NASA NTRS · 19790000386
Deflectometer for precracked charpy and jic bend tests
Abstract
Deflectometer uses ASTM Standard Test E-399 clip-in displacement gage as sensing element. Gage is available in most fracture-testing laboratories and has good sensitivity and accuracy.
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Bubsey, R. T., Jones, M. H.. 1980-04-01. Deflectometer for precracked charpy and jic bend tests. https://ntrs.nasa.gov/citations/19790000386
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