Measurement of stress-intensity factor by means of a-c potential drop technique

M. Saka; M. Nakayama; T. Kaneko; H. Abé

doi:10.1007/BF02326061

Measurement of stress-intensity factor by means of a-c potential drop technique

M. Saka, M. Nakayama, T. Kaneko, H. Abé

ENG - Finemechanics

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

A loading effect on a-c potential difference measured for two-dimensional stationary surface crack is examined under opening load without shear. An increment of potential difference caused by a load change is revealed to have a proportional relationship with an increment of the stress-intensity factor, K_I. Also, the constant of proportionality of the relationship is found to be independent of the crack length. Based on this relationship, a procedure is developed for measurement of K_Iby means of the a-c potential drop technique.

Original language	English
Pages (from-to)	209-212
Number of pages	4
Journal	Experimental Mechanics
Volume	31
Issue number	3
DOIs	https://doi.org/10.1007/BF02326061
Publication status	Published - 1991 Sep 1

ASJC Scopus subject areas

Aerospace Engineering
Mechanics of Materials
Mechanical Engineering

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AU - Kaneko, T.

AU - Abé, H.

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N2 - A loading effect on a-c potential difference measured for two-dimensional stationary surface crack is examined under opening load without shear. An increment of potential difference caused by a load change is revealed to have a proportional relationship with an increment of the stress-intensity factor, KI. Also, the constant of proportionality of the relationship is found to be independent of the crack length. Based on this relationship, a procedure is developed for measurement of KIby means of the a-c potential drop technique.

AB - A loading effect on a-c potential difference measured for two-dimensional stationary surface crack is examined under opening load without shear. An increment of potential difference caused by a load change is revealed to have a proportional relationship with an increment of the stress-intensity factor, KI. Also, the constant of proportionality of the relationship is found to be independent of the crack length. Based on this relationship, a procedure is developed for measurement of KIby means of the a-c potential drop technique.

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Measurement of stress-intensity factor by means of a-c potential drop technique

Abstract

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