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Wavelet Packet Analysis of Shotcrete-Rock Structures Using the Impact-Echo Method

期刊: RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING, 2021; 57 (1)

In this study, the contact quality of shotcrete-rock structures is studied using the impact-echo method (IE) to detect defects in shotcrete with a thi......

Nondestructive Detection of Depth-Dependent Defects in Carbon-Fiber-Reinforced Polymer Composites by Terahertz Time-Domain Spectroscopy

期刊: RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING, 2021; 57 (5)

Terahertz (THz) time-domain spectroscopy was used to detect the artificially pre-embedded circular polytetrafluoroethylene (PTFE) slice defects at dif......

Study on the Aging Degree of Historical Silk by the Surface Resistance Method

期刊: RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING, 2021; 57 (5)

The existing historical silk, which has great historical and academic research value, is an indispensable and important carrier for the study of globa......

Volume Fraction Detection of Long Period Stacking Ordered Phases in Mg Alloys Based on Dual-Tree Complex Wavelet Packet Transform

期刊: RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING, 2021; 57 (4)

The existence of long period stacking ordered (LPSO) strengthening phases greatly improves the mechanical properties of Mg alloys, such as tensile str......

Estimation Method of Mechanical Properties of Ferromagnetic Materials Based on Pulsed Eddy Current

期刊: RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING, 2021; 57 (2)

In the current steel industry production, the detection of the mechanical properties of ferromagnetic materials relies on destructive testing, which g......

The Law of Response of Propagation Time and Amplitude of Ultrasonic L-CR Wave in the Elastic-Plastic Deformation of X70 Steel

期刊: RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING, 2021; 57 (2)

Nowadays X70 steel has been used as a core material for the construction of high-pressure, large-diameter and high-strength steel pipelines. The wall ......

Forward Simulation Signal of Underground Pipeline Based on Ground Penetrating Radar

期刊: RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING, 2020; 56 (11)

The ground penetrating radar was applied to the detection of underground pipeline. The signal of ground penetrating radar was analyzed to simulate the......

Correction for Microstructure Effect on Residual Stress Measurement of SR-FSW Joint with L-cr Wave

期刊: RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING, 2020; 56 (2)

Correction method for microstructure effect on residual stress of self-reacting friction stir weld joint measured with longitudinal critically refract......

Experimental Study on Acoustic Emission Characteristics of Bond-Slip for BFRP Concrete

期刊: RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING, 2020; 56 (2)

The research on the bond slip characteristics of BFRP concrete mainly focuses on mechanical properties. There has been no effective technology to stud......

Evaluation of Progressive Damage and Identification of Failure Mechanisms in Carbon Fiber Woven Composites via Tensile Test

期刊: RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING, 2020; 56 (3)

Due to the widespread application of carbon fiber woven composites in aerospace, automobile and industrial area, understanding the damage evolution of......

Laser Ultrasonic Nondestructive Testing Based on Nonlinear Ultrasonic Coefficient

期刊: RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING, 2020; 56 (3)

Laser ultrasonic nondestructive testing technology can effectively detect the location of cracks and other information, it is easy to realize the qual......

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

期刊: RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING, 2020; 56 (4)

The ferrite magnetic tiles are widely used in industry field. At present, the defects detection in ferrite magnetic tile surfaces is done by manual wo......

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

期刊: RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING, 2020; 56 (4)

Austenitic boiler tubes are key components in modern coal-fired power plants but often suffer from blockage or even rupture caused by the accumulation......

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

期刊: RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING, 2020; 56 (4)

The automatic phased array ultrasonic testing method has been developed for inspecting the pipe welds with complex geometry. Applying time of flight d......

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

期刊: RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING, 2020; 56 (4)

To investigate the effect of basalt fiber on the fracturing process and damage mechanism of cement-based materials under axial compression, acoustic e......

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