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Residual stresses in a silicon carbide/aluminum (SiC) composite introduced by the cooling process were investigated. The large mismatch of the coefficients of thermal expansion (CTE) between the silicon carbide (SCS-2) fiber and 6061 aluminum matrix tends to produce high residual stresses so that plastic flow of the matrix is inevitable during cool down.The elastoplastic behavior of the composite...
A discrete ray tracing model based on elastodynamic ray theory was developed and applied to a composite material with fibre waviness. The varying anisotropy of this composite causes the ultrasonic waves to travel along curved paths. Particular attention was paid to the comparison with experimental measurements in order to check the applicability of the method for non-destructive characterization...
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