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Proceedings Paper

New trends in instrumentation and application of automated grating interferometry
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Paper Abstract

High-sensitivity grating interferometry is shown as the effective experimental tool in hybrid method stress analysis. The recent modifications in instrumentation aim in the analysis of transient phenomena, measurements on a standard loading machine with simultaneous analysis of in-plane u, v, and additionally out-of-plane w displacement fields, miniaturization of the system, as well as in full automatization of acquisition of data and analysis of the results. The automated grating interferometer is considered as a smart system with adaptive fringe pattern design and macro/micro-scale measurement ability. Fulfilling recent instrumentional requirements enlarges areas of application of grating interferometry. The most recent examples of application discussed in the paper include: fracture mechanics, residual stresses determination, relaxation processes, fatigue testing, local material constants measurement, testing of local phenomena in adhesive joints, surface layers, material grains interaction, and many others.

Paper Details

Date Published: 23 June 1995
PDF: 15 pages
Proc. SPIE 2545, Interferometry VII: Applications, (23 June 1995); doi: 10.1117/12.212638
Show Author Affiliations
Malgorzata Kujawinska, Warsaw Univ. of Technology (Poland)
Leszek A. Salbut, Warsaw Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 2545:
Interferometry VII: Applications
Ryszard J. Pryputniewicz; Gordon M. Brown; Werner P. O. Jueptner, Editor(s)

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