Crack propagation velocity

Beyond this the crack propagation rate increased rapidly and the specimen failed catastrophically. Thus it is substantially higher than in the other experiments. Van den Boogaart, A.

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Henry Pollack Henry Pollack. Bulletin of the Seismological Society of America 53 1 : 87— Article history received:. Abstract The velocity of crack propagation in glass plates has been measured. This content is PDF only. Then, the crack tips are determined using the principal component analysis. The tips are tracked in the image sequence and the velocities between the time stamps of the images are derived.

A major advantage of this method as compared to the established techniques is in the fact that it allows spatio-temporally resolved, full-field measurements rather than point-wise measurements.

Furthermore, information on the crack width can be obtained simultaneously.