WO1999064646A1 - Verfahren zum entschichten von hartstoffschichten - Google Patents
Verfahren zum entschichten von hartstoffschichten Download PDFInfo
- Publication number
- WO1999064646A1 WO1999064646A1 PCT/CH1999/000234 CH9900234W WO9964646A1 WO 1999064646 A1 WO1999064646 A1 WO 1999064646A1 CH 9900234 W CH9900234 W CH 9900234W WO 9964646 A1 WO9964646 A1 WO 9964646A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hard material
- layer
- material layer
- weight
- solution
- Prior art date
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
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/19—Iron or steel
-
- 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
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/20—Other heavy metals
-
- 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
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
Definitions
- the present invention relates to a method for stripping hard material layers, other than TiN, from hard metal substrates.
- a hard material layer means a layer made of an oxide, nitride, carbide, carbonitride or carbooxynitride of at least one element from groups 4, 5, 6, 13, 14 according to the "New Notation from IUPAC", for example according to the "CRC Handbook of Chemistry and Physics ", CRC Press, 77th Edition," Periodic
- hard material layers which are a layer of the type
- X at least one element from group N, C, 0
- the thickness of the intermediate layer is chosen to be significantly smaller than that of the functional hard material layer.
- the intermediate layer thickness d z is preferably selected as follows:
- the elements comprise E x - with 1 ⁇ x ⁇ n - Al and / or Si and / or Cr and / or boron.
- the hard material layer is a CrC, CrN, CrCN or a WC-C layer.
- the hard material layer comprises a TiAlN and / or TiCrN layer, wherein in a very particularly preferred embodiment the hard material layer comprises a TiAlN layer, with, particularly preferably, a TiAlN layer.
- the hard material layer preferably has a layer thickness of at least 2 ⁇ m.
- a hydrogen peroxide solution is preferably used as the solution, preferably with at most 50% by weight of hydrogen peroxide, particularly preferably with at most 20% by weight of hydrogen peroxide.
- NaOH is preferably further added to this solution, preferably at most 5% by weight, particularly preferably at most 0.5% by weight.
- the solution used, apart from water comprises exclusively water peroxide, preferably with the stated% by weight, and NaOH, likewise preferably with the stated% by weight, and at least one of the substances mentioned disodium oxalate, K-Na Tartrate tetrahydrate, also preferably in the stated concentration.
- Carbide indexable inserts were coated with a layer package TiN / TiAlN.
- the TiN intermediate layer had a thickness of 0.5 ⁇ m, the total thickness of the package was 4 ⁇ m.
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)
- Chemically Coating (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59914591T DE59914591D1 (de) | 1998-06-11 | 1999-05-31 | Verfahren zum entschichten von hartstoffschichten |
JP2000553634A JP4824163B2 (ja) | 1998-06-11 | 1999-05-31 | 硬質材層を除去するための方法 |
EP99920529A EP1093534B1 (de) | 1998-06-11 | 1999-05-31 | Verfahren zum entschichten von hartstoffschichten |
US09/735,723 US6706122B2 (en) | 1998-06-11 | 2000-12-07 | Method for removing layers of hard material |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH126998 | 1998-06-11 | ||
CH1269/98 | 1998-06-11 | ||
CH1404/98 | 1998-07-01 | ||
CH140498 | 1998-07-01 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/735,723 Continuation US6706122B2 (en) | 1998-06-11 | 2000-12-07 | Method for removing layers of hard material |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999064646A1 true WO1999064646A1 (de) | 1999-12-16 |
Family
ID=25687165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH1999/000234 WO1999064646A1 (de) | 1998-06-11 | 1999-05-31 | Verfahren zum entschichten von hartstoffschichten |
Country Status (5)
Country | Link |
---|---|
US (1) | US6706122B2 (de) |
EP (1) | EP1093534B1 (de) |
JP (1) | JP4824163B2 (de) |
DE (1) | DE59914591D1 (de) |
WO (1) | WO1999064646A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7077918B2 (en) | 2004-01-29 | 2006-07-18 | Unaxis Balzers Ltd. | Stripping apparatus and method for removal of coatings on metal surfaces |
EP3626864A1 (de) | 2018-09-18 | 2020-03-25 | Hirtenberger Engineered Surfaces GmbH | Verfahren zum entfernen einer hartstoffbeschichtung |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7611588B2 (en) * | 2004-11-30 | 2009-11-03 | Ecolab Inc. | Methods and compositions for removing metal oxides |
DE102005049249B4 (de) * | 2005-10-14 | 2018-03-29 | MTU Aero Engines AG | Verfahren zur Entschichtung eines Gasturbinenbauteils |
DE102010046372A1 (de) | 2010-09-24 | 2012-03-29 | Oerlikon Trading Ag, Trübbach | Verfahren zum Entschichten von Werkstücken |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4889589A (en) * | 1986-06-26 | 1989-12-26 | United Technologies Corporation | Gaseous removal of ceramic coatings |
DE4101843C1 (en) * | 1991-01-23 | 1992-04-02 | Eifeler Werkzeuge Gmbh, 4000 Duesseldorf, De | Hard tool coating for economy - by stripping using tetra:sodium di:phosphate soln. and hydrogen peroxide |
WO1992007110A1 (en) * | 1990-10-19 | 1992-04-30 | Union Carbide Coatings Service Technology Corporation | Stripping solution and process for stripping compounds of titanium from base metals |
DE4110595C1 (en) * | 1991-04-02 | 1992-11-26 | Thyssen Edelstahlwerke Ag, 4000 Duesseldorf, De | Wet-chemical removal of hard coatings from workpiece surfaces - comprises using hydrogen peroxide soln. stabilised by complex former e.g. potassium-sodium tartrate-tetra:hydrate |
DE4339502A1 (de) * | 1993-11-24 | 1995-06-01 | Thoene Carl Stefan | Verfahren zum naßchemischen Entfernen von Hartstoffschichten von Oberflächen cobalt-, nickel- und wolframhaltiger Substrate, vornehmlich von Hartmetallsubstraten |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6320489A (ja) * | 1986-07-12 | 1988-01-28 | Tadanobu Okubo | めつきの剥離方法 |
JP2736771B2 (ja) * | 1986-10-13 | 1998-04-02 | 恭伸 秋本 | 金 型 |
JP2597931B2 (ja) * | 1991-08-19 | 1997-04-09 | 株式会社不二越 | 高速度工具鋼のチタンコーティング被膜の除去剤 |
JP2946911B2 (ja) * | 1992-02-06 | 1999-09-13 | セイコーエプソン株式会社 | 装飾部材の製造方法 |
JPH0649659A (ja) * | 1992-08-04 | 1994-02-22 | Shikoku Electric Power Co Inc | 耐環境・耐摩耗性被覆材料 |
JPH06340961A (ja) * | 1993-03-24 | 1994-12-13 | Sumitomo Metal Mining Co Ltd | 医療用部材 |
JP3460287B2 (ja) * | 1994-01-21 | 2003-10-27 | 住友電気工業株式会社 | 耐摩耗性に優れた表面被覆部材 |
US6432219B1 (en) * | 1997-11-10 | 2002-08-13 | Unakis Trading Ag | Method for separating layers from articles |
-
1999
- 1999-05-31 JP JP2000553634A patent/JP4824163B2/ja not_active Expired - Lifetime
- 1999-05-31 WO PCT/CH1999/000234 patent/WO1999064646A1/de active IP Right Grant
- 1999-05-31 DE DE59914591T patent/DE59914591D1/de not_active Expired - Lifetime
- 1999-05-31 EP EP99920529A patent/EP1093534B1/de not_active Expired - Lifetime
-
2000
- 2000-12-07 US US09/735,723 patent/US6706122B2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4889589A (en) * | 1986-06-26 | 1989-12-26 | United Technologies Corporation | Gaseous removal of ceramic coatings |
WO1992007110A1 (en) * | 1990-10-19 | 1992-04-30 | Union Carbide Coatings Service Technology Corporation | Stripping solution and process for stripping compounds of titanium from base metals |
DE4101843C1 (en) * | 1991-01-23 | 1992-04-02 | Eifeler Werkzeuge Gmbh, 4000 Duesseldorf, De | Hard tool coating for economy - by stripping using tetra:sodium di:phosphate soln. and hydrogen peroxide |
DE4110595C1 (en) * | 1991-04-02 | 1992-11-26 | Thyssen Edelstahlwerke Ag, 4000 Duesseldorf, De | Wet-chemical removal of hard coatings from workpiece surfaces - comprises using hydrogen peroxide soln. stabilised by complex former e.g. potassium-sodium tartrate-tetra:hydrate |
DE4339502A1 (de) * | 1993-11-24 | 1995-06-01 | Thoene Carl Stefan | Verfahren zum naßchemischen Entfernen von Hartstoffschichten von Oberflächen cobalt-, nickel- und wolframhaltiger Substrate, vornehmlich von Hartmetallsubstraten |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7077918B2 (en) | 2004-01-29 | 2006-07-18 | Unaxis Balzers Ltd. | Stripping apparatus and method for removal of coatings on metal surfaces |
EP3626864A1 (de) | 2018-09-18 | 2020-03-25 | Hirtenberger Engineered Surfaces GmbH | Verfahren zum entfernen einer hartstoffbeschichtung |
WO2020058336A1 (de) | 2018-09-18 | 2020-03-26 | Hirtenberger Engineered Surfaces Gmbh | Verfahren zum entfernen einer hartstoffbeschichtung |
Also Published As
Publication number | Publication date |
---|---|
DE59914591D1 (de) | 2008-02-07 |
US20010013356A1 (en) | 2001-08-16 |
US6706122B2 (en) | 2004-03-16 |
EP1093534B1 (de) | 2007-12-26 |
JP2002517615A (ja) | 2002-06-18 |
JP4824163B2 (ja) | 2011-11-30 |
EP1093534A1 (de) | 2001-04-25 |
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