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Mechanical testing using digital speckle photography
Luleå tekniska universitet.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0003-4879-8261
2000 (English)In: Proceedings of SPIE, the International Society for Optical Engineering, ISSN 0277-786X, E-ISSN 1996-756X, no 4101, 399-408 p.Article in journal (Refereed)
Abstract [en]

Some recent applications of stereoscopic and two-dimensional digital speckle photography in experimental mechanics are presented. The examples include uses of both laser speckles and white light speckles. Topics covered are: control of the flow front when manufacturing fibre reinforced polymer composites by a closed molding process, measurement of internal deformations at high strain rates, and in opaque specimens, using flashed x-ray radiation. It is also shown how defocused laser speckles can be used to measure in-plane strain fields without the need of numerical differentiation and how laser speckles can be used to monitor the extent of the plastic zone in materials.

Place, publisher, year, edition, pages
2000. no 4101, 399-408 p.
Research subject
Experimental Mechanics
URN: urn:nbn:se:ltu:diva-38422DOI: 10.1117/12.498442Local ID: cd1ee160-adc1-11de-8293-000ea68e967bOAI: diva2:1011923
Laser Interferometry : Techniques and Analysis 31/07/2000 - 01/08/2000
Validerad; 2000; Bibliografisk uppgift: Volumne: 4101; 20090930 (ysko); Konferensartikel i tidskriftAvailable from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-01-19Bibliographically approved

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Sjödahl, Mikael
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