EP0407349A3 - Metal substrate of improved surface morphology - Google Patents

Metal substrate of improved surface morphology Download PDF

Info

Publication number
EP0407349A3
EP0407349A3 EP19900810492 EP90810492A EP0407349A3 EP 0407349 A3 EP0407349 A3 EP 0407349A3 EP 19900810492 EP19900810492 EP 19900810492 EP 90810492 A EP90810492 A EP 90810492A EP 0407349 A3 EP0407349 A3 EP 0407349A3
Authority
EP
European Patent Office
Prior art keywords
metal
grain boundaries
subsequently applied
metal substrate
etched
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
EP19900810492
Other versions
EP0407349A2 (en
EP0407349B1 (en
Inventor
Kenneth L. Hardee
Lynne M. Ernes
Richard C. Carlson
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.)
Eltech Systems Corp
Original Assignee
Eltech Systems Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23476784&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0407349(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Eltech Systems Corp filed Critical Eltech Systems Corp
Publication of EP0407349A2 publication Critical patent/EP0407349A2/en
Publication of EP0407349A3 publication Critical patent/EP0407349A3/en
Application granted granted Critical
Publication of EP0407349B1 publication Critical patent/EP0407349B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/10—Electrodes, e.g. composition, counter electrode
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/02—Pretreatment of the material to be coated
    • 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
    • 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
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/16—Acidic compositions
    • C23F1/26—Acidic compositions for etching refractory metals
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
    • C25C7/02—Electrodes; Connections thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Chemical & Material Sciences (AREA)
  • ing And Chemical Polishing (AREA)
  • Chemically Coating (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

A metal surface is now described having enhanced adhesion of subsequently applied coatings. The substrate metal of the article, such as a valve metal as represented by titanium, is provided with a highly desirable surface characteristic for subsequent coating application. This can be initiated by selection of a metal of desirable metallurgy and heat history, including prior heat treatment to provide surface grain boundaries which may be most readily etched. In subsequent etching operation, the surface is made to exhibit well defined, three dimensional grains with deep grain boundaries. Subsequently applied coatings, by penetrating into the etched intergranular valleys, are desirably locked onto the metal substrate surface and provide enhanced lifetime even in rugged commercial environments.
EP90810492A 1989-06-30 1990-06-28 Electrode for use in electrolytic processes and process for manufacturing it Expired - Lifetime EP0407349B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37442989A 1989-06-30 1989-06-30
US374429 1989-06-30

Publications (3)

Publication Number Publication Date
EP0407349A2 EP0407349A2 (en) 1991-01-09
EP0407349A3 true EP0407349A3 (en) 1992-02-05
EP0407349B1 EP0407349B1 (en) 1995-05-17

Family

ID=23476784

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90810492A Expired - Lifetime EP0407349B1 (en) 1989-06-30 1990-06-28 Electrode for use in electrolytic processes and process for manufacturing it

Country Status (12)

Country Link
EP (1) EP0407349B1 (en)
JP (1) JP2721739B2 (en)
KR (1) KR100196661B1 (en)
AT (1) ATE122735T1 (en)
AU (1) AU632591B2 (en)
BR (1) BR9003037A (en)
CA (1) CA2018670A1 (en)
DE (1) DE69019424T2 (en)
ES (1) ES2071803T3 (en)
GR (1) GR3017014T3 (en)
NO (1) NO902922L (en)
TW (1) TW214570B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5314601A (en) * 1989-06-30 1994-05-24 Eltech Systems Corporation Electrodes of improved service life
US5324407A (en) * 1989-06-30 1994-06-28 Eltech Systems Corporation Substrate of improved plasma sprayed surface morphology and its use as an electrode in an electrolytic cell
TW197475B (en) * 1990-12-26 1993-01-01 Eltech Systems Corp
DE4323117C1 (en) * 1993-07-10 1995-03-09 Ptg Plasma Oberflaechentech Process for coating household and kitchen equipment and household and kitchen equipment
DK0839216T3 (en) * 1995-11-08 2000-08-21 Fissler Gmbh Process for producing an anti-adhesive coating as well as articles provided with such coating
IT1317969B1 (en) 2000-06-09 2003-07-21 Nora Elettrodi De ELECTRODE CHARACTERIZED BY A HIGH ADHESION OF A SURFACE CATALYTIC LAYER.
ITMI20020535A1 (en) * 2002-03-14 2003-09-15 De Nora Elettrodi Spa OXYGEN DEVELOPMENT ANODE AND ITS SUBSTRATE
FI118159B (en) 2005-10-21 2007-07-31 Outotec Oyj Method for forming an electrocatalytic surface of an electrode and electrode
AU2013278446B2 (en) 2012-06-18 2016-12-22 Asahi Kasei Kabushiki Kaisha Bipolar alkaline water electrolysis unit and electrolytic cell
JP6183620B2 (en) 2012-10-31 2017-08-23 株式会社大阪ソーダ Zero gap type anode for salt electrolyzer, salt electrolyzer, and salt electrolysis method using the same
JP6234754B2 (en) * 2013-09-18 2017-11-22 株式会社神戸製鋼所 Electrode metal plate and electrode
JP6361437B2 (en) * 2014-10-07 2018-07-25 新日鐵住金株式会社 Production method of pure titanium plate
CN113521384B (en) * 2021-07-05 2022-05-10 湖南湘投金天钛金属股份有限公司 Titanium-based material and preparation method and application thereof
US20230092781A1 (en) * 2021-09-20 2023-03-23 Apple Inc. Porous oxide for improved titanium-polymer bonding
CN113755902B (en) * 2021-09-30 2023-04-07 宁波创致超纯新材料有限公司 Titanium anode plate and preparation method and application thereof
DE102021132015B3 (en) 2021-12-06 2023-03-30 Canon Production Printing Holding B.V. Device for printing a recording medium

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE28820E (en) * 1965-05-12 1976-05-18 Chemnor Corporation Method of making an electrode having a coating containing a platinum metal oxide thereon
US4318770A (en) * 1980-08-13 1982-03-09 General Motors Corporation Surface etching before electroding zirconia exhaust gas oxygen sensors
EP0063540A2 (en) * 1981-04-06 1982-10-27 Eltech Systems Corporation Recoating of electrodes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068025A (en) * 1971-03-22 1978-01-10 Brown, Boveri & Company Limited Method of applying a protective coating to a body
DE3424329A1 (en) * 1984-07-02 1986-01-09 Siemens AG, 1000 Berlin und 8000 München METHOD FOR PRODUCING TITANIUM STRUCTURES
FR2567913B1 (en) * 1984-07-18 1989-11-10 Commissariat Energie Atomique PROCESS FOR PREPARING THE SURFACE OF URANIUM OR ALLOY URANIUM-BASED PARTS
US4678546A (en) * 1985-03-27 1987-07-07 North China Research Institute Of Electro-Optics Process for providing lithium tantalum oxide coated tantalum articles with improved wear resistance
JPS62161975A (en) * 1986-10-01 1987-07-17 ペルメレック電極株式会社 Electrode used in electrolytic cell and its production
JPS644491A (en) * 1987-06-26 1989-01-09 Kobe Steel Ltd Pretreatment of anodization of valve metal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE28820E (en) * 1965-05-12 1976-05-18 Chemnor Corporation Method of making an electrode having a coating containing a platinum metal oxide thereon
US4318770A (en) * 1980-08-13 1982-03-09 General Motors Corporation Surface etching before electroding zirconia exhaust gas oxygen sensors
EP0063540A2 (en) * 1981-04-06 1982-10-27 Eltech Systems Corporation Recoating of electrodes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WORLD PATENTS INDEX LATEST Derwent Publications Ltd., London, GB; AN 89-049384; & JP-A-1 004 491 (KOBE STEEL KK) 26 June 1987 *

Also Published As

Publication number Publication date
EP0407349A2 (en) 1991-01-09
KR100196661B1 (en) 1999-06-15
AU632591B2 (en) 1993-01-07
JP2721739B2 (en) 1998-03-04
NO902922D0 (en) 1990-06-29
TW214570B (en) 1993-10-11
EP0407349B1 (en) 1995-05-17
ATE122735T1 (en) 1995-06-15
DE69019424T2 (en) 1995-09-14
GR3017014T3 (en) 1995-11-30
CA2018670A1 (en) 1990-12-31
KR910001096A (en) 1991-01-30
ES2071803T3 (en) 1995-07-01
NO902922L (en) 1991-01-02
BR9003037A (en) 1991-08-20
DE69019424D1 (en) 1995-06-22
JPH0347999A (en) 1991-02-28
AU5804190A (en) 1991-01-03

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