Figures & data
Table 1. Physical properties of studied samples: Glass fiber epoxy composites (G1 and G2), UD flax epoxy composite (UF) and cross-ply flax epoxy composite (CF).
Figure 1. Standing wave apparatus with (a) large tube for low frequency range and (b) small tube for high frequency range.
Figure 2. Sound absorption coefficients of samples at different frequencies.
Figure 3. Noise reduction coefficients (NRC) for all samples.
