Mechanical performances of unsatured polyester composite reinforced by OleaEuropea var. Sylvestris fibers: Characterization, modeling and optimization of fiber textural properties

IF 2.3 3区 材料科学 Q3 MATERIALS SCIENCE, COMPOSITES
Kamal Saidani, Djamel Nibou, Hadda Aya Hammoudi
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引用次数: 0

Abstract

A mechanical performance of synthesizedunsatured polyester (UP) composite reinforced by OleaEuropea var. Sylvestris fibers was studied by applying the complete 23 factorial plan of experience. The variables orientation angle (V1), length (V2) and ratio (V3) of these fibers have been investigated. The experimental design was used to evaluate these factors on the Young’s modulus and the maximum stress. The textural properties of the fibers were highlighted by XRD, SEM, EDS and FTIR. According to the experimental designresults, the V1 and V2 factors are the most influential and the V1V2/V2V1 and V1V3/V3V1 interactions are the most significant. The significance Student’s tests of all effects were found non negligible and significant and the validation of the proposed linear models was verified by using analysis of variance (ANOVA). The study of the fracture facies of specimens of various experimental configurations by SEM showed the direct dependence of factors V1, V2 and V3 and their interactions on the improvement of the mechanical properties. Five deterioration zones were detected and identified as matrix cracking, longitudinal intra fiber cracking, fiber-matrix decohesion, fiber-matrix loosening and strong fiber-matrix cohesion.
油橄榄变种纤维增强的未成熟聚酯复合材料的机械性能:纤维纹理特性的表征、建模和优化
通过应用完整的 23 因式经验计划,研究了油橄榄变种 Sylvestris 纤维增强的合成未成熟聚酯(UP)复合材料的机械性能。研究了这些纤维的取向角(V1)、长度(V2)和比率(V3)等变量。实验设计用于评估这些因素对杨氏模量和最大应力的影响。纤维的纹理特性通过 XRD、SEM、EDS 和 FTIR 得到了强调。根据实验设计结果,V1 和 V2 因子的影响最大,V1V2/V2V1 和 V1V3/V3V1 的相互作用最为显著。通过方差分析(ANOVA)验证了所提出的线性模型。通过扫描电子显微镜对不同实验结构试样的断裂面进行的研究表明,因素 V1、V2 和 V3 及其相互作用对机械性能的改善有直接的影响。检测并确定了五个劣化区,分别是基质开裂、纤维内纵向开裂、纤维-基质解粘连、纤维-基质松散和纤维-基质强内聚。
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来源期刊
Journal of Composite Materials
Journal of Composite Materials 工程技术-材料科学:复合
CiteScore
5.40
自引率
6.90%
发文量
274
审稿时长
6.8 months
期刊介绍: Consistently ranked in the top 10 of the Thomson Scientific JCR, the Journal of Composite Materials publishes peer reviewed, original research papers from internationally renowned composite materials specialists from industry, universities and research organizations, featuring new advances in materials, processing, design, analysis, testing, performance and applications. This journal is a member of the Committee on Publication Ethics (COPE).
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