Experimental Optimization of Multi-Quality Laser Cutting Characteristics of Jute/Epoxy laminate: Full Factorial Design and Grey Relational Analysis

Bekraoui, Nasr; Qoubaa, Zakaria El; Essadiqi, E.

doi:10.1007/s40516-023-00215-8

Cited by 3 publications

(1 citation statement)

References 54 publications

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“…As was performed in the analysis of the ballistic results, it is essential to conduct a statistical analysis to determine the F value. By applying ANOVA, the results of the tensile strength tests of the babassu fibers were statistically analyzed in order to achieve a confidence level of over 95% [52,53]. In addition, this analysis made it possible to assess whether the number of fibers used as reinforcement in the composites had an influence on the results obtained [54,55].…”

Section: Mechanical Properties 321 Tensile Testsmentioning

confidence: 99%

Mechanical and Ballistic Properties of Epoxy Composites Reinforced with Babassu Fibers (Attalea speciosa)

Chaves,

Monteiro,

Nascimento

et al. 2024

Polymers

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The mechanical and ballistic performance of epoxy matrix composites reinforced with 10, 20, and 30 vol.% of babassu fibers was investigated for the first time. The tests included tension, impact, and ballistic testing with 0.22 caliber ammunition. The results showed an improvement in tensile strength, elastic modulus, and elongation with the addition of babassu fiber, and the 30 vol.% composite stood out. Scanning electron microscopy analysis revealed the fracture modes of the composites, highlighting brittle fractures in the epoxy matrix, as well as other mechanisms such as fiber breakage and delamination in the fiber composites. Izod impact tests also showed improvement with increasing babassu fiber content. In ballistic tests, there was an increase in absorbed energy. All composites surpassed plain epoxy by over 3.5 times in ballistic energy absorption, underscoring the potential of babassu fiber in engineering and defense applications.

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