A method of obtaining anisotropic loss factors of carbon fibers by indirect fitting
Source abstract
Abstract
Abstract A fitting method is proposed to estimate the anisotropic loss factors of the T700 carbon fibers. In this fitting method, the loss factors of fibers are taken as unknown variables, storage modulus of fibers is assumed to be invariant. The generalized method of cells (GMC) is combined with the correspondence principle to calculate the loss factors of unidirectional carbon fiber reinforced plastics, and the loss factors of fibers are obtained by fitting the loss factors of composite material with the least square method. The loss factors of the T700 carbon fibers obtained by the fitting method are compared with the experiment and verified by the finite element method based on the direct‐solution steady‐state dynamic analysis and the representative volume element. Results show that the fitting method based on the GMC can accurately calculate the anisotropic loss factors of the T700 carbon fibers.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Mechanical Behavior of Composites · Composite Material Mechanics · Fiber-reinforced polymer composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute of Advanced Structure Technology Beijing Institute of Technology Beijing China
Beijing Key Laboratory of Lightweight Multi‐functional Composite Materials and Structures Beijing Institute of Technology Beijing China
State Key Laboratory of Explosion Science and Technology Beijing Institute of Technology Beijing China
Structural Composites Research Center Aerospace Research Institute of Material and Processing Technology Beijing China
Funding
Beijing Institute of Technology Research Fund Program for Young Scholars · National Basic Research Program of China · National Natural Science Foundation of China
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