Experimental research of the influence of the strength of ore samples on the parameters of an electromagnetic signal during acoustic excitation in the process of uniaxial compression

Experimental research of the influence of the strength of ore samples on the parameters of an electromagnetic signal during acoustic excitation in the process of uniaxial compression

Sonraí bibleagrafaíochta
Parent link:	IOP Conference Series: Materials Science and Engineering Vol. 289 : Modern Technologies for Non-Destructive Testing.— 2018.— [012025, 10 p.]
Príomhchruthaitheoir:	Yavorovich L. V. Ludmila Vasilievna
Údar corparáideach:	Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
Rannpháirtithe:	Bespalko (Bespal'ko) A. A. Anatoly Alekseevich, Fedotov P. I. Pavel Ivanovich
Achoimre:	Title screen Parameters of electromagnetic responses (EMRe) generated during uniaxial compression of rock samples under excitation by deterministic acoustic pulses are presented and discussed. Such physical modeling in the laboratory allows to reveal the main regularities of electromagnetic signals (EMS) generation in rock massive. The influence of the samples mechanical properties on the parameters of the EMRe excited by an acoustic signal in the process of uniaxial compression is considered. It has been established that sulfides and quartz in the rocks of the Tashtagol iron ore deposit (Western Siberia, Russia) contribute to the conversion of mechanical energy into the energy of the electromagnetic field, which is expressed in an increase in the EMS amplitude. The decrease in the EMS amplitude when the stress-strain state of the sample changes during the uniaxial compression is observed when the amount of conductive magnetite contained in the rock is increased. The obtained results are important for the physical substantiation of testing methods and monitoring of changes in the stress-strain state of the rock massive by the parameters of electromagnetic signals and the characteristics of electromagnetic emission.
Teanga:	Béarla
Foilsithe / Cruthaithe:	2018
Ábhair:	электронный ресурс труды учёных ТПУ экспериментальные исследования прочность руды электромагнитные сигналы акустическое возбуждение одноосное сжатие горные породы напряженно-деформированные состояния электромагнитные излучения
Rochtain ar líne:	http://dx.doi.org/10.1088/1757-899X/289/1/012025 http://earchive.tpu.ru/handle/11683/47001
Formáid:	Leictreonach Caibidil leabhair
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=657679

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