EP1970473A3 - Electropolishing method for titanium - Google Patents

Electropolishing method for titanium Download PDF

Info

Publication number
EP1970473A3
EP1970473A3 EP08003975A EP08003975A EP1970473A3 EP 1970473 A3 EP1970473 A3 EP 1970473A3 EP 08003975 A EP08003975 A EP 08003975A EP 08003975 A EP08003975 A EP 08003975A EP 1970473 A3 EP1970473 A3 EP 1970473A3
Authority
EP
European Patent Office
Prior art keywords
titanium
electropolishing method
electropolishing
sulfonic acid
methane sulfonic
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
Application number
EP08003975A
Other languages
German (de)
French (fr)
Other versions
EP1970473B1 (en
EP1970473A2 (en
Inventor
Olaf BÖHME
Siegfried Pießlinger-Schweiger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Poligrat GmbH
Original Assignee
Poligrat GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Poligrat GmbH filed Critical Poligrat GmbH
Publication of EP1970473A2 publication Critical patent/EP1970473A2/en
Publication of EP1970473A3 publication Critical patent/EP1970473A3/en
Application granted granted Critical
Publication of EP1970473B1 publication Critical patent/EP1970473B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/16—Polishing
    • C25F3/22—Polishing of heavy metals
    • C25F3/26—Polishing of heavy metals of refractory metals

Abstract

Method for electropolishing and/or electrochemical deburring of surfaces made from titanium or titanium-containing alloys comprises using an electrolyte made from methane sulfonic acid or one or more alkane diphosphonic acids.
EP08003975A 2007-03-09 2008-03-04 Electropolishing method for titanium Active EP1970473B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007011632A DE102007011632B3 (en) 2007-03-09 2007-03-09 Method for electropolishing and/or electrochemical deburring of surfaces made from titanium or titanium-containing alloys comprises using an electrolyte made from methane sulfonic acid or one or more alkane diphosphonic acids

Publications (3)

Publication Number Publication Date
EP1970473A2 EP1970473A2 (en) 2008-09-17
EP1970473A3 true EP1970473A3 (en) 2010-08-25
EP1970473B1 EP1970473B1 (en) 2011-08-31

Family

ID=39365667

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08003975A Active EP1970473B1 (en) 2007-03-09 2008-03-04 Electropolishing method for titanium

Country Status (6)

Country Link
US (1) US20080217186A1 (en)
EP (1) EP1970473B1 (en)
JP (1) JP5145083B2 (en)
AT (1) ATE522642T1 (en)
DE (1) DE102007011632B3 (en)
ES (1) ES2369942T3 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SI2504469T1 (en) * 2009-11-23 2018-11-30 Metcon, Llc Electropolishing methods
US8580103B2 (en) 2010-11-22 2013-11-12 Metcon, Llc Electrolyte solution and electrochemical surface modification methods
WO2014087414A1 (en) 2012-12-03 2014-06-12 Amrita Vishwa Vidya Peetham University Metallic titanium -based cardiovascular stent with nano - structured surface and method of manufacturing thereof
EP2878713A1 (en) * 2013-11-28 2015-06-03 Abbott Laboratories Vascular Enterprises Limited Electrolyte composition and method for the electropolishing treatment of Nickel-Titanium alloys and/or other metal substrates including tungsten, niob and tantal alloys
CN104668677A (en) * 2013-12-02 2015-06-03 天津大学 Non-water-based electrolyte used for titanium alloy electrolytic machining and preparation method of non-water-based electrolyte
ES2604830B1 (en) 2016-04-28 2017-12-18 Drylyte, S.L. Process for smoothing and polishing metals by ionic transport by means of free solid bodies, and solid bodies to carry out said process.
JP6752626B2 (en) * 2016-05-31 2020-09-09 株式会社カネカ Method for manufacturing electropolishing liquid and electropolished metal molded product
JP2017214614A (en) * 2016-05-31 2017-12-07 株式会社カネカ Method for producing electrolytically polished metal compact
EP3551786B1 (en) 2016-12-09 2021-04-07 RENA Technologies Austria GmbH Electropolishing method and electrolyte for same
AT520365B1 (en) * 2017-08-29 2019-10-15 Hirtenberger Eng Surfaces Gmbh ELECTROLYTE FOR ELECTROPOLISHING METAL SURFACES
ES2734499B2 (en) * 2018-11-12 2020-06-03 Drylyte Sl Use of sulfonic acids in dry electrolytes to polish metal surfaces through ion transport
US11492723B2 (en) * 2019-11-05 2022-11-08 Cilag Gmbh International Electrolyte solutions for electropolishing of nitinol needles
DE102021120263A1 (en) * 2021-08-04 2023-02-09 Bayerische Motoren Werke Aktiengesellschaft Process and device for producing a coated structural component
WO2023157410A1 (en) * 2022-02-15 2023-08-24 日本軽金属株式会社 Surface-smoothened metal member and method for manufacturing same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6332970B1 (en) * 1999-10-22 2001-12-25 Barry W. Coffey Electrolytic method of and compositions for stripping electroless nickel
US20060030158A1 (en) * 2002-01-22 2006-02-09 Cabot Microelectronics Compositions and methods for tantalum CMP
US20060272950A1 (en) * 2003-05-12 2006-12-07 Martyak Nicholas M High purity electrolytic sulfonic acid solutions

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3667505D1 (en) * 1986-06-20 1990-01-18 Poligrat Gmbh ELECTROLYT FOR ELECTROCHEMICAL POLISHING OF METAL SURFACES.
JPH0762280B2 (en) * 1990-07-11 1995-07-05 山口県 Electrolytic polishing of titanium or titanium alloy
GB9022996D0 (en) * 1990-10-23 1990-12-05 Leonard Ian Prosthesis and methods and apparatus for making same
SE511209C2 (en) * 1994-12-12 1999-08-23 Sandvik Ab Method for obtaining well-defined oak gradients on inserts with electropolishing technology
FR2795433B1 (en) * 1999-06-25 2001-08-31 Org Europeene De Rech BATH COMPOSITION FOR ELECTROLYTIC POLISHING OF TITANIUM, AND METHOD OF USING SAME
DE10037337A1 (en) * 2000-03-14 2001-09-20 Nmi Univ Tuebingen Electropolishing of titanium alloy and nickel-titanium alloy articles, especially Nitinol stents, is carried out in anhydrous electrolyte, preferably sulfamic acid in formamide, with article as anode
SG87194A1 (en) * 2000-08-17 2002-03-19 Samsung Techwin Co Ltd Lead frame and method of manufacturing the lead frame
EP1354986A3 (en) * 2002-04-09 2004-01-02 Olivier Piotrowski Process and apparatus for electropolishing titanium surfaces
EP1386985B1 (en) * 2002-07-17 2008-08-20 Maillefer Instruments Holding S.A.R.L. Process for electrolytic polishing of dental instruments made of nickel-titanium alloys
DE10320909A1 (en) * 2003-05-09 2004-11-18 Poligrat Holding Gmbh Electrolyte for the electrochemical polishing of metal surfaces
US7510641B2 (en) * 2003-07-21 2009-03-31 Los Alamos National Security, Llc High current density electropolishing in the preparation of highly smooth substrate tapes for coated conductors
US20060163083A1 (en) * 2005-01-21 2006-07-27 International Business Machines Corporation Method and composition for electro-chemical-mechanical polishing
DE102005037563B3 (en) * 2005-08-09 2006-09-28 Poligrat Gmbh Process for electrochemical polishing of alloy steels useful for for electropolishing of steel, especially stainless steel involves using chromium-free electrolyte containing phosphoric acid and sulfuric acids
US7776189B2 (en) * 2006-03-07 2010-08-17 Abbott Laboratories Method and apparatus for electropolishing metallic stents

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6332970B1 (en) * 1999-10-22 2001-12-25 Barry W. Coffey Electrolytic method of and compositions for stripping electroless nickel
US20060030158A1 (en) * 2002-01-22 2006-02-09 Cabot Microelectronics Compositions and methods for tantalum CMP
US20060272950A1 (en) * 2003-05-12 2006-12-07 Martyak Nicholas M High purity electrolytic sulfonic acid solutions

Also Published As

Publication number Publication date
EP1970473B1 (en) 2011-08-31
JP5145083B2 (en) 2013-02-13
ES2369942T3 (en) 2011-12-09
DE102007011632B3 (en) 2008-06-26
ATE522642T1 (en) 2011-09-15
JP2008223139A (en) 2008-09-25
US20080217186A1 (en) 2008-09-11
EP1970473A2 (en) 2008-09-17

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