Modeling the temperature-dependent Young’s modulus of short fiber reinforced metal matrix composites and its particle hybrid composites

Knowledge of the temperature-dependent Young’s modulus (TDYM) is fundamentally important for it is a key index to access the deformation-resisting ability over a wide temperature range. In this article, considering the effects of temperature on fiber and matrix Young’s modulus, a TDYM model of short...

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Bibliographic Details
Published in:International journal of mechanics and materials in design 2022-12, Vol.18 (4), p.837-851
Main Authors: Zhang, Ruozhen, Li, Weiguo, Zhang, Xuyao, He, Yi, Yang, Mengqing, Ma, Yanli, Zhang, Zhiqing
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Classical Mechanics
Engineering
Engineering Design
Fiber composites
Fiber reinforced metals
Finite element method
Hybrid composites
Metal matrix composites
Modulus of elasticity
Particulate composites
Room temperature
Short fibers
Solid Mechanics
Temperature
Temperature dependence
Temperature effects
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Summary:Knowledge of the temperature-dependent Young’s modulus (TDYM) is fundamentally important for it is a key index to access the deformation-resisting ability over a wide temperature range. In this article, considering the effects of temperature on fiber and matrix Young’s modulus, a TDYM model of short fiber reinforced metal matrix composites (SFRMMCs) is developed based on the classical shear-lag model. This model enables the prediction of Young’s modulus of SFRMMCs over a wide temperature range just requiring the material parameters at room temperature as inputs, which is convenient for engineering applications. Furthermore, the developed TDYM model can be conveniently applied to hybrid particle/short fiber metal matrix composites by taking the particle reinforced metal matrix composites as a new matrix. At the same time, the model enables the characterization of the hybrid effect at different temperatures effectively. In addition, good agreement between the two model predictions and available experimental values and finite element method results at different temperatures is achieved, verifying the rationality of the two models. Key influencing factors such as fiber geometry and matrix/short fiber Young’s modulus at different temperatures are analyzed in detail, and useful suggestions for improving the TDYM of composites are put forward.
ISSN:1569-1713
1573-8841
DOI:10.1007/s10999-022-09611-y