IT8321050A1 - Rivestimento di fosfato a bassa temperatura modificato con acido nitrico per acciaio per usi elettrici - Google Patents

Rivestimento di fosfato a bassa temperatura modificato con acido nitrico per acciaio per usi elettrici

Info

Publication number
IT8321050A1
IT8321050A1 IT1983A21050A IT2105083A IT8321050A1 IT 8321050 A1 IT8321050 A1 IT 8321050A1 IT 1983A21050 A IT1983A21050 A IT 1983A21050A IT 2105083 A IT2105083 A IT 2105083A IT 8321050 A1 IT8321050 A1 IT 8321050A1
Authority
IT
Italy
Prior art keywords
steel
low temperature
nitric acid
phosphate coating
coating modified
Prior art date
Application number
IT1983A21050A
Other languages
English (en)
Other versions
IT8321050A0 (it
IT1171065B (it
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of IT8321050A0 publication Critical patent/IT8321050A0/it
Publication of IT8321050A1 publication Critical patent/IT8321050A1/it
Application granted granted Critical
Publication of IT1171065B publication Critical patent/IT1171065B/it

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
    • 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
    • C23C22/73—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 characterised by the process
    • C23C22/74—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 characterised by the process for obtaining burned-in conversion coatings
    • 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
    • C23C22/07—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 phosphates
    • C23C22/23—Condensed phosphates
    • 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
    • C23C22/07—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 phosphates
    • C23C22/08—Orthophosphates
    • C23C22/20—Orthophosphates containing aluminium cations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/14766—Fe-Si based alloys
    • H01F1/14775—Fe-Si based alloys in the form of sheets
    • H01F1/14783—Fe-Si based alloys in the form of sheets with insulating coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Soft Magnetic Materials (AREA)
IT21050/83A 1982-05-12 1983-05-11 Rivestimento di fosfato a bassa temperatura modificato con acido nitrico per acciaio per usi elettrici IT1171065B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37752682A 1982-05-12 1982-05-12

Publications (3)

Publication Number Publication Date
IT8321050A0 IT8321050A0 (it) 1983-05-11
IT8321050A1 true IT8321050A1 (it) 1984-11-11
IT1171065B IT1171065B (it) 1987-06-10

Family

ID=23489458

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21050/83A IT1171065B (it) 1982-05-12 1983-05-11 Rivestimento di fosfato a bassa temperatura modificato con acido nitrico per acciaio per usi elettrici

Country Status (10)

Country Link
JP (1) JPS5925538A (it)
KR (1) KR910003743B1 (it)
BE (1) BE896728A (it)
CA (1) CA1198037A (it)
ES (1) ES8608590A1 (it)
FR (1) FR2526814B1 (it)
IN (1) IN158643B (it)
IT (1) IT1171065B (it)
MX (1) MX159679A (it)
ZA (1) ZA833072B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5968240A (en) * 1997-08-19 1999-10-19 Sermatech International Inc. Phosphate bonding composition
WO2006042116A2 (en) * 2004-10-05 2006-04-20 Applied Thin Films, Inc. Aluminum phosphate compositions, coatings and related composites
JP5153063B2 (ja) * 2005-07-15 2013-02-27 日本発條株式会社 鋼材の表面処理方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971056C (de) * 1949-10-18 1958-12-04 Boleslaw Kaspras Verfahren zur Umwandlung von Rostschichten auf Stahl in Schutzschichten
NL80923C (it) * 1951-08-29
JPS4812300B1 (it) * 1968-10-28 1973-04-19
US3940291A (en) * 1972-03-23 1976-02-24 Armco Steel Corporation Insulative coatings for electrical steels
US4316751A (en) * 1980-04-14 1982-02-23 Hooker Chemicals & Plastics Corp. Electrical resistance coating for steel

Also Published As

Publication number Publication date
JPS5925538A (ja) 1984-02-09
JPH0256020B2 (it) 1990-11-29
FR2526814B1 (fr) 1987-02-27
FR2526814A1 (fr) 1983-11-18
MX159679A (es) 1989-08-02
ZA833072B (en) 1984-01-25
ES522300A0 (es) 1986-06-16
KR910003743B1 (ko) 1991-06-10
BE896728A (fr) 1983-11-14
KR840004793A (ko) 1984-10-24
IN158643B (it) 1986-12-27
ES8608590A1 (es) 1986-06-16
IT8321050A0 (it) 1983-05-11
IT1171065B (it) 1987-06-10
CA1198037A (en) 1985-12-17

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