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title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Diagnostics of structural materials damage using acoustic anisotropy
Creators: name: Ð¡ÐµÐ»Ð¸Ð²Ð°Ð½Ð¾Ð², ÐÐ½Ð´ÑÐµÐ¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2019
Subjects: Ð°ÐºÑÑÑÐ¸ÑÐµÑÐºÐ°Ñ Ð°Ð½Ð¸Ð·Ð¾ÑÑÐ¾Ð¿Ð¸Ñ
Ð½ÐµÑÐ°Ð·ÑÑÑÐ°ÑÑÐ¸Ð¹ Ð¼ÐµÑÐ¾Ð´
Ð°ÐºÑÑÑÐ¾ÑÐ¿ÑÑÐ³Ð¾ÑÑÑ
Ð¾Ð´Ð½Ð¾Ð¾ÑÐ½Ð¾Ðµ ÑÐ°ÑÑÑÐ¶ÐµÐ½Ð¸Ðµ
ÑÐµÐ½Ð·Ð¾Ñ Ð¿Ð¾Ð²ÑÐµÐ¶Ð´ÐµÐ½Ð½Ð¾ÑÑÐ¸
acoustic anisotropy
non-destructive method
customroot
uniaxial tension
the tensor of damage

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description: Final qualifying work is devoted to the study of structural materials damage using acoustic anisotropy. The literature review, which deals with fundamental work on the acoustic anisotropy, the method of acoustoelasticity, customplugin properties of structural materials, methods of customroot and study of the dependence of the acoustic anisotropy in materials from various factors. For observation, the installation for measuring the velocities of longitudinal and transverse waves was used, for uniaxial monotonic loading the test machine Instron was used.

The measurement of acoustic anisotropy carried out processing of results of experiments conducted on the apparatus for measuring the speeds of transverse and longitudinal waves. The relations connecting the velocities of ultrasonic waves in materials with the main values of the damage tensor are obtained.

It is established that in the samples from industrial rolled products after destruction as a result of uniaxial tension the essentially nonlinear distribution of acoustic anisotropy is revealed.

It is shown that damages can be used at quality control of industrial metal rolling along with the parameter of acoustic anisotropy.