Search Results - "Shchipakov, N. A."

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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Classification and Sizing of Surface Defects in Pipelines Based on the Results of Combined Diagnostics by Ultrasonic, Eddy Current, and Visual Inspection Methods of Nondestructive Testing by Krysko, N. V., Skrynnikov, S. V., Shchipakov, N. A., Kozlov, D. M., Kusyy, A. G.

“…The issues of classification and characterization of surface operational defects according to the results of ultrasonic, eddy current, and visual inspection…”
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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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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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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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On the Possibility of Using Ultrasonic Surface and Head Waves in Nondestructive Quality Checks of Additive Manufactured Products by Aleshin, N. P., Grigor’ev, M. V., Shchipakov, N. A., Krys’ko, N. V., Krasnov, I. S., Prilutskii, M. A., Smorodinskii, Ya. G.

“…The possibilities and limitations of applying head and surface waves to ultrasonic inspection of articles manufactured by selective laser alloying are…”
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Defects of heat-resistant alloys synthesized by the method of selective laser melting by Alyoshin, N. P., Murashov, V. V., Grigoryev, M. V., Yevgenov, A. G., Karachevtsev, F. N., Shchipakov, N. A., Vasilenko, S. A.

“…Defects of heat-resistant alloys synthesized by the method of selective laser melting are studied. It is shown that the main defects were pores and cracks in…”
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Acoustic emission monitoring of damaging of fiberglass by Kholodov, S. S., Grigor’ev, M. V., Shchipakov, N. A., Yakovlev, N. O., Lutsenko, A. N.

“…The results of studies on determining the nucleation moment of microcracks in fiberglass are presented on the basis of a full-strength glassfiber mat and vinyl…”
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The classification of flaws of metal materials synthesized by the selective laser melting method and the capabilities of nondestructive testing methods for their detection by Aleshin, N. P., Murashov, V. V., Evgenov, A. G., Grigoriev, M. V., Shchipakov, N. A., Vasilenko, S. A., Krasnov, I. S.

“…Flaws in metal parts that are typical for the selective laser melting technique are considered. The flaws are divided into four groups by the degree of their…”
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