纤维波纹对聚合物复合材料刚度的影响

IF 1.5 4区材料科学 Q4 MATERIALS SCIENCE, COMPOSITES Mechanics of Composite Materials Pub Date : 2024-06-25 DOI:10.1007/s11029-024-10212-3

D. A. Bondarchuk, B. N. Fedulov, E. V. Lomakin

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引用次数: 0

摘要

众所周知，初始纤维波纹会影响聚合物复合材料的刚度和强度。通过数值建模，研究了波纹度对聚合物复合材料单轴拉伸和压缩下刚度特性的影响。研究开发了一种基于具有不同纤维波浪度的特殊周期单元的计算方法。对固化过程中出现的制造应力对波纹增长的影响进行了假设检验。所获得的结果解释了在单轴拉伸和压缩条件下纤维复合材料纵向刚度不同的原因。

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The Effect of Fiber Waviness on the Stiffness of a Polymer Composite Material

It is known that the initial fiber waviness affects the stiffness and strength of the polymer composite material. The influence of degree of waviness on stiffness characteristics under uniaxial tension and compression of a polymer composite material was investigated by using numerical modeling. A computational approach based on a special periodicity cell with different fiber waviness was developed. The hypothesis regarding the impact of manufacturing stresses, appearing during a curing process on waviness growth, was tested. The results obtained explain the mechanism that causes difference in the stiffness observed in fiber composites in the longitudinal direction under uniaxial tension and compression.

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来源期刊

Mechanics of Composite Materials 工程技术-材料科学：复合

CiteScore

2.90

自引率

17.60%

发文量

审稿时长

12 months

期刊介绍： Mechanics of Composite Materials is a peer-reviewed international journal that encourages publication of original experimental and theoretical research on the mechanical properties of composite materials and their constituents including, but not limited to: damage, failure, fatigue, and long-term strength; methods of optimum design of materials and structures; prediction of long-term properties and aging problems; nondestructive testing; mechanical aspects of technology; mechanics of nanocomposites; mechanics of biocomposites; composites in aerospace and wind-power engineering; composites in civil engineering and infrastructure and other composites applications.