Contents

Russian Journal of Nondestructive Testing

Vol. 56, No. 1, 2020

Acoustic Methods

Numerical Simulation of Ultrasonic Pile Integrity Testing

I. N. Lozovsky, R. A. Zhostkov and A. A. Churkin p. 1  abstract

Nonсontact Spectral Express Method for Detecting Corrosion Damage to Metal Products

G. M. Suchkov, R. P. Migushchenko, O. Yu. Kropachek, S. Yu. Plesnetsov, Z. V. Bilyk, Yu. E. Horoshailo, S. A. Efimenko and Salam Boussi p. 12  abstract

Dispersion Equation for Longitudinal Waves in a Layered Medium with Inhomogeneous Boundary Conditions in Different Propagation Directions

K. E. Abbakumov and A. V. Vagin p. 20  abstract

Calculating the Influence of Refractions and Reflections from Curvilinear Surfaces of Shells of Revolution on Acoustic Field

A. V. Michurov and A. V. Sokolkin p. 28  abstract

Determining Friction Coefficient at Run-In Stage and Diagnosing the Point of Transition to Steady-State Phase Based on Acoustic Emission Signals

S. I. Builo, V. D. Vereskun, V. I. Kolesnikov, D. S. Manturov and O. N. Popov p. 41  abstract

Electromagnetic Methods

Hysteretic Interference of Magnetic Field of a Moving Linear Inductor

V. V. Pavlyuchenko and E. S. Doroshevich p. 49  abstract

Thermal Methods

Applying Ultrasonic Thermotomography and Electric-Loading Thermography for Thermal Characterization of Small-Sized Defects in Complex-Shaped Spatial Composite Structures

V. O. Kaledin, E. A. Vyachkina, E. S. Vyachkin, O. N. Budadin and S. O. Kozel’skaya p. 58  abstract

Investigation of the Possibility of the Insecticide Diagnosis Using Infrared Thermography

Naeimeh Gholamrezaei, Kazem Jafarinaeimi, Kamal Ahmadi, Mojtaba Barkhordari Yazdi and Hadis Mohseni p. 70  abstract

Radiation Methods

Defect Detection by Combination of Threshold and Multistep Watershed Techniques

M. R. Mohebbifar and K. Omarmeli p. 80  abstract

Optimizing Radiographic Sensitivity in the In-Service Testing of Pipes

Tariq O. Mousa, M. S. Mohammed and Mohammad S. Aljohani p. 92  abstract