CA1294856C - Bain de decapage chimique pour pieces en alliage resistant a chaud - Google Patents
Bain de decapage chimique pour pieces en alliage resistant a chaudInfo
- Publication number
- CA1294856C CA1294856C CA000474427A CA474427A CA1294856C CA 1294856 C CA1294856 C CA 1294856C CA 000474427 A CA000474427 A CA 000474427A CA 474427 A CA474427 A CA 474427A CA 1294856 C CA1294856 C CA 1294856C
- Authority
- CA
- Canada
- Prior art keywords
- acid
- pickling
- water
- bath
- composition
- 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 - Lifetime
Links
- 239000000956 alloy Substances 0.000 title claims abstract description 19
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 19
- 238000003486 chemical etching Methods 0.000 title 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 44
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 33
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 31
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000005554 pickling Methods 0.000 claims abstract description 19
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 16
- 239000000126 substance Substances 0.000 claims abstract description 15
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 12
- 239000011733 molybdenum Substances 0.000 claims abstract description 12
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract 14
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract 14
- 150000003839 salts Chemical class 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 16
- 239000002253 acid Substances 0.000 claims description 14
- 238000007654 immersion Methods 0.000 claims description 13
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 8
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 7
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 7
- 238000011282 treatment Methods 0.000 claims description 5
- 238000005238 degreasing Methods 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 3
- 238000004061 bleaching Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims 6
- 239000000843 powder Substances 0.000 claims 2
- 230000002378 acidificating effect Effects 0.000 claims 1
- 239000012736 aqueous medium Substances 0.000 claims 1
- 239000000470 constituent Substances 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 description 11
- 238000004090 dissolution Methods 0.000 description 8
- 239000010410 layer Substances 0.000 description 6
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 6
- 230000003750 conditioning effect Effects 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000005488 sandblasting Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 241001674048 Phthiraptera Species 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241000207894 Convolvulus arvensis Species 0.000 description 1
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910001235 nimonic Inorganic materials 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229940085991 phosphate ion Drugs 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 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
- 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
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/088—Iron or steel solutions containing organic acids
-
- 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
-
- 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
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/10—Other heavy metals
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8404169A FR2560893B1 (fr) | 1984-03-09 | 1984-03-09 | Bain de decapage chimique pour pieces en alliage resistant a chaud |
| FR84.04169 | 1984-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1294856C true CA1294856C (fr) | 1992-01-28 |
Family
ID=9302147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000474427A Expired - Lifetime CA1294856C (fr) | 1984-03-09 | 1985-02-15 | Bain de decapage chimique pour pieces en alliage resistant a chaud |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4707191A (OSRAM) |
| EP (1) | EP0159221B1 (OSRAM) |
| JP (1) | JPS616287A (OSRAM) |
| CA (1) | CA1294856C (OSRAM) |
| DE (1) | DE3572369D1 (OSRAM) |
| FR (1) | FR2560893B1 (OSRAM) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5154774A (en) * | 1985-09-19 | 1992-10-13 | Ugine Aciers De Chatillon Et Gueugnon | Process for acid pickling of stainless steel products |
| US4830675A (en) * | 1986-06-09 | 1989-05-16 | Skolnik Industries, Inc. | Process of koshering containers |
| US4850378A (en) * | 1987-10-14 | 1989-07-25 | Nelson Steel | Steel pickling apparatus |
| US4906301A (en) * | 1987-12-08 | 1990-03-06 | Skolnik Industries, Inc. | Process of koshering containers |
| US4956022A (en) * | 1988-01-15 | 1990-09-11 | International Business Machines Corporation | Chemical polishing of aluminum alloys |
| JPH0273983A (ja) * | 1988-09-07 | 1990-03-13 | Nippon Parkerizing Co Ltd | アルミニウム用酸性洗浄液 |
| JP2576667B2 (ja) * | 1990-06-06 | 1997-01-29 | 三菱電機株式会社 | 無電解ニッケル膜へのめっきの下地調整方法 |
| JP2593577B2 (ja) * | 1990-08-31 | 1997-03-26 | 株式会社東芝 | コンバインドサイクル発電プラントの運転制御方法およびその運転制御装置 |
| US5232619A (en) * | 1990-10-19 | 1993-08-03 | Praxair S.T. Technology, Inc. | Stripping solution for stripping compounds of titanium from base metals |
| FR2673200A1 (fr) * | 1991-02-25 | 1992-08-28 | Ugine Aciers | Procede de surdecapage de materiaux en acier tels que les aciers inoxydables et les aciers allies. |
| US5938855A (en) * | 1998-01-20 | 1999-08-17 | General Electric Company | Method for cleaning a turbine component |
| US6174380B1 (en) * | 1998-12-22 | 2001-01-16 | General Electric Company | Method of removing hot corrosion products from a diffusion aluminide coating |
| JP4334709B2 (ja) * | 1999-12-01 | 2009-09-30 | 日本ペイント株式会社 | 熱交換器の化成皮膜用酸性洗浄剤、熱交換器の酸洗方法、熱交換器の処理方法および熱交換器 |
| JP4394445B2 (ja) * | 2001-11-05 | 2010-01-06 | 日本碍子株式会社 | ハニカム構造体成形用口金、及びその製造方法 |
| EP1411149A1 (de) * | 2002-10-18 | 2004-04-21 | Siemens Aktiengesellschaft | Verfahren zum Entfernen eines Schichtbereichs eines Bauteils |
| ATE453739T1 (de) * | 2004-01-29 | 2010-01-15 | Oerlikon Trading Ag | Entschichtungsverfahren |
| CH705281B1 (de) * | 2004-01-29 | 2013-01-31 | Oerlikon Trading Ag | Entschichtungsverfahren. |
| US7077918B2 (en) | 2004-01-29 | 2006-07-18 | Unaxis Balzers Ltd. | Stripping apparatus and method for removal of coatings on metal surfaces |
| US20070125459A1 (en) * | 2005-12-07 | 2007-06-07 | General Electric Company | Oxide cleaning and coating of metallic components |
| JP4931150B2 (ja) * | 2007-06-05 | 2012-05-16 | 有限会社小野製作所 | 電気コネクタの雌形電気コンタクト製造方法及び電気コネクタの雌形電気コンタクト |
| SG165202A1 (en) * | 2009-03-25 | 2010-10-28 | United Technologies Corp | Method and apparatus for cleaning a component using microwave radiation |
| CN105755481A (zh) * | 2016-05-20 | 2016-07-13 | 黄洪飞 | 一种金属除锈防锈剂 |
| US10316414B2 (en) * | 2016-06-08 | 2019-06-11 | United Technologies Corporation | Removing material with nitric acid and hydrogen peroxide solution |
| US10377968B2 (en) * | 2017-06-12 | 2019-08-13 | General Electric Company | Cleaning compositions and methods for removing oxides from superalloy substrates |
| US10830093B2 (en) * | 2017-06-13 | 2020-11-10 | General Electric Company | System and methods for selective cleaning of turbine engine components |
| FR3116066B1 (fr) * | 2020-11-09 | 2023-06-09 | Institut De Recherche Tech Materiaux Metallurgie Procedes | Solution de désanodisation et procédé utilisant une telle solution |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1939241A (en) * | 1933-03-08 | 1933-12-12 | Merrimac Chemical Co | Pickling stainless steel |
| BE460366A (OSRAM) * | 1945-02-23 | |||
| US2662814A (en) * | 1949-08-27 | 1953-12-15 | Diversey Corp | Method and composition for chemically polishing metals |
| US2890944A (en) * | 1956-05-25 | 1959-06-16 | North American Aviation Inc | Continuous chemical milling process |
| US2940838A (en) * | 1957-08-19 | 1960-06-14 | Boeing Co | Chemical milling |
| US2913360A (en) * | 1958-03-20 | 1959-11-17 | Allegheny Ludlum Steel | Method of descaling nickel alloys |
| NL252277A (OSRAM) * | 1959-06-04 | |||
| US3011923A (en) * | 1960-02-19 | 1961-12-05 | Charles O Coffer | Surface treatment of molybdenum metal |
| FR1292467A (fr) * | 1960-05-27 | 1962-05-04 | Gen Electric | Procédé de nettoyage chimique des articles métalliques |
| US3197341A (en) * | 1961-06-19 | 1965-07-27 | Rohr Corp | Method and composition for descaling stainless steels and related alloys |
| US3253968A (en) * | 1961-10-03 | 1966-05-31 | North American Aviation Inc | Etching composition and process |
| US3460989A (en) * | 1964-09-02 | 1969-08-12 | John H Rusch | Method of treating ferrous metal surfaces |
| NL6606730A (OSRAM) * | 1965-05-17 | 1966-11-18 | ||
| US3467599A (en) * | 1966-08-08 | 1969-09-16 | Philco Ford Corp | Etching solution |
| US3544356A (en) * | 1967-11-01 | 1970-12-01 | Bell Telephone Labor Inc | Process for the surface treatment of aluminum and its alloys |
| SU566866A1 (ru) * | 1976-02-13 | 1977-07-30 | Предприятие П/Я Х-5737 | Раствор дл травлени алюмини |
| FR2400069A1 (fr) * | 1977-08-12 | 1979-03-09 | Voest Ag | Procede de nettoyage de surfaces austenitiques de materiaux, en particulier pour l'elimination des impuretes ferritiques |
| JPS5624719A (en) * | 1979-08-01 | 1981-03-09 | Nissin Electric Co Ltd | Actuator for breaker |
| US4425185A (en) * | 1982-03-18 | 1984-01-10 | United Technologies Corporation | Method and composition for removing nickel aluminide coatings from nickel superalloys |
-
1984
- 1984-03-09 FR FR8404169A patent/FR2560893B1/fr not_active Expired
-
1985
- 1985-02-15 CA CA000474427A patent/CA1294856C/fr not_active Expired - Lifetime
- 1985-02-27 JP JP60038626A patent/JPS616287A/ja active Granted
- 1985-03-06 DE DE8585400428T patent/DE3572369D1/de not_active Expired
- 1985-03-06 EP EP85400428A patent/EP0159221B1/fr not_active Expired
-
1987
- 1987-01-29 US US07/009,096 patent/US4707191A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0524997B2 (OSRAM) | 1993-04-09 |
| US4707191A (en) | 1987-11-17 |
| EP0159221A1 (fr) | 1985-10-23 |
| DE3572369D1 (en) | 1989-09-21 |
| FR2560893A1 (fr) | 1985-09-13 |
| JPS616287A (ja) | 1986-01-11 |
| EP0159221B1 (fr) | 1989-08-16 |
| FR2560893B1 (fr) | 1986-09-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1294856C (fr) | Bain de decapage chimique pour pieces en alliage resistant a chaud | |
| US4425185A (en) | Method and composition for removing nickel aluminide coatings from nickel superalloys | |
| JP4870254B2 (ja) | 基体からアルミニドコーティングを除去する方法 | |
| EP1314797B1 (en) | Chemical removal of a chromium oxide coating from an article | |
| US4339282A (en) | Method and composition for removing aluminide coatings from nickel superalloys | |
| CA2114413C (en) | Refurbishing of corroded superalloy or heat resistant steel parts and parts so refurbished | |
| JP4681733B2 (ja) | 基材から断熱被膜を除去する方法 | |
| US3607398A (en) | Chemical stripping process | |
| US6174380B1 (en) | Method of removing hot corrosion products from a diffusion aluminide coating | |
| US6158957A (en) | Thermal barrier removal process | |
| JPH0141710B2 (OSRAM) | ||
| JP2007186786A (ja) | 金属構成部品の酸化物洗浄及び被覆 | |
| US20050035086A1 (en) | Upgrading aluminide coating on used turbine engine component | |
| US20060231123A1 (en) | Method for removing a layer area of a component | |
| US6475289B2 (en) | Cleaning of internal passages of airfoils | |
| GB2257395A (en) | Etching solution for removing metallic hot gas corrosion protective layers and hot gas reaction coatings from engine blades | |
| JPH11131206A (ja) | 溶射コーティング用粉末材料及びそれを用いた高温部材 | |
| RU2200211C2 (ru) | Способ удаления покрытий с деталей из жаростойких сплавов | |
| JP2713114B2 (ja) | 亜鉛系めっき浴浸漬ロールの使用方法 | |
| RU1784661C (ru) | Состав дл химической обработки никелевых сплавов | |
| MXPA99012031A (en) | Method of removing hot corrosion products from a diffusion aluminide coating | |
| FR2612947A1 (fr) | Procede de tra itement chimique de surface d'un produit alumineux en vue de sa phosphatation | |
| JPH01501071A (ja) | 酸化し易い金属の機械的メツキ | |
| IES980638A2 (en) | Method of cleaning metal components | |
| BE822327A (fr) | Revetement anti-corrosion pour des articles en metal ferreux ayant des joints brases et son procede de formation. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed | ||
| MKEC | Expiry (correction) |
Effective date: 20121205 |