Analysis of Interaction of Multiple Cracks in a Direct Current Field and Nondestructive Evaluation

[+] Author and Article Information
H. Liu

Tohoku University, Aoba, Armaki, Aoba-Ku, Sendai 980-8579, Japan

M. Saka

Department of Mechanical Engineering, Tohoku University, Aoba, Armaki, Aoba-Ku, Sendai 980-8579, Japan

H. Abe'

Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan

I. Komura

Heavy Apparatus Engineering Laboratory, Toshiba Corporation, 1-9 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan

H. Sakamoto

Isogo Nuclear Engineering Center, Toshiba Corporation, 8 Shinsugita-cho, Isogo-ku, Yokohama 235-0032, Japan

J. Appl. Mech 66(2), 468-475 (Oct 25, 1999) (7 pages) doi:10.1115/1.2791071 History: Received April 03, 1997; Revised August 13, 1998


A method of analysis is proposed for nondestructive evaluation of multiple cracks by means of the d.c. (direct current) potential drop technique. Two and three-dimensional multiple cracks are treated. A methodology for considering interaction of cracks based on the equation for an isolated crack is given to calculate the potential drop between both sides of a crack in multiple cracking in a plate. The inverse problem to evaluate the crack depth is analyzed by comparing the potential drop calculated in this way with the measurement. It is shown that the evaluated crack depth is in good agreement with the actual one.

COPYRIGHT © 1999 by The American Society of Mechanical Engineers
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Abe'HKanohY1990An Inverse Problem in Nondestructive Inspection of a Crack in a Plate with an Inhomogeneity by Means of the Electrical Potential MethodMicromechanics and InhomogeneityWengGJTayaMAbe'H Springer-Verlag New York115
BeissnerRETellerCMBurkhardtGLSmithRTBartonJR1981Detection and Analysis of Electric-Current Perturbation Caused by DefectsEddy-Current Characterization of Materials and StructuresASTM STP 722 BirnbaumGFreeG ASTM Philadelphia, PA428446
GhajariehRSakaMAbe'HKomuraISakamotoH1995Simplified NDE of Multiple Cracks by Means of the Potential Drop TechniqueNDT & E International6622328 [CrossRef]
GhajariehRSakaMSugawaraTAbe'HKomuraISakamotoH1994NDE of Multiple Cracks on the Surface of Materials by Means of the Potential Drop TechniqueNDT & E International662143150 [CrossRef]
JohnsonHH1965Calibrating the Electric Potential Method for Studying Slow Crack GrowthJournal of Materials Research & Standards662442445
ParkinsRNSinghPM1990Stress Corrosion Crack CoalescenceJournal of Science and Engineering Corrosion662485499 [CrossRef]




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