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Sensitivity of the Potential Drop Technique for Crack Length Measurement in a Chevron‐Notched Specimen
Author(s) -
Troczynski Thomas B.,
Nicholson Patrick S.
Publication year - 1986
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1986.tb04799.x
Subject(s) - chevron (anatomy) , materials science , voltage drop , ceramic , drop (telecommunication) , composite material , geology , current (fluid) , electrical engineering , engineering , paleontology , oceanography
It is shown that the electrical potential drop technique applied to the study of fracture in chevron‐notched specimens is insensitive to errors in the potential and current interprobe distance measurements. It is concluded, therefore, that the method is useful whenever the contact area between the probe and material is difficult to define, i.e., for metal‐ceramic surface contacts.