GB2012965B - Probes and apparatus for and methods of measuring crack depths - Google Patents

Probes and apparatus for and methods of measuring crack depths

Info

Publication number
GB2012965B
GB2012965B GB7849565A GB7849565A GB2012965B GB 2012965 B GB2012965 B GB 2012965B GB 7849565 A GB7849565 A GB 7849565A GB 7849565 A GB7849565 A GB 7849565A GB 2012965 B GB2012965 B GB 2012965B
Authority
GB
United Kingdom
Prior art keywords
probes
methods
crack depths
measuring crack
measuring
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
Application number
GB7849565A
Other versions
GB2012965A (en
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.)
Dover and Partners Ltd
Original Assignee
Dover and Partners 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 Dover and Partners Ltd filed Critical Dover and Partners Ltd
Priority to GB7849565A priority Critical patent/GB2012965B/en
Publication of GB2012965A publication Critical patent/GB2012965A/en
Application granted granted Critical
Publication of GB2012965B publication Critical patent/GB2012965B/en
Expired 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
GB7849565A 1977-11-11 1978-12-21 Probes and apparatus for and methods of measuring crack depths Expired GB2012965B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7849565A GB2012965B (en) 1977-11-11 1978-12-21 Probes and apparatus for and methods of measuring crack depths

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4715277 1977-11-11
GB7849565A GB2012965B (en) 1977-11-11 1978-12-21 Probes and apparatus for and methods of measuring crack depths

Publications (2)

Publication Number Publication Date
GB2012965A GB2012965A (en) 1979-08-01
GB2012965B true GB2012965B (en) 1982-06-23

Family

ID=26265986

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7849565A Expired GB2012965B (en) 1977-11-11 1978-12-21 Probes and apparatus for and methods of measuring crack depths

Country Status (1)

Country Link
GB (1) GB2012965B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8415747D0 (en) * 1984-06-20 1984-07-25 Secr Defence Alternating current potential drops
GB8817725D0 (en) * 1988-07-26 1988-09-01 Matelect Ltd Techniques to improve accuracy of measurement of crack depth by a c p d
DE3828552C2 (en) * 1988-08-23 1994-10-13 Karl Deutsch Pruef Und Mesgera Method and device for crack depth measurement
EP0518635B1 (en) * 1991-06-11 2003-05-21 Newt Holdings Limited Probe

Also Published As

Publication number Publication date
GB2012965A (en) 1979-08-01

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19941221