The Interface Model and the Interphase Model for Predicting the Effective Elastic Properties of Nano-Fiber Composites

CUI Chunli; XU Yaoling

doi:10.21656/1000-0887.420231

Volume 43 Issue 8

Aug. 2022

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CUI Chunli, XU Yaoling. The Interface Model and the Interphase Model for Predicting the Effective Elastic Properties of Nano-Fiber Composites[J]. Applied Mathematics and Mechanics, 2022, 43(8): 877-887. doi: 10.21656/1000-0887.420231

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The Interface Model and the Interphase Model for Predicting the Effective Elastic Properties of Nano-Fiber Composites

doi: 10.21656/1000-0887.420231

CUI Chunli,
XU Yaoling^,

Key Laboratory of Mechanical Reliability for Heavy Equipments and Large Structures of Hebei Province, Yanshan University, Qinhuangdao, Hebei 066004, P.R.China

Received Date: 2021-08-05
Rev Recd Date: 2021-11-24

Available Online: 2022-07-01

Publish Date: 2022-08-01

Abstract

Abstract

The effective bulk modulus and the effective in-plane shear modulus of nano-fiber composites were investigated with the interface model and the interphase model based on the generalized self-consistent method, and the closed-form analytical solutions of the effective bulk modulus and all equations for numerically predicting effective in-plane shear modulus based on the 2 models, were presented. With the interface model, interface effects of the effective bulk modulus and the effective in-plane shear modulus were discussed through numerical examples. Furthermore, the solutions of the interface model were proved to be degenerated ones of those of the interphase model, where the effective bulk modulus can be obtained through analytical degeneration and the numerical results of the effective in-plane shear modulus through numerical degeneration. An example of aluminium containing nano voids shows that, the effective bulk modulus and the effective in-plane shear modulus predicted with the interface model have large deviations from those with the interphase model for small void radii, however, small deviations for larger void radii.
- nano-fiber composite,
- effective elastic property,
- interface model,
- interphase model

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References(26)

References

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