Acoustic-emission testing of solebars with boxlike cross sections

Степанова, Л. Н.; Grassman, S. A.; Kabanov, S. I.; Bobrov, A. L.; Bekher, S. A.; Bolchanov, A. A.

doi:10.1134/s1061830911030090

Cited by 6 publications

(2 citation statements)

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“…Для каждого источника определяется число сигналов N x и дополнительные энергетические параметры. Оценка проводится по принципу, заложенному в интегральном методе оценки [12].…”

Section: постановка задачиunclassified

Using the AE method to increase the lifetime of complex-shaped steel parts

Bobrov¹

2016

DREAM

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The author has developed way to extend the life of cast components of freight car bogies using acoustic emission method. The proposed modified integral method of the determination state of the cast parts truck freight wagons in the parameters of acoustic emission signals the most loaded sections. Present a study at developing criteria for assessing the state of the cast parts and the results of the application on real details. Abramov O.V., Gradov O.M. Identification of some processes of evolution of imperfect material structure with sources of spontaneous acoustic signals. Kontrol. Diagnostika, 2000, no. 6, pp. 15-21. (In Russian). 7.Berman A.V., Berman D.V., Artemenko A.I., Shakhmeister Yu.L., Vorontsova I.A., Berman O.A., Shteintsaig R.M., Khaspekov P.R. A method for predicting the residual life of steelworks, RF Patent 2193772. (In Russian). 8.Robsman V.A. Nonlinear transformation of acoustic emission probability distributions with the evolution of the defect ensemble in a solid. Acoustical Physics, 1996, vol. 42, no. 6, pp. 749-754. 9.Stepanova L.N., Bobrov A.L., Kanifadin K.V., Chernova V.V. Studying the principal parameters of acoustic emission signals in the static and cyclic testing of 20GL steel specimen.

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Section: постановка задачиunclassified

Using the AE method to increase the lifetime of complex-shaped steel parts

Bobrov¹

2016

DREAM

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“…During the performance verification of such sensors, the so-called Hsu-Nielsen test is used, and the range of AE signal is assessed. Also, an electronic emitter completed with a special AE system can be employed while performing the calibration [4].…”

Section: Introductionmentioning

confidence: 99%

Development of methodology for the calculation and experimental investigation of acoustic emission signals

Bekher

Sych

2017

AIP Conference Proceedings

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Abstract.The results of application of computational methods for modeling acoustic emission signals are discussed by addressing the issue of analyzing the impact of boundary conditions on the calculation results. A method, based on analyzing the autocorrelation dependencies, for performing the relative calibration of acoustic emission sensors and for estimating their amplitude-frequency characteristic using a noise source is proposed. The results of relative calibration of several acoustic emission sensors performed using the proposed calibration method are reported.

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