Compressive Failure Analysis of Thin-Walled Thermosetting Composite Structures Accounting for the Preforming Effects

Wang, Zhen; Ren, Haoqian; Cao, Xi-Ao; Mei, Xuan; Zhu, Guohua; Chen, Yisong; Guo, Yingshi

doi:10.1007/s12221-023-00406-2

Fibers Polym

2023

DOI: 10.1007/s12221-023-00406-2

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Compressive Failure Analysis of Thin-Walled Thermosetting Composite Structures Accounting for the Preforming Effects

Zhen Wang,

Haoqian Ren,

Xi-Ao Cao

et al.

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2024

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Cited by 1 publication

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Structure Design on Thermoplastic Composites Considering Forming Effects

Xie,

Song,

Yang

et al. 2024

Polymers

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Carbon fiber reinforced polypropylene (CF/PP) thermoplastics integrate the superior formability of fabrics with the recoverable characteristics of polypropylene, making them a pivotal solution for achieving lightweight designs in new energy vehicles. However, the prevailing methodologies for designing the structural performance of CF/PP vehicular components often omit the constraints imposed by the manufacturing process, thereby compromising product quality and reliability. This research presents a novel approach for developing a stamping–bending coupled finite element model (FEM) utilizing ABAQUS/Explicit. Initially, the hot stamping simulation is implemented, followed by the transmission of stamping information, including fiber yarn orientation and fiber yarn angle, to the follow-up step for updating the material properties of the cured specimen. Then, the structural performance analysis is conducted, accounting for the stamping effects. Furthermore, the parametric study reveals that the shape and length of the blank holding ring exerted minimal influence on the maximum fiber angle characteristic. However, it is noted that the energy absorption and crushing force efficiency metrics of the CF/PP specimens can be enhanced by increasing the length of the blank holding ring. Finally, a discrete optimization design is implemented to enhance the bending performance of the CF/PP specimen, accounting for the constraint of the maximum shear angle resulting from the stamping process. The optimized design resulted in a mass reduction of 14.3% and an improvement in specific energy absorption (SEA) by 17.5% compared to the baseline sample.

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Structure Design on Thermoplastic Composites Considering Forming Effects

Xie,

Song,

Yang

et al. 2024

Polymers

View full text Add to dashboard Cite

show abstract

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Compressive Failure Analysis of Thin-Walled Thermosetting Composite Structures Accounting for the Preforming Effects

Cited by 1 publication

References 43 publications

Structure Design on Thermoplastic Composites Considering Forming Effects

Structure Design on Thermoplastic Composites Considering Forming Effects

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