Carbon nanotubes (CNT) and their mechanical properties have been investigated from 1990s. Previously they have been used as reinforcements in polymer and ceramic matrices. Nowadays CNT-reinforced aluminium alloys have promising perspectives for an application in many industrial sectors such as aerospace, automotive and electronics industries. Unfortunately the material data provided by manufacturers very often do not contain all necessary information to predict the behaviour of nanocomposite materials using different analyses tools. Additionally, due to high costs of nanocomposites, their experimental testing with conventional fracture methods suffers from high expenses too. On this reason different nondestructive techniques for the material properties characterisation have been developed and adapted for the testing of nanocomposite samples with small dimensions. There are static approach using three-point-bending test and two dynamic methods, namely, impulse excitation method and inverse technique based on the planning of experiments and response surface methodology.