Complex Analysis of Fracture of Solebars in Different Strength States Using Measurements of Acoustic Emission

S. A. Nikulin; A. B. Rozhnov; A. V. Nikitin; V. G. Khanzhin; S. O. Rogachev; V. Yu. Turilina; V. I. Anikeenko

doi:10.1007/s11041-018-0262-x

Complex Analysis of Fracture of Solebars in Different Strength States Using Measurements of Acoustic Emission

Авторы: Nikulin S.A.¹, Rozhnov A.B.¹, Nikitin A.V.¹, Khanzhin V.G.¹, Rogachev S.O.¹, Turilina V.Y.¹, Anikeenko V.I.¹
Учреждения:
1. National Research Technological University “MISiS”
Выпуск: Том 60, № 3-4 (2018)
Страницы: 209-215
Раздел: 100th ANNIVERSARY OF THE DEPARTMENT OF METALS SCIENCE AND STRENGTH PHYSICS OF THE MOSCOW INSTITUTE OF STEEL AND ALLOYS
URL: https://ogarev-online.ru/0026-0673/article/view/236316
DOI: https://doi.org/10.1007/s11041-018-0262-x
ID: 236316

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Joint analysis of acoustic emission (AE), strain diagrams, structures and fractures is used to study the kinetics and mechanisms of fracture of specimens, fragments and unit-cast railroad car solebars from steel 20GL in different strength states. A system of AE monitoring of damage of solebars during motion of the train is developed and applied. The crack sizes are determined by measuring peak amplitudes of acoustic emission.