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TESTING AND MEASURING Certification of stitched Composite Aircraft Structures based on multiscale Damage Analysis 

Ein Gastbeitrag von A. Saboktakin, F. Kalaoglu, Istanbul, Turkey, M. Shahrooz, S. Farahat, Zahedan, Iran 0 min Lesedauer

The certification of stitched composites for aircraft structure is still problematic due to the lack of dependable unknown manufacturing factors that can considerably influence their performance. In this research, the mechanical properties of specific stitching configuration using multiscale modeling are discussed

Figure 2. Multiscale analysis strategy adopted for the aircraft structure accompanied with SEM images of stitched textile fabric and the stitched composite cut through a stitching site.(Bild:)
Figure 2. Multiscale analysis strategy adopted for the aircraft structure accompanied with SEM images of stitched textile fabric and the stitched composite cut through a stitching site.
(Bild:)

Over the past decade, the delamination damages in laminated composite materials have been resolved by three-dimensional (3D) textile composite, caused by substantial interlaminar resistance of plain textile composite. The plain textile fabric consists of weft fibers and warps twisted on to each other [1].