Basalt Fiber-Reinforced Epoxy Laminates: Improvement in Quasi-Static and Fatigue Properties with Modified Matrices and Fiber Surfaces Using Silica Nanoparticles

IF 2.9 4区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES Applied Composite Materials Pub Date : 2024-10-28 DOI:10.1007/s10443-024-10273-6

Mayank Agrawal, R T Durai Prabhakaran, Puneet Mahajan

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Abstract

The performance of composite materials is influenced largely by adding organic or inorganic nanoparticles. The composite properties also depend on the fiber/matrix interface bonding. The present article focuses on the influence of basalt fiber surface modifications using hybrid sizings (silane/and silica nanoparticles (SNPs)) and matrix modifications by adding SNPs in the epoxy resin are studied. Vacuum-assisted resin infusion molding (VARIM) was used to fabricate the basalt fiber/epoxy composites. First, the commercial fibers were washed in acetone to remove the commercial sizing; thereafter, a hybrid sizing (3-Glycidyloxypropyl) trimethoxysilane (GPMS)/SNP was applied using the dip-coating method. The SNPs were dispersed using homogenization and probe sonication before infusion. There is an improvement of about 9.05% and 11.33% in the tensile strength and 2.40% and 4.13% in the tensile modulus of as-received basalt fibers with modified epoxy (ABF/EPSNP) and sized basalt fibers with as-received epoxy resin (SBF/EP) composites, respectively. The flexural strength and modulus have improved by about 30% and 8.5%, respectively. Failure mechanisms were analyzed using scanning electron microscopy. From the current study, it was found that surface modifications could result in better composite performance.

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玄武岩纤维增强环氧层压板：用纳米二氧化硅改性基体和纤维表面改善准静态和疲劳性能

添加有机或无机纳米颗粒对复合材料的性能影响很大。复合材料的性能还取决于纤维/基体界面的结合。本文主要研究了混合施胶剂（硅烷/纳米二氧化硅（SNPs））对玄武岩纤维表面改性的影响，以及在环氧树脂中添加SNPs对基体改性的影响。采用真空辅助树脂注射成型技术制备玄武岩纤维/环氧树脂复合材料。首先，将商业纤维在丙酮中洗涤以去除商业浆料；然后，采用浸渍涂布法，采用（3-缩水甘油氧基丙基）三甲氧基硅烷(GPMS)/SNP混合上浆。注射前用匀浆和探针超声分散snp。改性环氧树脂（ABF/EPSNP）改性玄武岩纤维和环氧树脂（SBF/EP）改性玄武岩纤维的拉伸强度分别提高了9.05%和11.33%，拉伸模量分别提高了2.40%和4.13%。抗弯强度和模量分别提高了约30%和8.5%。用扫描电镜分析了失效机理。从目前的研究中发现，表面改性可以提高复合材料的性能。图形抽象

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来源期刊

Applied Composite Materials 工程技术-材料科学：复合

CiteScore

4.20

自引率

4.30%

发文量

审稿时长

1.6 months

期刊介绍： Applied Composite Materials is an international journal dedicated to the publication of original full-length papers, review articles and short communications of the highest quality that advance the development and application of engineering composite materials. Its articles identify problems that limit the performance and reliability of the composite material and composite part; and propose solutions that lead to innovation in design and the successful exploitation and commercialization of composite materials across the widest spectrum of engineering uses. The main focus is on the quantitative descriptions of material systems and processing routes. Coverage includes management of time-dependent changes in microscopic and macroscopic structure and its exploitation from the material''s conception through to its eventual obsolescence.