Investigation of dynamic characteristics of carbon composites by laser Doppler vibrometry

Abstract

Using a laser Doppler vibrometer, a noncontact measurement of the damping factor and vibration velocity of a rectangular, cantilevered carbon composite specimen under conditions of vibration load of varying intensity is carried out. The range of loading rates is 0-255 mm/s. It has been found that, as the loading rate increases to 5 mm/s, the value of the damping factor decreases nonlinearly, and, for larger values, it fluctuates near a certain constant value. With the approach of the scanning point of the sample to the place where it is fixed, the damping factor increases. It is shown that there is a certain distance from the place where the sample is fixed, for which an increase in the intensity of the applied vibrational load causes the smallest increase in the maximum value of vibration velocity.

Original language	English
Title of host publication	Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2018
Subtitle of host publication	Proceedings of the 12th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures
Editors	Sunder Ramasubbu, Eduard S. Gorkunov, Victor E. Panin
Publisher	American Institute of Physics Inc.
ISBN (Electronic)	9780735417816
DOIs	https://doi.org/10.1063/1.5084485
Publication status	Published - 19 Dec 2018
Event	12th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2018 - Ekaterinburg, Russian Federation Duration: 21 May 2018 → 25 May 2018

Publication series

Name	AIP Conference Proceedings
Volume	2053
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	12th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2018
Country	Russian Federation
City	Ekaterinburg
Period	21.5.18 → 25.5.18

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.5084485

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Krasnoveikin, V. A., & Konovalenko, I. S. (2018). Investigation of dynamic characteristics of carbon composites by laser Doppler vibrometry. In S. Ramasubbu, E. S. Gorkunov, & V. E. Panin (Eds.), Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2018: Proceedings of the 12th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures [040047] (AIP Conference Proceedings; Vol. 2053). American Institute of Physics Inc.. https://doi.org/10.1063/1.5084485

Investigation of dynamic characteristics of carbon composites by laser Doppler vibrometry. / Krasnoveikin, Vladimir A.; Konovalenko, Ivan S.

Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2018: Proceedings of the 12th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures. ed. / Sunder Ramasubbu; Eduard S. Gorkunov; Victor E. Panin. American Institute of Physics Inc., 2018. 040047 (AIP Conference Proceedings; Vol. 2053).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Krasnoveikin, VA & Konovalenko, IS 2018, Investigation of dynamic characteristics of carbon composites by laser Doppler vibrometry. in S Ramasubbu, ES Gorkunov & VE Panin (eds), Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2018: Proceedings of the 12th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures., 040047, AIP Conference Proceedings, vol. 2053, American Institute of Physics Inc., 12th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2018, Ekaterinburg, Russian Federation, 21.5.18. https://doi.org/10.1063/1.5084485

Krasnoveikin VA, Konovalenko IS. Investigation of dynamic characteristics of carbon composites by laser Doppler vibrometry. In Ramasubbu S, Gorkunov ES, Panin VE, editors, Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2018: Proceedings of the 12th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures. American Institute of Physics Inc. 2018. 040047. (AIP Conference Proceedings). https://doi.org/10.1063/1.5084485

Krasnoveikin, Vladimir A. ; Konovalenko, Ivan S. / Investigation of dynamic characteristics of carbon composites by laser Doppler vibrometry. Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2018: Proceedings of the 12th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures. editor / Sunder Ramasubbu ; Eduard S. Gorkunov ; Victor E. Panin. American Institute of Physics Inc., 2018. (AIP Conference Proceedings).

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abstract = "Using a laser Doppler vibrometer, a noncontact measurement of the damping factor and vibration velocity of a rectangular, cantilevered carbon composite specimen under conditions of vibration load of varying intensity is carried out. The range of loading rates is 0-255 mm/s. It has been found that, as the loading rate increases to 5 mm/s, the value of the damping factor decreases nonlinearly, and, for larger values, it fluctuates near a certain constant value. With the approach of the scanning point of the sample to the place where it is fixed, the damping factor increases. It is shown that there is a certain distance from the place where the sample is fixed, for which an increase in the intensity of the applied vibrational load causes the smallest increase in the maximum value of vibration velocity.",

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N2 - Using a laser Doppler vibrometer, a noncontact measurement of the damping factor and vibration velocity of a rectangular, cantilevered carbon composite specimen under conditions of vibration load of varying intensity is carried out. The range of loading rates is 0-255 mm/s. It has been found that, as the loading rate increases to 5 mm/s, the value of the damping factor decreases nonlinearly, and, for larger values, it fluctuates near a certain constant value. With the approach of the scanning point of the sample to the place where it is fixed, the damping factor increases. It is shown that there is a certain distance from the place where the sample is fixed, for which an increase in the intensity of the applied vibrational load causes the smallest increase in the maximum value of vibration velocity.

AB - Using a laser Doppler vibrometer, a noncontact measurement of the damping factor and vibration velocity of a rectangular, cantilevered carbon composite specimen under conditions of vibration load of varying intensity is carried out. The range of loading rates is 0-255 mm/s. It has been found that, as the loading rate increases to 5 mm/s, the value of the damping factor decreases nonlinearly, and, for larger values, it fluctuates near a certain constant value. With the approach of the scanning point of the sample to the place where it is fixed, the damping factor increases. It is shown that there is a certain distance from the place where the sample is fixed, for which an increase in the intensity of the applied vibrational load causes the smallest increase in the maximum value of vibration velocity.

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