문성 및 알칼리 탈지후의 크롬 고정율이 우수한 크로메이트처리 전기 아연 도금 강판의 제조방법

Country Status (2)

Country Link
JP (1) JPH0794715B2 (ja)
KR (1) KR930011768B1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0753912B2 (ja) * 1990-05-31 1995-06-07 川崎製鉄株式会社 接着下地用表面処理鋼板の製造方法
JP2628782B2 (ja) * 1990-10-08 1997-07-09 日本パーカライジング株式会社 亜鉛系めっき鋼板のクロメート処理方法
KR100311804B1 (ko) * 1998-12-01 2001-11-22 이구택 저온반응성과 내식성이 우수한 내지문용액 및 이를 이용한 내지문강판의 제조방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5217340A (en) * 1975-08-01 1977-02-09 Kansai Paint Co Ltd Metal surface treatment
JPH08982B2 (ja) * 1986-02-28 1996-01-10 日本パ−カライジング株式会社 金属のクロメ−ト処理方法
JPS63171685A (ja) * 1986-12-30 1988-07-15 Nippon Steel Corp 耐食性白色クロメ−ト処理方法

Also Published As

Publication number Publication date
JPH01283382A (ja) 1989-11-14
KR890012022A (ko) 1989-08-24
JPH0794715B2 (ja) 1995-10-11

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