No abstract

The particularities of 3D-woven composite’s defects are observed. Automated ultrasonic immersion through-transmission technique for their non-destructive testing is offered. X-ray computed tomography (X-ray CT) application for the definition of the reasons of ultrasonic waves high attenuation in 3D-orthogonal woven composite sample is described. The analysis of defects detected with X-ray CT is shown. The suggestion about connection between quantity of projection of defects total area at the plane which is perpendicular to ultrasonic wave propagation and ultrasonic wave attenuation has been made.

The paper observes the issues of calculation of anomalic distribution of frequencies and sizes of defects in titanium alloy billets and forgings for gas turbine engine disks, for the case of absence of statistical information of defects detected during non-destructive testing. Deficiency evaluation method is proposed, taking into account individual scanning schemes at ultrasonic testing. A mathematical apparatus is given, which makes it possible to numerically evaluate deficiency for titanium alloy billets and disks for gas turbine engine.

No abstract

No abstract