Ballistic Impact Testing and Analysis of Triaxial Braided Composite Fan Case Material

Abstract:

Abstract. Ballistic impact tests were preformed on triaxial braided composite panels using blade-like projectile in a way that approximates the impact velocity, deformation modes, and strain energy density at failure for composite fan case material during blade-out event. The failure modes are identified from impact test results. The main failure modes are fiber shear failure and matrix crush failure in the impact surface and fiber tensile failure, fiber pull-out, matrix cracking and delamination in the exit surface. Finite element model is developed to analyze the damage evolution of penetration process. It is found that the penetration process can be subdivided into 3 stages based on different damage mechanisms and the energy absorption mechanism in each phase is illustrated too.

• Periodical: Advanced Materials Research (Volumes 535-537)
• Pages: 121-132
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.535-537.121
• Online since: June 2012
• Authors: Lu Lu Liu, Hai Jun Xuan, Guang Tao Chen, Dong Ye, Wei Rong Hong, Jun Xing, Jin Wang
• Keywords: Ballistic Impact, Containment Fan Case, Damage Evolution, Finite Element Analysis (FEA), Triaxial Braided Composites

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