Vol. 56, No. 4, 2020

Russian Journal of Nondestructive Testing

Procedure for Determining the Factor of Correction for Geometric Dispersion of Speed of Sound in Compact Concrete Products

V. K. Kachanov, I. V. Sokolov and S. A. Fedorenko p. 299 abstract

Reducing the Level of Weakly Changing Noise by the Decorrelation Method during Ultrasonic Monitoring Using Antenna Arrays

E. G. Bazulin p. 310 abstract

Experimental Study on Damage Mechanism of Basalt Fiber Reinforced Mortar Based on Acoustic Emission Wavelet Energy Spectrum Analysis

Wang Yan, Yan Chao, Wang Na, Zhang Ting Ting and Yao Fei p. 318 abstract

Reconstructing Defect Radiation Amplitude Based on Acoustic Emission Signals under Conditions of a Plane Stress State

V. N. Berkovich and S. I. Builo p. 328 abstract

Research on Scanning Path of Automatic Phased Array Ultrasonic Testing of Pipe Welds with Complex Geometry

Yakun Shi, Xiaohong Li and Jun Zhang p. 340 abstract

Measurement of Accumulated Height of Exfoliated Oxide Scales in Austenitic Boiler Tubes Using Pulsed Eddy Current Testing

Zhiyuan Xu and Jingzhe Zhu p. 350 abstract

Inspection and Monitoring of Concrete Structures via Radiography and Weighted Nuclear Norm Minimization Method

Amir Movafeghi, Effat Yahaghi, Behrouz Rokrok and Mahdi Mirzapour p. 361 abstract

Influence of the Mechanical Error on Performance of Beta Thickness Gauging and the Prediction of System Operation Time

S. Z. Islami Rad p. 369 abstract

Error Measurement of LCC Resonant Converter for X-Ray

C. Bhuvaneswari and R. S. R. Babu p. 375 abstract

Ferrite Magnetic Tile Defects Detection Based on Nonsubsampled Contourlet Transform and Texture Feature Measurement

Xueqin Li, Zhen Liu, Guofu Yin and Honghai Jiang p. 386 abstract