HRP20181045T1 - Postupak jetkanja elektročelika koji sadrži silicij kiselom otopinom za jetkanje koja sadrži feri ione - Google Patents

Postupak jetkanja elektročelika koji sadrži silicij kiselom otopinom za jetkanje koja sadrži feri ione Download PDF

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Publication number
HRP20181045T1
HRP20181045T1 HRP20181045TT HRP20181045T HRP20181045T1 HR P20181045 T1 HRP20181045 T1 HR P20181045T1 HR P20181045T T HRP20181045T T HR P20181045TT HR P20181045 T HRP20181045 T HR P20181045T HR P20181045 T1 HRP20181045 T1 HR P20181045T1
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HR
Croatia
Prior art keywords
vol
silicon
concentration
electrical steel
less
Prior art date
Application number
HRP20181045TT
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English (en)
Inventor
Vijay N. Madi
Amanda R.D. Glass
Ronald D. Rodabaugh
Original Assignee
Ak Steel Properties, Inc.
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 Ak Steel Properties, Inc. filed Critical Ak Steel Properties, Inc.
Publication of HRP20181045T1 publication Critical patent/HRP20181045T1/hr

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    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • C23G1/086—Iron or steel solutions containing HF
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G3/00—Apparatus for cleaning or pickling metallic material
    • C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G3/00—Apparatus for cleaning or pickling metallic material
    • C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
    • C23G3/021—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously by dipping
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G3/00—Apparatus for cleaning or pickling metallic material
    • C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
    • C23G3/027—Associated apparatus, e.g. for pretreating or after-treating
    • C23G3/029—Associated apparatus, e.g. for pretreating or after-treating for removing the pickling fluid from the objects

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  • 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)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Claims (13)

1. Postupak jetkanja elektročelik koji sadrži silicij, naznačen time što se sastoji u obradi elektročelika koji sadrži silicij smjesom koja sadrži HCl, HF, Fe3+, te Fe2+; gdje je koncentracija HF manja od 3% tež./vol; , te gdje koncentracija Fe3+ nije manja od 2% tež./vol.
2. Postupak u skladu s patentnim zahtjevom 1, naznačen time što se koncentracija Fe3+ kreće od 2% tež./vol. do 8% tež./vol.
3. Postupak u skladu s patentnim zahtjevom 1, naznačen time što se koncentracija HCl kreće od 6% tež./vol. do 15% tež./vol.
4. Postupak u skladu s patentnim zahtjevom 1, naznačen time što se koncentracija HF kreće od 1 do 2% tež./vol.
5. Postupak u skladu s patentnim zahtjevom 1, naznačen time što je koncentracija HF otprilike 1,5% tež./vol.
6. Postupak u skladu s patentnim zahtjevom 1, naznačen time što je koncentracija Fe2+ manja od 6% tež./vol.
7. Postupak u skladu s patentnim zahtjevom 1, naznačen time što vodikov peroksid se ne raspršuje po čeliku.
8. Postupak u skladu s patentnim zahtjevom 1, naznačen time što čelik se jetka kontinuirano.
9. Postupak u skladu s patentnim zahtjevom 1, naznačen time što temperatura smjese nije manja od 60 °C (140 °F).
10. Postupak u skladu s patentnim zahtjevom 1, naznačen time što temperatura smjese nije manja od 65,6 °C (150 °F).
11. Postupak u skladu s patentnim zahtjevom 1, naznačen time što elektročelik koji sadrži silicij sadrži manje od 2% silicija.
12. Postupak u skladu s patentnim zahtjevom 1, naznačen time što elektročelik koji sadrži silicij sadrži otprilike 3% silicija.
13. Postupak u skladu s patentnim zahtjevom 1, naznačen time što se sastoji u koracima: stavljanja materijala koji treba obraditi u kadu za jetkanje koju se drži na temperaturi u rasponu od 71,1 °C (160 °F) do 82,2 °C (180 °F), koja sadrži smjesu u skladu s patentnim zahtjevom 1; gdje se kadu trese, smjesi se kontinuirano ili povremeno dodaje oksidans, HF i HCl, a Fe2+ se oksidira vodikovim peroksidom ili drugim oksidansima.
HRP20181045TT 2008-11-14 2018-07-05 Postupak jetkanja elektročelika koji sadrži silicij kiselom otopinom za jetkanje koja sadrži feri ione HRP20181045T1 (hr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11466008P 2008-11-14 2008-11-14
PCT/US2009/064161 WO2010056825A2 (en) 2008-11-14 2009-11-12 Ferric pickling of silicon steel
EP09752678.4A EP2352861B1 (en) 2008-11-14 2009-11-12 Process for pickling silicon-containing electrical steel with an acidic pickling solution containing ferric ions

Publications (1)

Publication Number Publication Date
HRP20181045T1 true HRP20181045T1 (hr) 2018-08-24

Family

ID=41796126

Family Applications (1)

Application Number Title Priority Date Filing Date
HRP20181045TT HRP20181045T1 (hr) 2008-11-14 2018-07-05 Postupak jetkanja elektročelika koji sadrži silicij kiselom otopinom za jetkanje koja sadrži feri ione

Country Status (12)

Country Link
US (1) US8128754B2 (hr)
EP (1) EP2352861B1 (hr)
JP (1) JP5313358B2 (hr)
KR (1) KR101373975B1 (hr)
CN (1) CN102203324B (hr)
BR (1) BRPI0921093A2 (hr)
CA (1) CA2738724C (hr)
HR (1) HRP20181045T1 (hr)
MX (1) MX2011005099A (hr)
PL (1) PL2352861T3 (hr)
SI (1) SI2352861T1 (hr)
WO (1) WO2010056825A2 (hr)

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Also Published As

Publication number Publication date
US8128754B2 (en) 2012-03-06
JP5313358B2 (ja) 2013-10-09
MX2011005099A (es) 2011-08-12
CA2738724C (en) 2013-04-23
CA2738724A1 (en) 2010-05-20
WO2010056825A2 (en) 2010-05-20
PL2352861T3 (pl) 2018-10-31
WO2010056825A3 (en) 2010-07-15
EP2352861A2 (en) 2011-08-10
SI2352861T1 (sl) 2018-09-28
KR20110094020A (ko) 2011-08-19
EP2352861B1 (en) 2018-05-16
US20100122712A1 (en) 2010-05-20
CN102203324B (zh) 2013-09-04
BRPI0921093A2 (pt) 2015-12-15
CN102203324A (zh) 2011-09-28
JP2012508820A (ja) 2012-04-12
KR101373975B1 (ko) 2014-03-12

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