纤维参数及表面处理对铸体纤维增强聚酯复合材料性能的影响

IF 1.7 4区工程技术 Q4 POLYMER SCIENCE

International Journal of Polymer Analysis and Characterization Pub Date : 2025-03-19 DOI:10.1080/1023666X.2025.2477562

K. Nijandhan , R. Muralikannan , Deepak B. Thimiri Govinda Raj , E. L. Pradeesh

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引用次数: 0

摘要

研究了纤维参数（纤维长度、纤维重量）对经预处理的连铸纤维增强聚酯复合材料力学性能的影响。通过改变聚酯基复合材料的纤维长度和纤维含量，采用手铺技术制备了复合材料板。拉伸、弯曲和冲击试验按照ASTM标准进行。利用扫描电镜（SEM）对断裂机理进行了分析。当纤维长度为30 mm、纤维重量为40%时，复合材料的拉伸强度（20.8 MPa）、弯曲强度（46.4 MPa）和冲击强度（38.2 kJ/m2）最高。建立了回归方程，利用响应面法和模式搜索优化算法确定了获得更好力学性能的最佳纤维参数。本研究证实了蓖麻纤维增强聚酯复合材料在轻量化工程中的应用。

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The effect of fiber parameters and surface treatment in caster fiber- reinforced polyester composites

This investigation focused on identifying the effect of fiber parameters (fiber length, fiber weight) on the mechanical properties of pretreated caster fiber-reinforced polyester composites. The composite plates were fabricated using the hand layup technique by varying the fiber length and fiber content in polyester matrix composites. The tensile, flexural, and impact tests were conducted as per ASTM standards. Fracture mechanism was analyzed using scanning electron microscopy (SEM) images. It is found that the highest tensile (20.8 MPa), flexural (46.4 MPa), and impact (38.2 kJ/m²) strengths of composites with 30 mm fiber length and 40% fiber wt. content. The regression equation was formulated and optimum fiber parameters for better mechanical properties were identified using response surface methodology and pattern search optimization algorithm. This study confirms that caster fiber-reinforced polyester composites were used to lightweight engineering applications.

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来源期刊

International Journal of Polymer Analysis and Characterization 化学-高分子科学

CiteScore

3.50

自引率

5.30%

发文量

审稿时长

1.6 months

期刊介绍： The scope of the journal is to publish original contributions and reviews on studies, methodologies, instrumentation, and applications involving the analysis and characterization of polymers and polymeric-based materials, including synthetic polymers, blends, composites, fibers, coatings, supramolecular structures, polysaccharides, and biopolymers. The Journal will accept papers and review articles on the following topics and research areas involving fundamental and applied studies of polymer analysis and characterization: Characterization and analysis of new and existing polymers and polymeric-based materials. Design and evaluation of analytical instrumentation and physical testing equipment. Determination of molecular weight, size, conformation, branching, cross-linking, chemical structure, and sequence distribution. Using separation, spectroscopic, and scattering techniques. Surface characterization of polymeric materials. Measurement of solution and bulk properties and behavior of polymers. Studies involving structure-property-processing relationships, and polymer aging. Analysis of oligomeric materials. Analysis of polymer additives and decomposition products.