IT1040265B - Eliminazione di rivestimenti ricchi in alluminio da leghe termo resistenti - Google Patents
Eliminazione di rivestimenti ricchi in alluminio da leghe termo resistentiInfo
- Publication number
- IT1040265B IT1040265B IT2589775A IT2589775A IT1040265B IT 1040265 B IT1040265 B IT 1040265B IT 2589775 A IT2589775 A IT 2589775A IT 2589775 A IT2589775 A IT 2589775A IT 1040265 B IT1040265 B IT 1040265B
- Authority
- IT
- Italy
- Prior art keywords
- diffusion coating
- soln
- substrates
- removal
- component
- Prior art date
Links
- 239000011248 coating agent Substances 0.000 title abstract 4
- 238000000576 coating method Methods 0.000 title abstract 4
- 238000009792 diffusion process Methods 0.000 title abstract 4
- 239000000758 substrate Substances 0.000 title abstract 3
- 239000002253 acid Substances 0.000 title 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title 1
- 229910052782 aluminium Inorganic materials 0.000 title 1
- 239000004411 aluminium Substances 0.000 title 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 4
- 235000011149 sulphuric acid Nutrition 0.000 abstract 4
- 239000001117 sulphuric acid Substances 0.000 abstract 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 3
- 229910017604 nitric acid Inorganic materials 0.000 abstract 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 238000007598 dipping method Methods 0.000 abstract 1
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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/44—Compositions for etching metallic material from a metallic material substrate of different composition
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)
- ing And Chemical Polishing (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB34760/74A GB1498423A (en) | 1975-08-07 | 1975-08-07 | Removal of aluminium-rich coatings from heat resisting alloys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1040265B true IT1040265B (it) | 1979-12-20 |
Family
ID=10369633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2589775A IT1040265B (it) | 1975-08-07 | 1975-07-29 | Eliminazione di rivestimenti ricchi in alluminio da leghe termo resistenti |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4032359A (it) |
| JP (1) | JPS5141641A (it) |
| DE (1) | DE2534584A1 (it) |
| FR (1) | FR2281439A1 (it) |
| GB (1) | GB1498423A (it) |
| IT (1) | IT1040265B (it) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1521783A (en) * | 1976-04-27 | 1978-08-16 | Rolls Royce | Method of and mixture for alloy coating removal |
| DE2757673C3 (de) | 1977-12-23 | 1982-05-13 | Schott Glaswerke, 6500 Mainz | Glaskapillarmembranen zur Diafiltration von Blut |
| US4282041A (en) * | 1978-12-05 | 1981-08-04 | Rolls-Royce Limited | Method for removing aluminide coatings from nickel or cobalt base alloys |
| US4327134A (en) * | 1979-11-29 | 1982-04-27 | Alloy Surfaces Company, Inc. | Stripping of diffusion treated metals |
| GB2066386B (en) * | 1979-12-26 | 1983-10-12 | Gen Electric | Filler removal method |
| US4339282A (en) * | 1981-06-03 | 1982-07-13 | United Technologies Corporation | Method and composition for removing aluminide coatings from nickel superalloys |
| US4425185A (en) | 1982-03-18 | 1984-01-10 | United Technologies Corporation | Method and composition for removing nickel aluminide coatings from nickel superalloys |
| JPS61106783A (ja) * | 1984-10-30 | 1986-05-24 | Nippon Paint Co Ltd | アルミニウム表面洗浄剤 |
| GB2220005A (en) * | 1988-06-28 | 1989-12-28 | Borsodi Vegyi Komb | Process for removing oxide layer and scale from metals and metal alloys |
| US4883541A (en) * | 1989-01-17 | 1989-11-28 | Martin Marietta Corporation | Nonchromate deoxidizer for aluminum alloys |
| CA2034370A1 (en) * | 1990-03-30 | 1991-10-01 | Peter W. Mueller | Process for identification evaluation and removal of microshrinkage |
| US5614054A (en) * | 1994-12-22 | 1997-03-25 | General Electric Company | Process for removing a thermal barrier coating |
| DE19549103A1 (de) * | 1995-12-29 | 1997-07-03 | Agfa Gevaert Ag | Bleichbad für fotografisches Schwarz-Weiß-Material |
| US5851409A (en) * | 1996-12-24 | 1998-12-22 | General Electric Company | Method for removing an environmental coating |
| US5944909A (en) * | 1998-02-02 | 1999-08-31 | General Electric Company | Method for chemically stripping a cobalt-base substrate |
| US6494960B1 (en) * | 1998-04-27 | 2002-12-17 | General Electric Company | Method for removing an aluminide coating from a substrate |
| GB9814075D0 (en) * | 1998-06-29 | 1998-08-26 | Ge Aircraft Engine Services Li | Method of stripping a coating from an aircraft engine part |
| US6355116B1 (en) * | 2000-03-24 | 2002-03-12 | General Electric Company | Method for renewing diffusion coatings on superalloy substrates |
| US6605364B1 (en) | 2000-07-18 | 2003-08-12 | General Electric Company | Coating article and method for repairing a coated surface |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3425881A (en) * | 1965-06-28 | 1969-02-04 | Samuel L Cohn | Chemical polishing of aluminum and aluminum alloys |
| US3565771A (en) * | 1967-10-16 | 1971-02-23 | Shipley Co | Etching and metal plating silicon containing aluminum alloys |
| US3859149A (en) * | 1971-09-21 | 1975-01-07 | Rolls Royce 1971 Ltd | Method for etching aluminium alloys |
-
1975
- 1975-07-29 IT IT2589775A patent/IT1040265B/it active
- 1975-08-02 DE DE19752534584 patent/DE2534584A1/de active Pending
- 1975-08-04 US US05/601,930 patent/US4032359A/en not_active Expired - Lifetime
- 1975-08-05 FR FR7524400A patent/FR2281439A1/fr active Granted
- 1975-08-06 JP JP50095732A patent/JPS5141641A/ja active Granted
- 1975-08-07 GB GB34760/74A patent/GB1498423A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1498423A (en) | 1978-01-18 |
| FR2281439B1 (it) | 1979-05-11 |
| US4032359A (en) | 1977-06-28 |
| FR2281439A1 (fr) | 1976-03-05 |
| JPS5430648B2 (it) | 1979-10-02 |
| JPS5141641A (en) | 1976-04-08 |
| DE2534584A1 (de) | 1976-02-26 |
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