Stable crack growth in aluminum tensile specimens |
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| Authors: | B S -J Kang A S Kobayashi D Post |
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| Institution: | (1) Department of Mechanical Engineering, FU-10, University of Washington, 98195 Seattle, WA;(2) Department of Engineering Science and Mechanics, Virginia Polytechnic Institute and State University, 24601 Blacksburg, VA |
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| Abstract: | Post's white-light moiré interferometry was used to obtain sequential records of the transientU
y
-displacement fields associated with stable crack growth in 7075-T6 and 2024-0, single-edge-notched (SEN) specimens with fatigued
cracks. TheU
y
-displacement fields are used to evaluate the crack-tip opening displacement (CTOD), far- and near-fieldJ-integral values, Dugdale-strip-yield model, William's polynomial function and the HRR field.
Paper was presented at 1985 SEM Spring Converence on Experimental Mechanics held in Las Vegas, NV on June 9–14. |
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