DE3414383C2 - Verfahren zum chemischen Abtragen von Aluminiumdiffusionsschichten - Google Patents
Verfahren zum chemischen Abtragen von AluminiumdiffusionsschichtenInfo
- Publication number
- DE3414383C2 DE3414383C2 DE3414383A DE3414383A DE3414383C2 DE 3414383 C2 DE3414383 C2 DE 3414383C2 DE 3414383 A DE3414383 A DE 3414383A DE 3414383 A DE3414383 A DE 3414383A DE 3414383 C2 DE3414383 C2 DE 3414383C2
- Authority
- DE
- Germany
- Prior art keywords
- diffusion layers
- removal
- aluminum
- chemical removal
- aluminum diffusion
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract 17
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract 9
- 238000009792 diffusion process Methods 0.000 title claims abstract 9
- 239000000126 substance Substances 0.000 title claims abstract 7
- HWTDMFJYBAURQR-UHFFFAOYSA-N 80-82-0 Chemical compound OS(=O)(=O)C1=CC=CC=C1[N+]([O-])=O HWTDMFJYBAURQR-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000007864 aqueous solution Substances 0.000 claims abstract 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 12
- 238000011282 treatment Methods 0.000 claims 6
- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 claims 4
- 239000000463 material Substances 0.000 claims 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 2
- 229910052708 sodium Inorganic materials 0.000 claims 2
- 239000011734 sodium Substances 0.000 claims 2
- 229910000838 Al alloy Inorganic materials 0.000 claims 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 239000000654 additive Substances 0.000 claims 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 1
- 238000005266 casting Methods 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000000470 constituent Substances 0.000 claims 1
- PYRZPBDTPRQYKG-UHFFFAOYSA-N cyclopentene-1-carboxylic acid Chemical compound OC(=O)C1=CCCC1 PYRZPBDTPRQYKG-UHFFFAOYSA-N 0.000 claims 1
- 238000005530 etching Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 238000007654 immersion Methods 0.000 claims 1
- 239000004615 ingredient Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 229910017604 nitric acid Inorganic materials 0.000 claims 1
- 150000002825 nitriles Chemical class 0.000 claims 1
- 150000002828 nitro derivatives Chemical class 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
- 229910000601 superalloy Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 150000003388 sodium compounds Chemical class 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)
- Structures Of Non-Positive Displacement Pumps (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3414383A DE3414383C2 (de) | 1984-04-16 | 1984-04-16 | Verfahren zum chemischen Abtragen von Aluminiumdiffusionsschichten |
| US06/691,481 US4619707A (en) | 1984-04-16 | 1985-01-14 | Method for chemically removing aluminum diffusion layers |
| JP60003390A JPS60224792A (ja) | 1984-04-16 | 1985-01-14 | 加工材料上のアルミニウム分散層を化学的に除去する方法 |
| EP85100926A EP0161387A3 (de) | 1984-04-16 | 1985-01-30 | Verfahren zum chemischen Abtragen von Aluminiumdiffusionsschichten und Verwendung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3414383A DE3414383C2 (de) | 1984-04-16 | 1984-04-16 | Verfahren zum chemischen Abtragen von Aluminiumdiffusionsschichten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3414383A1 DE3414383A1 (de) | 1985-10-17 |
| DE3414383C2 true DE3414383C2 (de) | 1986-09-04 |
Family
ID=6233749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3414383A Expired DE3414383C2 (de) | 1984-04-16 | 1984-04-16 | Verfahren zum chemischen Abtragen von Aluminiumdiffusionsschichten |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4619707A (https=) |
| EP (1) | EP0161387A3 (https=) |
| JP (1) | JPS60224792A (https=) |
| DE (1) | DE3414383C2 (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01184282A (ja) * | 1988-01-14 | 1989-07-21 | Nishiyama Stainless Chem Kk | マスキング剤 |
| US5232619A (en) * | 1990-10-19 | 1993-08-03 | Praxair S.T. Technology, Inc. | Stripping solution for stripping compounds of titanium from base metals |
| DE4113283C2 (de) * | 1991-04-24 | 1994-05-05 | Kernforschungsz Karlsruhe | Verwendung einer Ätzlösung zum selektiven Abätzen einer metallischen Opferschicht bei der Herstellung von Mikrostrukturen |
| US6042879A (en) * | 1997-07-02 | 2000-03-28 | United Technologies Corporation | Method for preparing an apertured article to be recoated |
| US6494960B1 (en) * | 1998-04-27 | 2002-12-17 | General Electric Company | Method for removing an aluminide coating from a substrate |
| US6305077B1 (en) * | 1999-11-18 | 2001-10-23 | General Electric Company | Repair of coated turbine components |
| US10125425B2 (en) | 2013-07-01 | 2018-11-13 | General Electric Company | Method for smut removal during stripping of coating |
| KR101539010B1 (ko) * | 2013-12-27 | 2015-07-24 | 한국원자력연구원 | 초내열합금의 에칭 방법 및 이에 따라 에칭된 초내열합금 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2649361A (en) * | 1949-05-13 | 1953-08-18 | Enthone | Method of dissolving metals and compostion therefor |
| US3095380A (en) * | 1958-07-14 | 1963-06-25 | Purex Corp Ltd | Composition for removal of heat scale and carbon deposits |
| US3356550A (en) * | 1964-03-16 | 1967-12-05 | Boeing Co | Chemical milling of aluminum alloys |
| US3300349A (en) * | 1964-04-15 | 1967-01-24 | Boeing Co | Chemical milling process and related solutions for aluminum |
| US3833414A (en) * | 1972-09-05 | 1974-09-03 | Gen Electric | Aluminide coating removal method |
| US4282041A (en) * | 1978-12-05 | 1981-08-04 | Rolls-Royce Limited | Method for removing aluminide coatings from nickel or cobalt base alloys |
-
1984
- 1984-04-16 DE DE3414383A patent/DE3414383C2/de not_active Expired
-
1985
- 1985-01-14 US US06/691,481 patent/US4619707A/en not_active Expired - Fee Related
- 1985-01-14 JP JP60003390A patent/JPS60224792A/ja active Granted
- 1985-01-30 EP EP85100926A patent/EP0161387A3/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE3414383A1 (de) | 1985-10-17 |
| EP0161387A2 (de) | 1985-11-21 |
| US4619707A (en) | 1986-10-28 |
| JPS60224792A (ja) | 1985-11-09 |
| EP0161387A3 (de) | 1987-05-27 |
| JPS6345462B2 (https=) | 1988-09-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |