NL165229B - METHOD FOR INCREASING THE HARDNESS OF A POROUS LAYER THAT IS FORMED ON THE SURFACE OF A CRYSTAL IRON ALLOY. - Google Patents

METHOD FOR INCREASING THE HARDNESS OF A POROUS LAYER THAT IS FORMED ON THE SURFACE OF A CRYSTAL IRON ALLOY.

Info

Publication number
NL165229B
NL165229B NL7313995.A NL7313995A NL165229B NL 165229 B NL165229 B NL 165229B NL 7313995 A NL7313995 A NL 7313995A NL 165229 B NL165229 B NL 165229B
Authority
NL
Netherlands
Prior art keywords
hardness
increasing
porous layer
iron alloy
crystal iron
Prior art date
Application number
NL7313995.A
Other languages
Dutch (nl)
Other versions
NL7313995A (en
NL165229C (en
Original Assignee
Inco Europ Ltd
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 Inco Europ Ltd filed Critical Inco Europ Ltd
Publication of NL7313995A publication Critical patent/NL7313995A/xx
Publication of NL165229B publication Critical patent/NL165229B/en
Application granted granted Critical
Publication of NL165229C publication Critical patent/NL165229C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D9/00—Electrolytic coating other than with metals
    • C25D9/04—Electrolytic coating other than with metals with inorganic materials
    • C25D9/08—Electrolytic coating other than with metals with inorganic materials by cathodic processes
    • C25D9/10—Electrolytic coating other than with metals with inorganic materials by cathodic processes on iron or steel
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/04—Electroplating: Baths therefor from solutions of chromium
NL7313995.A 1972-10-12 1973-10-11 METHOD FOR INCREASING THE HARDNESS OF A POROUS LAYER THAT IS FORMED ON THE SURFACE OF A CRYSTAL IRON ALLOY. NL165229C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4704872A GB1435518A (en) 1972-10-12 1972-10-12 Electrolytic treatment of chromium-containing alloys and electro lytes for use therein

Publications (3)

Publication Number Publication Date
NL7313995A NL7313995A (en) 1974-04-16
NL165229B true NL165229B (en) 1980-10-15
NL165229C NL165229C (en) 1981-03-16

Family

ID=10443517

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7313995.A NL165229C (en) 1972-10-12 1973-10-11 METHOD FOR INCREASING THE HARDNESS OF A POROUS LAYER THAT IS FORMED ON THE SURFACE OF A CRYSTAL IRON ALLOY.

Country Status (16)

Country Link
US (1) US3832292A (en)
JP (1) JPS5546476B2 (en)
AT (1) AT326441B (en)
BE (1) BE805953R (en)
CA (1) CA1012922A (en)
CH (1) CH557889A (en)
DE (1) DE2350994C3 (en)
DK (1) DK144338C (en)
ES (1) ES419556A2 (en)
FR (1) FR2202956B2 (en)
GB (1) GB1435518A (en)
HK (1) HK72276A (en)
IT (1) IT1066695B (en)
NL (1) NL165229C (en)
SE (1) SE435939B (en)
ZA (1) ZA737932B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1569882A (en) * 1976-02-13 1980-06-25 Inco Europ Ltd Treatment of chromium-containing iron alloys
AU8386982A (en) * 1981-06-01 1982-12-09 Wiggin Alloys Ltd. Increasing absorptance of porous film on cr containing iron alloy
CA1274754A (en) * 1985-09-06 1990-10-02 Gary A. Reghi Passivation process and composition for zinc-aluminum alloys
JPS62168006U (en) * 1986-04-16 1987-10-24
NL9000310A (en) * 1989-02-27 1990-09-17 Omi Int Corp MIXTURE AND METHOD FOR CONVERSION.
CN106435585B (en) * 2016-08-16 2019-07-12 深圳市诚达科技股份有限公司 A kind of surface C TS method for anti-corrosion treatment of stainless steel part
KR102572078B1 (en) * 2018-01-04 2023-08-30 삼성전자주식회사 Passivation Surface Treatment of Stainless Steel

Also Published As

Publication number Publication date
SE435939B (en) 1984-10-29
US3832292A (en) 1974-08-27
JPS5546476B2 (en) 1980-11-25
ZA737932B (en) 1975-06-25
DE2350994C3 (en) 1979-10-11
NL7313995A (en) 1974-04-16
FR2202956B2 (en) 1977-09-09
ATA873773A (en) 1975-02-15
FR2202956A2 (en) 1974-05-10
CH557889A (en) 1975-01-15
BE805953R (en) 1974-04-11
DK144338B (en) 1982-02-22
AT326441B (en) 1975-12-10
GB1435518A (en) 1976-05-12
AU6128173A (en) 1975-04-17
ES419556A2 (en) 1976-05-01
DK144338C (en) 1982-07-19
IT1066695B (en) 1985-03-12
DE2350994B2 (en) 1979-02-22
JPS4994530A (en) 1974-09-07
DE2350994A1 (en) 1974-05-09
HK72276A (en) 1976-11-26
CA1012922A (en) 1977-06-28
NL165229C (en) 1981-03-16

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Legal Events

Date Code Title Description
V4 Discontinued because of reaching the maximum lifetime of a patent