US3074858A - Method for the production of assemblies comprising titanium - Google Patents

Method for the production of assemblies comprising titanium Download PDF

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Publication number
US3074858A
US3074858A US18807A US1880760A US3074858A US 3074858 A US3074858 A US 3074858A US 18807 A US18807 A US 18807A US 1880760 A US1880760 A US 1880760A US 3074858 A US3074858 A US 3074858A
Authority
US
United States
Prior art keywords
titanium
graphite
platinum
etched
production
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
Application number
US18807A
Other languages
English (en)
Inventor
Riding Frank
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of US3074858A publication Critical patent/US3074858A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • C25D5/38—Pretreatment of metallic surfaces to be electroplated of refractory metals or nickel
    • 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
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/24—Halogens or compounds thereof
    • C25B1/26—Chlorine; Compounds thereof
    • 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
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/60—Constructional parts of cells
    • C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys

Definitions

  • the method for the N0 Drawillg- Filed 1969, 18,397 production of an assembly in which there is electrical Claims P y, pp f great England P 15, 1959 contact between titanium and graphite comprises pro- 6 Claimsviding the surface of the titanium to face the graphite
  • the present invention relates to improvements in or 10 t deposited f i g Of a platinum metal prior to relating to a method for the production of assemblies hnhglhg the tltehlum and graphite
  • 531d eleetrleal comprising titanium and particularly to a method for eohtaetthe production of assemblies involving contact between PYeteTah1Y S a1d Surface of t tltanlhm is etched P titanium and graphite as for instance in an interference to the depoeltloh Q the Platlhhm metal-
  • Proslstmg essehhally of tltahlhmlonged electrolysis at a high anodic current density has By Way of example the method of the If lhveh' shown furthermore no apparent change in the smooth be applied to a lhercury cell having an anode bright Surface of atitanium rod or anode 1 7.7 mches long of platinum coated expanded sheet Measurements of the electrical contact resistance up f clalmed Inter aha eopehdihg PP to very high contact pressures (3600 lb./in.
  • the object of the present invention is to provide a 40 in mlllivolts per ka./m. anodic current density. method of lowering electrical contact resistance between titanium and graphite in assemblies of titanium and Cup Without With hit platinum platinum
  • Experiments have therefore been carried out to measure the titanium to graphite electrical contact resistance g gg gg eg 2 at various contact pressures for titanium etched with anap lytical reagent quality concentrated hydrochloric acid for 4 days, similarly etched followed by rhodium electrm
  • These values show the marked superiority of the elecdeposition, similarly etched followed by platinum electrodeposlted Platinum coated titanium t0 graphite C011 trodeposition, similarly etched followed by five coats of tact as against a titanium t0 graphite Contact and 3150 a paint applied platinum-bearing preparation with the w that the Stamped P, Where the interference is fi i f each applied coat at 500 C and nometched maintained
  • An assembly for the passage of electrical current therethrough comprising a body of titanium, a surface of which has a platinum metal coating deposited thereon, a graphite body and means for maintaining said graphite body and said titanium body in 'electrical contact under pressure directly through said coating whereby the electrical contact resistance between 'said graphite body and titanium body is decreased.
  • an anode assembly comprising a body of titanium, a surface of which has a platinum metal coating deposited thereon, a graphite body and means for maintaining said graphite body and said titanium body in electrical contact under pressure directly through said coating whereby the electrical contact resistance between said graphite body and titanium body is decreased.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Motor Or Generator Current Collectors (AREA)
US18807A 1959-04-15 1960-03-31 Method for the production of assemblies comprising titanium Expired - Lifetime US3074858A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB12768/59A GB881625A (en) 1959-04-15 1959-04-15 Improvements in or relating to a method for the production of assemblies comprising titanium

Publications (1)

Publication Number Publication Date
US3074858A true US3074858A (en) 1963-01-22

Family

ID=10010779

Family Applications (1)

Application Number Title Priority Date Filing Date
US18807A Expired - Lifetime US3074858A (en) 1959-04-15 1960-03-31 Method for the production of assemblies comprising titanium

Country Status (8)

Country Link
US (1) US3074858A (es)
CH (1) CH453313A (es)
DE (1) DE1421369A1 (es)
ES (1) ES257296A1 (es)
FR (1) FR1254315A (es)
GB (1) GB881625A (es)
NL (2) NL250202A (es)
SE (1) SE213197C1 (es)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3242059A (en) * 1960-07-11 1966-03-22 Ici Ltd Electrolytic process for production of chlorine and caustic
US3278410A (en) * 1962-05-01 1966-10-11 Edwin M Nelson Electrolytic anode
US3601784A (en) * 1969-06-16 1971-08-24 Francis N La Martine Battery terminal
US4330376A (en) * 1979-03-05 1982-05-18 Atlantic Richfield Company Process for inhibiting titanium corrosion

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2624772A (en) * 1947-09-15 1953-01-06 Aluminium Lab Ltd Electrical contact between aluminum and graphite
US2631115A (en) * 1949-08-06 1953-03-10 Manganese Battery Corp Electrodes for electrochemical cells
US2636856A (en) * 1948-06-29 1953-04-28 Mallory & Co Inc P R Electrode for electrochemical oxidation
US2829091A (en) * 1956-06-04 1958-04-01 Menasco Mfg Company Method for electroplating titanium
US2873233A (en) * 1956-03-21 1959-02-10 Philco Corp Method of electrodepositing metals

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2624772A (en) * 1947-09-15 1953-01-06 Aluminium Lab Ltd Electrical contact between aluminum and graphite
US2636856A (en) * 1948-06-29 1953-04-28 Mallory & Co Inc P R Electrode for electrochemical oxidation
US2631115A (en) * 1949-08-06 1953-03-10 Manganese Battery Corp Electrodes for electrochemical cells
US2873233A (en) * 1956-03-21 1959-02-10 Philco Corp Method of electrodepositing metals
US2829091A (en) * 1956-06-04 1958-04-01 Menasco Mfg Company Method for electroplating titanium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3242059A (en) * 1960-07-11 1966-03-22 Ici Ltd Electrolytic process for production of chlorine and caustic
US3278410A (en) * 1962-05-01 1966-10-11 Edwin M Nelson Electrolytic anode
US3601784A (en) * 1969-06-16 1971-08-24 Francis N La Martine Battery terminal
US4330376A (en) * 1979-03-05 1982-05-18 Atlantic Richfield Company Process for inhibiting titanium corrosion

Also Published As

Publication number Publication date
DE1421369A1 (de) 1968-10-24
NL250202A (es)
FR1254315A (fr) 1961-02-17
SE213197C1 (es) 1967-05-30
CH453313A (de) 1968-06-14
ES257296A1 (es) 1960-07-01
NL110254C (es)
GB881625A (en) 1961-11-08

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