DataVXPolymer CompositesPaper
journal article·2023-08

A method of obtaining the anisotropic complex moduli of carbon fibers by fitting

Chengyu Guan, Zi‐Jia Tang, Fei Zhao, Zhiyong Yang, Huimin Li

Polymer Composites· Volume 44· Issue 8
Publisher page
Source abstract

Abstract

Abstract A novel fitting method of obtaining the anisotropic complex moduli of fibers based on the complex moduli of matrix and composites is presented. The complex longitudinal, transverse and in‐plane shear moduli of the unidirectional T700 carbon fiber reinforced epoxy resin composite and the complex modulus of its matrix are measured using dynamic mechanical analysis. The predicted properties of the composite are calculated using the generalized method of cells (GMC). The complex axial, transverse and axial shear moduli of the carbon fibers are obtained by minimizing the sum of the squares of the modules of the difference between the test properties and predicted properties. Finally, the results of the experiment, finite element analysis, and GMC are compared. The results show that the complex axial and transverse moduli of the carbon fibers can be accurately evaluated, while the complex axial shear modulus cannot be accurately determined.
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Research context

Composites

OpenAlex topics: Mechanical Behavior of Composites · Fiber-reinforced polymer composites · Epoxy Resin Curing Processes

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Advanced Structure Technology Beijing Institute of Technology Beijing China

Hubei Key Laboratory of Advanced Aerospace Propulsion Technology Design Institute of Hubei Aerospace Technology Academy Wuhan China

Structural Composites Research Center Aerospace Research Institute of Material and Processing 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

Funding

Beijing Institute of Technology Research Fund Program for Young Scholars · National Key Research and Development Program of China · National Natural Science Foundation of China

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