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IT1168765B - Metodo per l'annerimento di superfici di parti di acciaio con azoto umido - Google Patents

Metodo per l'annerimento di superfici di parti di acciaio con azoto umido

Info

Publication number
IT1168765B
IT1168765B IT47709/83A IT4770983A IT1168765B IT 1168765 B IT1168765 B IT 1168765B IT 47709/83 A IT47709/83 A IT 47709/83A IT 4770983 A IT4770983 A IT 4770983A IT 1168765 B IT1168765 B IT 1168765B
Authority
IT
Italy
Prior art keywords
anneration
steel parts
wet nitrogen
wet
nitrogen
Prior art date
Application number
IT47709/83A
Other languages
English (en)
Other versions
IT8347709A0 (it
Inventor
Chris W Ebert
Earle Solomon Thall
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of IT8347709A0 publication Critical patent/IT8347709A0/it
Application granted granted Critical
Publication of IT1168765B publication Critical patent/IT1168765B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
    • H01J9/142—Manufacture of electrodes or electrode systems of non-emitting electrodes of shadow-masks for colour television tubes
    • H01J9/146—Surface treatment, e.g. blackening, coating
    • 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
    • C23C8/06—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 using gases
    • C23C8/08—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 using gases only one element being applied
    • C23C8/10—Oxidising
    • C23C8/16—Oxidising using oxygen-containing compounds, e.g. water, carbon dioxide
    • C23C8/18—Oxidising of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Coating With Molten Metal (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
IT47709/83A 1982-02-22 1983-02-15 Metodo per l'annerimento di superfici di parti di acciaio con azoto umido IT1168765B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35128182A 1982-02-22 1982-02-22

Publications (2)

Publication Number Publication Date
IT8347709A0 IT8347709A0 (it) 1983-02-15
IT1168765B true IT1168765B (it) 1987-05-20

Family

ID=23380305

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47709/83A IT1168765B (it) 1982-02-22 1983-02-15 Metodo per l'annerimento di superfici di parti di acciaio con azoto umido

Country Status (4)

Country Link
US (1) US4448612A (it)
JP (1) JPS58157977A (it)
FR (1) FR2522020B1 (it)
IT (1) IT1168765B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2532108A1 (fr) * 1982-08-20 1984-02-24 Videocolor Sa Procede de preparation des pieces ferreuses d'un tube de television en couleurs et four pour la mise en oeuvre d'un tel procede
DE3639657A1 (de) * 1986-11-20 1988-06-01 Philips Patentverwaltung Verfahren zum reinigen von metallbauteilen fuer kathodenstrahlroehren
JP2590182B2 (ja) * 1987-03-07 1997-03-12 株式会社東芝 黒化炉およびこの黒化炉を使用したシャドウマスクの製造方法
US4859251A (en) * 1987-03-07 1989-08-22 Kabushiki Kaisha Toshiba Furnace for formation of black oxide film on the surface of thin metal sheet and method for formation of black oxide film on the surface of shadow mask material by use of said furnace
GB2208658B (en) * 1987-07-17 1992-02-19 Lucas Ind Plc Manufacture of corrosion resistant steel components
JPH0526905Y2 (it) * 1988-03-23 1993-07-08
JP2768389B2 (ja) * 1991-04-03 1998-06-25 中外炉工業 株式会社 Ｎｉ−Ｆｅ系製シヤドウマスクの黒化処理方法
US5292274A (en) * 1993-03-25 1994-03-08 Thomson Consumer Electronics, Inc. Method of manufacturing a color CRT to optimize the magnetic performance
US6068712A (en) * 1998-01-08 2000-05-30 Kawasaki Steel Corporation Steel products having superior weathering, method of producing the steel products, and method of forming weathering protective rust on steel product surfaces
CN105154635A (zh) * 2015-09-17 2015-12-16 宝钢集团南通线材制品有限公司 一种耐蚀性弹簧钢的含氧蒸汽的发蓝方法
JP6072952B1 (ja) * 2016-03-01 2017-02-01 日新製鋼株式会社 黒色めっき鋼板を製造する方法、黒色めっき鋼板を製造する装置および黒色めっき鋼板を製造するシステム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2398012A (en) * 1939-12-08 1946-04-09 Sylvania Electric Prod Electrode for electron discharge devices
US3510366A (en) * 1967-02-06 1970-05-05 Buckbee Mears Co Method for blackening aperture masks for colored tv picture tubes
DE1771936A1 (de) * 1968-08-01 1972-01-05 Telefunken Patent Verfahren zum Erzeugen einer Oxydschicht
DE2440447C2 (de) * 1974-08-23 1980-09-04 Smit Nijmegen B.V., Nijmegen (Niederlande) Verfahren zur Erzeugung einer Eisen-Oxidschicht
DE2503763C3 (de) * 1975-01-30 1978-03-16 Uranit Uran-Isotopentrennungs- Gesellschaft Mbh, 5170 Juelich Verfahren zur Bildung einer korrosionsverhütenden, oxidischen Schutzschicht auf korrosionsempfindlichen Stählen
DE2536446C2 (de) * 1975-08-16 1985-01-10 Uranit GmbH, 5170 Jülich Vorrichtung zur Durchführung eines Verfahrens zur Bildung einer korrosionsverhütenden, oxidischen Schutzschicht auf korrosionsempfindlichen Stählen
JPS55152182A (en) * 1979-05-14 1980-11-27 Kanto Yakin Kogyo Kk Steam treatment of iron based product
JPS56121257A (en) * 1980-02-28 1981-09-24 Mitsubishi Electric Corp Manufacture of cathode-ray tube

Also Published As

Publication number Publication date
IT8347709A0 (it) 1983-02-15
FR2522020B1 (fr) 1985-12-20
JPS58157977A (ja) 1983-09-20
FR2522020A1 (fr) 1983-08-26
US4448612A (en) 1984-05-15

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