Zobrazeno 1 - 10
of 24
pro vyhledávání: '"I. O. Bolotina"'
Spheroid Ductile Cast Iron finds increasingly industrial use as a high strength material of high fatigue resistance. The material properties can be designed by density, shape and size of the graphite spheres—the nodularity—and the matrix microstr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e1b235b7ffd4cbc720d90eb7aff109a
https://publica.fraunhofer.de/handle/publica/260933
https://publica.fraunhofer.de/handle/publica/260933
Autor:
Victoria A. Portenko, I. O. Bolotina
Publikováno v:
Key Engineering Materials. 769:269-274
The article reviews various defect types in metal billets. They are classified into production, technological and operational ones. Definitions to more than 40 types of defects were given.
Publikováno v:
Journal of Petroleum Science and Engineering. 161:497-505
The paper proposes a method of passive leak detection for underwater pipelines by means of phased antenna arrays. It implies element-wise multiplication and addition of the output signals of individual array transducers. The proposed method provides
Autor:
K.G. Kvasnikov, Georgii E. Osokin, H. Michael Kroening, I. O. Bolotina, Anastasia A. Steinbrecher
Publikováno v:
Key Engineering Materials. 685:70-74
The article considers the reconstruction of images by Synthetic Aperture Focusing Technique (SAFT). The work compares additive and multiplicative methods for processing signals from antenna array. We have proven that the multiplicative method gives b
Publikováno v:
Physics Procedia. 70:484-487
Spent nuclear fuel (SNF) is one of the most hazardous types of nuclear power plant waste. This fact emphasizes the importance of careful handling and storage of SNF. There are two current state-of-the art technologies of SNF storage facility: wet and
Publikováno v:
Advanced Materials Research. 1040:959-964
The results of numerical simulation of an antenna array radiation pattern in impulse mode by the method of sampling phased array signal processing are represented in this paper. The studies of array parameters impact (the number of elements and the d
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 516:012003
This paper represents the concept of an intelligent system for manufacturing components with the complex shape that combines automated technological operation and nondestructive testing modules. The engineering solution for development of the automat
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 516:012016
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 511:012043
Publikováno v:
Russian Journal of Nondestructive Testing. 49:625-630
Recently, antenna arrays with computer processing of acoustic signals with subsequent visualization of a test zone have been widely used in the control of ultrasound waves. The authors present the results of studies on the determination of the trajec