FR2436193A1 - Procede pour le nettoyage d'une surface d'alliage a base de cuivre ayant une couche superficielle d'oxyde metallique formee par voie thermique - Google Patents

Procede pour le nettoyage d'une surface d'alliage a base de cuivre ayant une couche superficielle d'oxyde metallique formee par voie thermique

Info

Publication number
FR2436193A1
FR2436193A1 FR7921946A FR7921946A FR2436193A1 FR 2436193 A1 FR2436193 A1 FR 2436193A1 FR 7921946 A FR7921946 A FR 7921946A FR 7921946 A FR7921946 A FR 7921946A FR 2436193 A1 FR2436193 A1 FR 2436193A1
Authority
FR
France
Prior art keywords
copper
cleaning
metal oxide
based alloy
surface layer
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7921946A
Other languages
English (en)
Other versions
FR2436193B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olin Corp
Original Assignee
Olin 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 Olin Corp filed Critical Olin Corp
Publication of FR2436193A1 publication Critical patent/FR2436193A1/fr
Application granted granted Critical
Publication of FR2436193B1 publication Critical patent/FR2436193B1/fr
Granted legal-status Critical Current

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
    • 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

Landscapes

  • 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)
  • Chemical Treatment Of Metals (AREA)

Abstract

L'invention concerne un procédé pour le nettoyage de la surface d'un alliage à base de cuivre comportant une couche superficielle d'oxyde métallique formée par voie thermique Selon l'invention, on plonge ladite surface dans une solution aqueuse alcaline ayant un pH de 11 à 14 et une température comprise entre environ 40 degrés C et son point d'ébullition pendant une durée de 2 secondes à pas plus de 10 minutes, et ensuite on plonge ladite surface dans une solution aqueuse de sulfate ferrique 0,5 à 3 N. à une température de 25 à 95 degrés C pendant une durée de 2 secondes à pas plus de 5 minutes.
FR7921946A 1978-09-13 1979-08-31 Procede pour le nettoyage d'une surface d'alliage a base de cuivre ayant une couche superficielle d'oxyde metallique formee par voie thermique Granted FR2436193A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94189078A 1978-09-13 1978-09-13

Publications (2)

Publication Number Publication Date
FR2436193A1 true FR2436193A1 (fr) 1980-04-11
FR2436193B1 FR2436193B1 (fr) 1983-11-04

Family

ID=25477230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7921946A Granted FR2436193A1 (fr) 1978-09-13 1979-08-31 Procede pour le nettoyage d'une surface d'alliage a base de cuivre ayant une couche superficielle d'oxyde metallique formee par voie thermique

Country Status (10)

Country Link
JP (1) JPS5538994A (fr)
AU (1) AU524836B2 (fr)
CA (1) CA1117853A (fr)
DE (1) DE2935138A1 (fr)
FR (1) FR2436193A1 (fr)
GB (1) GB2031468B (fr)
HK (1) HK53383A (fr)
IT (1) IT1162479B (fr)
MY (1) MY8400310A (fr)
SE (1) SE7907027L (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588634A (en) * 1983-08-05 1986-05-13 The Flintkote Company Coating formulation for inorganic fiber mat based bituminous roofing shingles
US4600443A (en) * 1984-10-01 1986-07-15 Kennecott Corporation Process for removing surface oxides from a copper-base alloy
GB2220005A (en) * 1988-06-28 1989-12-28 Borsodi Vegyi Komb Process for removing oxide layer and scale from metals and metal alloys
JPH05279573A (ja) * 1992-04-02 1993-10-26 Itsuo Ichikawa 道路舗装材の製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2318559A (en) * 1941-04-30 1943-05-04 Monsanto Chemicals Material for and process of pickling copper or its alloys
FR2027786A1 (fr) * 1969-01-06 1970-10-02 Olin Corp
FR2040081A5 (en) * 1969-03-28 1971-01-15 Miles Lab Metal cleaning compositions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2318559A (en) * 1941-04-30 1943-05-04 Monsanto Chemicals Material for and process of pickling copper or its alloys
FR2027786A1 (fr) * 1969-01-06 1970-10-02 Olin Corp
US3646946A (en) * 1969-01-06 1972-03-07 Olin Mathieson Copper alloy cleaning process
FR2040081A5 (en) * 1969-03-28 1971-01-15 Miles Lab Metal cleaning compositions

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/64 *

Also Published As

Publication number Publication date
CA1117853A (fr) 1982-02-09
IT1162479B (it) 1987-04-01
AU524836B2 (en) 1982-10-07
JPS5538994A (en) 1980-03-18
IT7950176A0 (it) 1979-09-05
GB2031468B (en) 1982-09-08
DE2935138A1 (de) 1980-03-27
HK53383A (en) 1983-11-18
FR2436193B1 (fr) 1983-11-04
SE7907027L (sv) 1980-03-14
MY8400310A (en) 1984-12-31
GB2031468A (en) 1980-04-23
AU5017679A (en) 1980-03-20

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Legal Events

Date Code Title Description
ST Notification of lapse