Damping measurements of laminated composite materials and aluminum using the hysteresis loop method

H. Abramovich; D. Govich; A. Grunwald

doi:10.1016/j.paerosci.2015.05.006

Damping measurements of laminated composite materials and aluminum using the hysteresis loop method

H. Abramovich, D. Govich, A. Grunwald

Research output: Contribution to journal › Review article › peer-review

Abstract

The damping characteristics of composite laminates made of Hexply 8552 AGP 280-5H (fabric), used for structural elements in aeronautical vehicles, have been investigated in depth using the hysteresis loop method and compared to the results for aluminum specimens (2024 T351). It was found that the loss factor, η, obtained by the hysteresis loop method is linearly dependent only on the applied excitation frequency and is independent of the preloading and the stress amplitudes. For the test specimens used in the present tests series, it was found that the damping of the aluminum specimens is higher than the composite ones for longitudinal direction damping, while for bending vibrations the laminates exhibited higher damping values.

Original language	English
Pages (from-to)	8-18
Number of pages	11
Journal	Progress in Aerospace Sciences
Volume	78
DOIs	https://doi.org/10.1016/j.paerosci.2015.05.006
State	Published - Oct 2015

Keywords

Damping coefficient
Loss factor
Hysteresis method
Laminated composite material
Aluminum

ASJC Scopus subject areas

Aerospace Engineering
Mechanics of Materials
Mechanical Engineering

Access to Document

10.1016/j.paerosci.2015.05.006

Cite this

@article{ada2d9ec1de8476fb0a3e3b249a6e364,

title = "Damping measurements of laminated composite materials and aluminum using the hysteresis loop method",

abstract = "The damping characteristics of composite laminates made of Hexply 8552 AGP 280-5H (fabric), used for structural elements in aeronautical vehicles, have been investigated in depth using the hysteresis loop method and compared to the results for aluminum specimens (2024 T351). It was found that the loss factor, η, obtained by the hysteresis loop method is linearly dependent only on the applied excitation frequency and is independent of the preloading and the stress amplitudes. For the test specimens used in the present tests series, it was found that the damping of the aluminum specimens is higher than the composite ones for longitudinal direction damping, while for bending vibrations the laminates exhibited higher damping values.",

keywords = "Damping coefficient, Loss factor, Hysteresis method, Laminated composite material, Aluminum",

author = "H. Abramovich and D. Govich and A. Grunwald",

year = "2015",

month = oct,

doi = "10.1016/j.paerosci.2015.05.006",

language = "אנגלית",

volume = "78",

pages = "8--18",

}

TY - JOUR

T1 - Damping measurements of laminated composite materials and aluminum using the hysteresis loop method

AU - Abramovich, H.

AU - Govich, D.

AU - Grunwald, A.

PY - 2015/10

Y1 - 2015/10

N2 - The damping characteristics of composite laminates made of Hexply 8552 AGP 280-5H (fabric), used for structural elements in aeronautical vehicles, have been investigated in depth using the hysteresis loop method and compared to the results for aluminum specimens (2024 T351). It was found that the loss factor, η, obtained by the hysteresis loop method is linearly dependent only on the applied excitation frequency and is independent of the preloading and the stress amplitudes. For the test specimens used in the present tests series, it was found that the damping of the aluminum specimens is higher than the composite ones for longitudinal direction damping, while for bending vibrations the laminates exhibited higher damping values.

AB - The damping characteristics of composite laminates made of Hexply 8552 AGP 280-5H (fabric), used for structural elements in aeronautical vehicles, have been investigated in depth using the hysteresis loop method and compared to the results for aluminum specimens (2024 T351). It was found that the loss factor, η, obtained by the hysteresis loop method is linearly dependent only on the applied excitation frequency and is independent of the preloading and the stress amplitudes. For the test specimens used in the present tests series, it was found that the damping of the aluminum specimens is higher than the composite ones for longitudinal direction damping, while for bending vibrations the laminates exhibited higher damping values.

KW - Damping coefficient

KW - Loss factor

KW - Hysteresis method

KW - Laminated composite material

KW - Aluminum

UR - http://www.scopus.com/inward/record.url?scp=84944169396&partnerID=8YFLogxK

U2 - 10.1016/j.paerosci.2015.05.006

DO - 10.1016/j.paerosci.2015.05.006

M3 - ???researchoutput.researchoutputtypes.contributiontojournal.systematicreview???

SN - 0376-0421

VL - 78

SP - 8

EP - 18

JO - Progress in Aerospace Sciences

JF - Progress in Aerospace Sciences

ER -

Damping measurements of laminated composite materials and aluminum using the hysteresis loop method

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this