Issue |
E3S Web Conf.
Volume 434, 2023
4th International Conference on Energetics, Civil and Agricultural Engineering (ICECAE 2023)
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Article Number | 01039 | |
Number of page(s) | 7 | |
Section | Energetics | |
DOI | https://doi.org/10.1051/e3sconf/202343401039 | |
Published online | 12 October 2023 |
Deformation measurement by digital holographic interferometry
1 Tashkent State Technical University, 2, University street, Tashkent, 100095, Uzbekistan
2 Research Institute of Physics of Semiconductors and Microelevtronics, 20, Yangi Olmazor street, Tashkent, 100040, Uzbekistan
* Corresponding author: gorani@bk.ru
Nondestructive testing (NDT) methods and techniques play a vital role in enhancing product quality across various industries. Among these methods, the optical approach stands out, relying on the analysis of how optical radiation interacts with the test object. The key information parameters for optical testing of objects encompass their spectral and integral photometric characteristics. These characteristics are influenced by factors such as the substance’s structure, temperature, physical state, microrelief, angle of incident radiation, polarization degree, and wavelength. By leveraging optical methods, defects within materials can be detected without causing damage to the object. These defects encompass voids (discontinuities), delaminations, pores, cracks, inclusions of foreign bodies, internal stresses, alterations in material structure, and variations in physical and chemical properties, as well as deviations from specified geometric shapes. It’s important to note that optical methods are limited to detecting internal defects only in products made of materials that are transparent within the optical spectrum’s region. By harnessing the power of nondestructive optical testing, industries can ensure the integrity and quality of their products, detect potential flaws, and maintain stringent quality standards without causing any harm to the tested objects. The method with use of transformation of Fourier over sequence of the holograms, which are written down in various time points, is described. Possibility of measurement of deformations of composite material when heating is shown by low-power laser radiation.
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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