GB2235297B - Method for detecting wear on metal assemblies having inert coatings thereon - Google Patents

Method for detecting wear on metal assemblies having inert coatings thereon

Info

Publication number
GB2235297B
GB2235297B GB9009365A GB9009365A GB2235297B GB 2235297 B GB2235297 B GB 2235297B GB 9009365 A GB9009365 A GB 9009365A GB 9009365 A GB9009365 A GB 9009365A GB 2235297 B GB2235297 B GB 2235297B
Authority
GB
United Kingdom
Prior art keywords
detecting wear
metal assemblies
inert coatings
coatings
inert
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 - Fee Related
Application number
GB9009365A
Other versions
GB9009365D0 (en
GB2235297A (en
Inventor
Geoffrey Luther Grimwood
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.)
Thomas Broadbent and Sons Ltd
Original Assignee
Thomas Broadbent and Sons 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 Thomas Broadbent and Sons Ltd filed Critical Thomas Broadbent and Sons Ltd
Publication of GB9009365D0 publication Critical patent/GB9009365D0/en
Priority to US07/572,165 priority Critical patent/US5119032A/en
Priority to AU63571/90A priority patent/AU6357190A/en
Priority to EP90309346A priority patent/EP0414571B1/en
Priority to PCT/GB1990/001323 priority patent/WO1991002969A1/en
Priority to DE69015924T priority patent/DE69015924T2/en
Publication of GB2235297A publication Critical patent/GB2235297A/en
Application granted granted Critical
Publication of GB2235297B publication Critical patent/GB2235297B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/20—Investigating the presence of flaws
    • G01N27/205—Investigating the presence of flaws in insulating materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB9009365A 1989-08-25 1990-04-26 Method for detecting wear on metal assemblies having inert coatings thereon Expired - Fee Related GB2235297B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US07/572,165 US5119032A (en) 1989-08-25 1990-08-23 Detection of imperfections in the inert coating of a rotating metal component
AU63571/90A AU6357190A (en) 1989-08-25 1990-08-24 Method for detecting wear on metal assemblies having inert coatings thereon
EP90309346A EP0414571B1 (en) 1989-08-25 1990-08-24 Method for detecting wear on metal assemblies having inert coatings thereon
PCT/GB1990/001323 WO1991002969A1 (en) 1989-08-25 1990-08-24 Method for detecting wear on metal assemblies having inert coatings thereon
DE69015924T DE69015924T2 (en) 1989-08-25 1990-08-24 Method for determining the wear of metallic parts covered with a passive layer.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898919324A GB8919324D0 (en) 1989-08-25 1989-08-25 Method for detecting wear on metal assemblies having inert coatings thereon

Publications (3)

Publication Number Publication Date
GB9009365D0 GB9009365D0 (en) 1990-06-20
GB2235297A GB2235297A (en) 1991-02-27
GB2235297B true GB2235297B (en) 1994-01-26

Family

ID=10662096

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898919324A Pending GB8919324D0 (en) 1989-08-25 1989-08-25 Method for detecting wear on metal assemblies having inert coatings thereon
GB9009365A Expired - Fee Related GB2235297B (en) 1989-08-25 1990-04-26 Method for detecting wear on metal assemblies having inert coatings thereon

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898919324A Pending GB8919324D0 (en) 1989-08-25 1989-08-25 Method for detecting wear on metal assemblies having inert coatings thereon

Country Status (1)

Country Link
GB (2) GB8919324D0 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1499632A (en) * 1975-03-12 1978-02-01 Goeppner Kaiserslautern Eisen Method of detecting newly occurring defects in container linings
GB1545487A (en) * 1975-03-27 1979-05-10 Ici Ltd Method and probe assembly for examination of protective coatings
WO1983001514A1 (en) * 1981-10-16 1983-04-28 Vermot-Gaud, Jacques Method for detecting faults of a dielectric coating on the surface of an electrically conducting substrate
GB2195771A (en) * 1986-08-12 1988-04-13 Toyo Seikan Kaisha Ltd Measuring metal exposure in resin covering portion in metal container or a constituent member thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1499632A (en) * 1975-03-12 1978-02-01 Goeppner Kaiserslautern Eisen Method of detecting newly occurring defects in container linings
GB1545487A (en) * 1975-03-27 1979-05-10 Ici Ltd Method and probe assembly for examination of protective coatings
WO1983001514A1 (en) * 1981-10-16 1983-04-28 Vermot-Gaud, Jacques Method for detecting faults of a dielectric coating on the surface of an electrically conducting substrate
US4584521A (en) * 1981-10-16 1986-04-22 Battelle Memorial Institute Method of detecting the defects in a dielectric coating at the surface of an electrically conductive underlayer
GB2195771A (en) * 1986-08-12 1988-04-13 Toyo Seikan Kaisha Ltd Measuring metal exposure in resin covering portion in metal container or a constituent member thereof

Also Published As

Publication number Publication date
GB9009365D0 (en) 1990-06-20
GB8919324D0 (en) 1989-10-11
GB2235297A (en) 1991-02-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960426