Strain-Rate Effects on the Mechanical Behavior of Basalt-Fiber-Reinforced Polymer Composites: Experimental Investigation and Numerical Validation
Yuezhao Pang, Chuanlong Wang, Yue Zhao, Houqi Yao, Xianzheng Wang
TL;DR
This paper studies how the mechanical behavior of basalt-fiber-reinforced polymer composites changes with strain rate and direction, providing data useful for engineering applications.
Contribution
The study establishes strain rate relationships for BFRP composites and validates them through numerical simulations.
Findings
BFRP composites show significant strain rate dependency and anisotropic behavior.
Strain rate relationships accurately predict mechanical properties across tested ranges.
Finite element simulations validated the developed strain rate relationships.
Abstract
Basalt-fiber-reinforced polymer (BFRP) composites, utilizing a natural high-performance inorganic fiber, exhibit excellent weathering resistance, including tolerance to high and low temperatures, salt fog, and acid/alkali corrosion. They also possess superior mechanical properties such as high strength and modulus, making them widely applicable in aerospace and shipbuilding. This study experimentally investigated the mechanical properties of BFRP plates under various strain rates (10−4 s−1 to 103 s−1) and directions using an electronic universal testing machine and a split Hopkinson pressure bar (SHPB).The results demonstrate significant strain rate dependency and pronounced anisotropy. Based on experimental data, relationships linking the strength of BFRP composites in different directions to strain rate were established. These relationships effectively predict mechanical properties…
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Taxonomy
TopicsMechanical Behavior of Composites · High-Velocity Impact and Material Behavior · Structural Response to Dynamic Loads