2016
DOI: 10.1134/s1061830916070044
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An electromagnetic-acoustic method for studying stress-strain states of rails

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Cited by 26 publications
(3 citation statements)
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“…The insufficiently high accuracy of techniques and the necessity of standard sample usage set bounds to their application. One of the approaches to solving problems of the stress-strain behavior and structure of metals is application of electromagnetic-acoustic (EMA) technique of ultrasound pulse excitation and registration [14,15,16,17,18,19,22,25]. Contactless EMA method of excitation-receipt does not require application of the contact liquid, thus giving the possibility to perform control procedures for rough and contaminated surfaces of objects, at high and low temperatures and for objects moving at high speeds.…”
Section: Methods and Techniquesmentioning
confidence: 99%
“…The insufficiently high accuracy of techniques and the necessity of standard sample usage set bounds to their application. One of the approaches to solving problems of the stress-strain behavior and structure of metals is application of electromagnetic-acoustic (EMA) technique of ultrasound pulse excitation and registration [14,15,16,17,18,19,22,25]. Contactless EMA method of excitation-receipt does not require application of the contact liquid, thus giving the possibility to perform control procedures for rough and contaminated surfaces of objects, at high and low temperatures and for objects moving at high speeds.…”
Section: Methods and Techniquesmentioning
confidence: 99%
“…Ультразвуковой, магнитоиндукционный и вихретоковый виды контроля широко используются для проверки рельсов в процессе эксплуатации. Кроме того, новые методы с использованием электромагнитно-акустических преобразователей, лазерных ультразвуковых преобразователей, контроля напряженного состояния [3][4][5][6][7][8][9][10][11] Целью данного исследования является обоснование возможности использования многократного зеркально-теневого метода для контроля пера подошвы рельса и выбора его параметров. В работе не рассматривается контроль центральной части подошвы, поскольку эта задача успешно решена с использованием зеркально-теневого метода (угол ввода 0° с поверхности катания) и эхометода (угол ввода 45° с поверхности катания).…”
Section: Introductionunclassified
“…On sea oil and gas complexes, and also on machine-building, chemical, petrochemical, some overworking and other enterprises volumetric hydroaggregates and automated pneumatic test facilities, which basis is constituted by driving pumps of direct reciprocating action gain distribution. Volumetric aggregates with mechanical and pneumatic actuator are effective, first of all, when using in objects with increased fire and environmental danger [9][10][11][12][13][14].…”
Section: Introductionmentioning
confidence: 99%