Contents

Russian Journal of Nondestructive Testing

Vol. 62, No. 4, 2026

ACOUSTIC METHODS

Optimization of the Nonuniform Matrix Phased Array Layout for Efficient Volumetric Ultrasonic Imaging

D. O. Dolmatov p. 419  abstract

Acoustic Methods of Nondestructive Testing and Defect Detection for Lightweight Composite Sandwich Panels

V. O. Nekhoroshev, R. K. Belikov, D. A. Derusova, V. Yu. Shpilnoy, and D. V. Ermakov p. 427  abstract

Estimation of the Size of Defect Models in the Testing of Pipelines by Torsional Waves

V. Yu. Chertishchev, P. V. Solomenchuk, V. A. Strizhak, and S. A. Murashov p. 442  abstract

Ultrasonic Acoustoelastic Coefficients for Stress Evaluation in Concrete Member Subjected to Flexural Loading

Aayush Joshi, Kranti Jain, Ajay Chourasia, and Manoj Kumar Panda p. 452  abstract

Nonlinear Ultrasonic Evaluation of Early Corrosion Evolution in Aluminum Alloy Plates using the Zero-Frequency Component

Peng Jiang, Deyu Sun, Heyu Cao, Luying Zhang, and Wei Li p. 465  abstract

X-RAY METHODS

Nondestructive Testing of Brassica rapa L. Seeds Using Microfocus Radiography

N. S. Priyatkin, K. V. Egorova, M. V. Arkhipov, L. P. Gusakova, A. M. Artemyeva, O. B. Ivanchenko, A. D. Litvinova, and Yu. V. Chesnokov p. 481  abstract

Porosity in Castings from Silumin Group Alloys and its Assessment by X-ray Computed Tomography

N. V. Osiyanenko, E. I. Kosarina, A. A. Demidov, and A. V. Smirnov p. 489  abstract

Industrial Case Study: Rapid Diagnosis of Flow Maldistribution in an HF Alkylation Column using Radiometric Gamma Scanning

Seyedeh Zahra Islami rad, Reza Gholipour Peyvandi, and Behnam Sadeghi p. 498  abstract

ELECTROMAGNETIC METHODS

A Non-Destructive Testing Method to Measure the Electrical Conductivity of Welded Electrolytic Tough Pitch Copper joints

V. Amarnath, C. Rajendran, A. Senthilkumar, and K. Mallieswaran p. 505  abstract

Nondestructive Testing Method for Electrical Capacitance Tomography Based on Gaussian Kernel-Weighted Sensitivity Matrix

Zongshun Ling, Yang Gao, Yongzhi Luo, Qian Zhang, Ruxue Li, and Chenghua Liang p. 517  abstract

GENERAL PROBLEMS OF NONDESTRUCTIVE TESTING

Research on Crack Estimation Method of Structure based on Pulsed Vibration Excitation Method

Un Hyok Pak, Myong Guk Won, and Kyong Chol Kim p. 529  abstract