Effect of Bambusa vulgaris hybridization on damage mechanisms under mode I fracture, impact, and viscoelastic loading in carbon/glass laminates
Source abstract
Abstract
Low-velocity impact and delamination are critical issues for composite structures. One promising approach to improve their resistance is the hybridization of synthetic and natural fibers. However, the impact behavior of such hybrid composites is still not sufficiently understood. In this context, this study presents an experimental investigation of hybrid composites reinforced with carbon, glass, and seven-year-old Bambusa vulgaris fibers from Cameroon in an epoxy resin matrix. The laminates investigated were carbon/ Bambusa vulgaris /glass/glass/ Bambusa vulgaris /carbon (CBGGBC) and carbon/glass/glass/carbon (CGGC). The specimens were manufactured via vacuum-bag resin transfer molding using SR 8100/SD 8824 epoxy resin. Five tests were conducted: low-velocity impact tests, DCB, DMA, flexural, and density analyses. The CGGC hybrid showed a consistently high flexural modulus, ranging from 48 to 55 GPa. Conversely, the CBGGBC hybrid displayed different bending behavior, with higher bending forces from 840 to 1550 N and a flexural modulus between 3.3 and 6.3 GPa. Comparative analysis of thermomechanical and DCB results highlighted the significant effect of Bambusa vulgaris fibers, with a two-tailed t -test at α = 0.05 confirming that fibers from 7-year-old Bambusa vulgaris significantly influenced the composites’ thermomechanical and mechanical properties.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Mechanical Behavior of Composites · Structural Analysis of Composite Materials · Cellular and Composite Structures
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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