Contents

Russian Journal of Nondestructive Testing

Vol. 57, No. 7, 2021

Acoustic Methods

On the Use of Structural Noise Parameters in Testing 20GL Steel with Rayleigh Surface Waves under Elastoplastic Deformation

A. A. Khlybov and A. L. Uglov p. 517  abstract

Theoretical and Experimental Studies of the Bone Damage Detection by the Ultrasonic Method

Lahcen Mountassir, Touriya Bassidi and Hassan Nounah p. 525  abstract

Ultrasonic Measurement Optimization of Spot Welding Diameter of Thin Plate Based on Gain Compensation Algorithm

Gang Wu, Dongdong Zhang and Shanyue Guan p. 541  abstract

Electromagnetic Methods

On Calculating the Field of a Finite Magnetic Cylinder with an Internal Coaxial Cylindrical Defect

V. V. Dyakin, O. V. Kudryashova and V. Ya. Raevskii p. 551  abstract

Mathematical Description and Analysis of Vibration-Induction Transducer Signal Due to Normal Component of Magnetic Scattering Fluxes over a Defective Section

Yu. L. Nikolaev, P. N. Shkatov, E. F. Akhmetshina and A. A. Samorukov p. 561  abstract

Ultrasonic and Eddy-Current Fatigue Monitoring of Austenitic Steel Welded Joints

A. V. Gonchar, V. A. Klyushnikov, V. V. Mishakin and M. S. Anosov p. 570  abstract

Radiation Methods

Simulation Model for Evaluation of Nonmonoenergeticity and Scattering Artifacts in Computer Tomography

S. P. Osipov, Kh. D. Mirzoev, S. V. Chakhlov, O. S. Osipov and E. Yu. Usachev p. 579  abstract

Application of Polytetrafluoroethylene for Dosimetry by 19F NMR Data

A. Yu. Germov, K. N. Mikhalev, R. V. Skoryunov, I. I. Milman, R. M. Abashev, A. I. Surdo, A. S. Snegirev and E. N. Agdantseva p. 595  abstract

Fast Method to Reconstruct and Enhance CT Images: Applied to Metal Artifact Reduction

A. Benammar, A. Allag, I. Araar, H. Merabti, A. Benyahia and N. Mazouz p. 600  abstract

Thermal Methods

Enhancing IR Thermographic Inspection of Subsurface Defects by Using the Technique of Edge Detection

P. Bagavac, L. Krstulović-Opara and Ž. Domazet p. 609  abstract

Method and Equipment for Infrared and Ultrasonic Thermographic Testing of Large-Sized Complex-Shaped Composite Products

A. O. Chulkov, D. A. Nesteruk, B. I. Shagdyrov and V. P. Vavilov p. 619  abstract

Chirp Z Transform Based Barker Coded Thermal Wave Imaging for the Characterization of Fiber Reinforced Polymers

Sk. Subhani, Rama Chaithanya Tanguturi and V. S. Ghali p. 627  abstract