Effect of impact position on the mechanical response and viscoelastic behavior of double‐blade composite stiffened structures
Chunxing Hu,
Zhonghai Xu,
Chaocan Cai
et al.
Abstract:This paper focuses on the mechanical response and viscoelastic properties of double‐blade composite stiffened structure (DCSS) under low‐velocity impact (LVI). Firstly, the impact resistance and viscoelastic behavior of the DCSS are revealed by LVI testing at four different locations using the same initial velocity. Next, the damage morphologies at the impact locations are observed with ultrasonic A‐ and C‐scan equipment and optical microscopy. At last, the DCSS containing impact damage is implemented for axia… Show more
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