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 thermiqueInfo
- 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
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.
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)
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)
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 |
-
1979
- 1979-08-21 CA CA000334174A patent/CA1117853A/fr not_active Expired
- 1979-08-22 SE SE7907027A patent/SE7907027L/ not_active Application Discontinuation
- 1979-08-22 AU AU50176/79A patent/AU524836B2/en not_active Ceased
- 1979-08-23 GB GB7929337A patent/GB2031468B/en not_active Expired
- 1979-08-30 DE DE19792935138 patent/DE2935138A1/de not_active Withdrawn
- 1979-08-31 FR FR7921946A patent/FR2436193A1/fr active Granted
- 1979-09-04 JP JP11247279A patent/JPS5538994A/ja active Pending
- 1979-09-05 IT IT50176/79A patent/IT1162479B/it active
-
1983
- 1983-11-10 HK HK533/83A patent/HK53383A/xx unknown
-
1984
- 1984-12-30 MY MY310/84A patent/MY8400310A/xx unknown
Patent Citations (4)
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)
Title |
---|
EXBK/64 * |
Also Published As
Publication number | Publication date |
---|---|
FR2436193B1 (fr) | 1983-11-04 |
IT1162479B (it) | 1987-04-01 |
GB2031468A (en) | 1980-04-23 |
GB2031468B (en) | 1982-09-08 |
HK53383A (en) | 1983-11-18 |
AU5017679A (en) | 1980-03-20 |
AU524836B2 (en) | 1982-10-07 |
DE2935138A1 (de) | 1980-03-27 |
SE7907027L (sv) | 1980-03-14 |
JPS5538994A (en) | 1980-03-18 |
CA1117853A (fr) | 1982-02-09 |
IT7950176A0 (it) | 1979-09-05 |
MY8400310A (en) | 1984-12-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |