Search Results - "Aleshin, N. P."

Elastic-Wave Scattering by a Plane Crack: Application of Flaw Detection by Aleshin, N. P., Mogilner, L. Yu

“…The 3D problem of elastic wave scattering by a crack in the form of a half-plane in an elastic medium is considered. It is noted that the previously published…”
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Modeling Propagation of Ultrasonic Waves in Anisotropic Material of Additive Manufactured Products by Aleshin, N. P., Shchipakov, N. A., Degtyarev, M. N.

“…Possible causes of anisotropy of acoustic properties in additive manufacturing products are considered. Based on acoustic measurements, the type of elastic…”
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Ultrasonic Testing of Welds in Multilayer Polyethylene Pipe by Aleshin, N. P., Shchipakov, N. A., Semenov, N. A.

“…Quality control of welds in multilayer polyethylene pipelines is considered; specifically, butt welds are produced by a hot tool. Besides monitoring of the…”
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Ultrasonic Testing of Welded Joints in Polyethylene Pipe by Aleshin, N. P., Kozlov, D. M., Mogilner, L. Yu

“…The reliability of ultrasonic testing (UST) of the quality of welded joints of polyethylene pipelines, made end-to-end with а heated tool, is considered in…”
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A General Solution of the Problem of Elastic-Wave Scattering by a Plane Crack by Aleshin, N. P., Kirillov, A. A., Mogilner, L. Yu, Savelova, E. P.

“…The 3D problem of elastic-wave scattering by cracks in a homogeneous isotropic medium is considered. Using the method of Green’s function and specially…”
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Studying Detectability of Plane Surface Defects by Ultrasonic Method Using Rayleigh Waves by Aleshin, N. P., Krysko, N. V., Skrynnikov, S. V., Kusyy, A. G.

“…The problems of detecting operational plane surface defects by the ultrasonic method of nondestructive testing with the use of Rayleigh surface waves generated…”
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Investigating the Detectability of Surface Volumetric Defects in Ultrasonic Testing with the Use of Rayleigh Waves Generated by an Electromagnetic-Acoustic Transducer by Aleshin, N. P., Krysko, N. V., Kusyy, A. G., Skrynnikov, S. V., Mogilner, L. Yu

“…—The paper presents the results of studying the detectability of surface volumetric defects by ultrasonic method of nondestructive testing. The possibility of…”
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Assessing Reliability of Testing Welded Joints of Steel Tank Walls Using Ultrasonic and Eddy Current Methods by Aleshin, N. P., Mogilner, L. Yu, Krysko, N. V., Pridein, O. A., Idrisov, M. T., Kusyy, A. G.

“…The results of the combined application of ultrasonic and eddy current flaw detection to increase the detectability of surface cracks in welds of small…”
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On Interaction of Elastic Waves with “Semitransparent” Defects by Aleshin, N. P., Mogilner, L. Yu, Krysko, N. V.

“…The issues of identifying discontinuities that partially transmit ultrasonic waves are examined. Such defects are widespread in various products and welded…”
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Possibilities for Testing Welded Joints of the Walls of Steel Tanks Using Ultrasonic and Eddy Current Methods by Aleshin, N. P., Mogilner, L. Yu, Krysko, N. V., Pridein, O. A., Idrisov, M. T., Kusyy, A. G.

“…Using the example of quality control of butt welds, we consider the possibility of increasing the rate of detection of defects in welded joints of small…”
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Experimental Study of Diffraction of Elastic Waves on Crack Model by Aleshin, N. P., Krysko, N. V., Kozlov, D. M., Kusyy, A. G.

“…Small-opening slots have been used to simulate cracks in butt welds. The influence of the orientation of the slot ribs on their detectability with pulse echo…”
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On Use of Slots in Modelling Cracks in Ultrasonic Testing by Aleshin, N. P., Mogil’ner, L. Yu, Shchipakov, N. A., Kusyi, A. G., Tishkin, V. V., Degtyarev, M. N.

“…The possibility of a rigorous theoretical solution of the three-dimensional problem of scattering of elastic waves at the tip of a vertical crack in a weld is…”
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Thermodynamic Modeling of the Formation of Chromium Carbides in an Applied Metal Layer by Aleshin, N. P., Kobernik, N. V., Pankratov, A. S., Petrova, V. V.

“…The use of chromium carbides to harden surfaced metal that is subject to abrasive wear is considered. With correct hardening of the applied layer, carbide…”
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Interaction of Elastic Vibrations with the Object’s Surface in Acoustic Nondestructive Monitoring by Aleshin, N. P., Grigor’ev, M. V., Krys’ko, N. V., Kusyi, A. G.

“…A model is developed to describe the refraction of an elastic transverse wave by an immersed concave cylindrical surface. The wave may be incident on the…”
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Studies of Diffraction Methods of Ultrasonic Testing Applied for Revealing Artificial Defects Simulating Fractured Oxide Films in a Friction Stir Weld by Aleshin, N. P., Bakshaev, V. A., Grigor’ev, M. V., Shchipakov, N. A., Brovko, V. V., Tishkin, V. V.

“…Agglomerations of oxide films are some of the typical defects of friction stir welding. The structure of such defects and their small opening do not allow…”
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Some Specific Features of Studying Additive-Manufactured Parts by X-Ray Computed Tomography by Aleshin, N. P., Grigor’ev, M. V., Krupnina, O. A., Shchipakov, N. A.

“…Results of the tomographic inspection of a prototype sample additive manufactured by selective laser alloying have been evaluated. Specific features of…”
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Applying nondestructive testing to quality control of additive manufactured parts by Aleshin, N. P., Grigor’ev, M. V., Shchipakov, N. A., Prilutskii, M. A., Murashov, V. V.

“…Possibilities, application domains, advantages, and limitations are considered for currently used physical methods of nondestructive testing of additive…”
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Modification of Weld Metal with Tungsten Carbide and Titanium Nitride Nanoparticles in Twin Submerged Arc Welding by Aleshin, N. P., Grigor’ev, M. V., Kobernik, N. V., Mikheev, R. S., Pankratov, A. S., Samokhin, A. V., Alekseev, N. V., Sinaisky, M. A.

“…The influence of tungsten carbide and titanium nitride nanoparticles on the structure and properties of the weld metal of welded joints made by automatic twin…”
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Using nondestructive testing methods for in-production quality control of additive manufactured parts by Aleshin, N. P., Grigor’ev, M. V., Shchipakov, N. A., Prilutskii, M. A., Murashov, V. V.

“…Peculiarities of additive technologies are considered, and the most typical flaws are listed. The possibility of layer-by-layer nondestructive testing of parts…”
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Experimental research into possibilities and peculiarities of ultrasonic testing of additive manufactured parts by Aleshin, N. P., Murashov, V. V., Shchipakov, N. A., Krasnov, I. S., Lozhkova, D. S.

“…Possibilities and peculiarities of ultrasonic testing of parts manufactured by selective laser melting are considered. Special features of revealing solidity…”
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