JPH0363016B2 - - Google Patents

Info

Publication number
JPH0363016B2
JPH0363016B2 JP58153609A JP15360983A JPH0363016B2 JP H0363016 B2 JPH0363016 B2 JP H0363016B2 JP 58153609 A JP58153609 A JP 58153609A JP 15360983 A JP15360983 A JP 15360983A JP H0363016 B2 JPH0363016 B2 JP H0363016B2
Authority
JP
Japan
Prior art keywords
test piece
crack growth
output
amplifier
current source
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
JP58153609A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6044857A (ja
Inventor
Kazuo Kageyama
Katsunobu Nonaka
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP15360983A priority Critical patent/JPS6044857A/ja
Publication of JPS6044857A publication Critical patent/JPS6044857A/ja
Publication of JPH0363016B2 publication Critical patent/JPH0363016B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/20Investigating the presence of flaws

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)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
JP15360983A 1983-08-22 1983-08-22 導電性材料用亀裂成長検出装置 Granted JPS6044857A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15360983A JPS6044857A (ja) 1983-08-22 1983-08-22 導電性材料用亀裂成長検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15360983A JPS6044857A (ja) 1983-08-22 1983-08-22 導電性材料用亀裂成長検出装置

Publications (2)

Publication Number Publication Date
JPS6044857A JPS6044857A (ja) 1985-03-11
JPH0363016B2 true JPH0363016B2 (cs) 1991-09-27

Family

ID=15566223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15360983A Granted JPS6044857A (ja) 1983-08-22 1983-08-22 導電性材料用亀裂成長検出装置

Country Status (1)

Country Link
JP (1) JPS6044857A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013501216A (ja) * 2009-07-31 2013-01-10 エアバス オペラシオン ソシエテ パ アクシオンス シンプリフィエ 航空機製造のための複合材料の電気的分析方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10358945A1 (de) 2003-12-15 2005-07-14 Preh Gmbh Bedienelement mit animierter Symbolik

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54107386A (en) * 1978-02-09 1979-08-23 Koa Oil Co Ltd Flaw detecting system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013501216A (ja) * 2009-07-31 2013-01-10 エアバス オペラシオン ソシエテ パ アクシオンス シンプリフィエ 航空機製造のための複合材料の電気的分析方法

Also Published As

Publication number Publication date
JPS6044857A (ja) 1985-03-11

Similar Documents

Publication Publication Date Title
US3781672A (en) Continuous condition measuring system
US4893079A (en) Method and apparatus for correcting eddy current signal voltage for temperature effects
US3197693A (en) Nondestructive eddy current subsurface testing device providing compensation for variation in probe-to-specimen spacing and surface irregularities
US4006407A (en) Non-destructive testing systems having automatic balance and sample and hold operational modes
Wei et al. An assessment of AC and DC potential systems for monitoring fatigue crack growth
US5847562A (en) Thickness gauging of single-layer conductive materials with two-point non linear calibration algorithm
US4843318A (en) Distance compensation in magnetic probe testing systems wherein object to probe spacing is employed as an exponent in excitings probes or processing probe outputs
US4237419A (en) Method and apparatus for non-destructive testing using a plurality of frequencies
JPH0363016B2 (cs)
US2985824A (en) Nondestructive eddy current testing
US3566258A (en) Eddy current flaw detector having automatically balancing bridge circuit
EP0049951A2 (en) Device and method for measuring carburization in furnace tubes
US2942187A (en) Electrostatic means for indicating voltage amplitude
Schneegans et al. Investigation of cross-sensitivities of the potential drop method for structural health monitoring of civil structures
GB1512201A (en) Apparatus for electrically testing workpieces
US2916701A (en) Method and device for measuring electrical voltages
Schneegans et al. Investigation of the measurement uncertainty of the potential drop method for structural health monitoring
JP2001083183A (ja) 電流検出回路及びその検査方法
Pasadas et al. Detection of sub-surface cracks using ECT with planar excitation coil, GMR and TMR sensors
SU390405A1 (ru) Способ исследования кинетики развития трещины в металлическом образце
JPS587331Y2 (ja) 渦電流探傷装置
SU1744620A1 (ru) Способ градуировки электропотенциального дефектоскопа
SU1379715A1 (ru) Устройство дл вихретокового контрол
GB1492411A (en) Measuring or indicating apparatus for instruments
Murray Inductance bridge for sensitive displacement measurements over long periods