RU2016112815A - OPTICAL FIBER ACOUSTIC EMISSION METHOD FOR DETERMINING PLASTIC DEFORMATIONS OF LARGE ENGINEERING STRUCTURES - Google Patents

OPTICAL FIBER ACOUSTIC EMISSION METHOD FOR DETERMINING PLASTIC DEFORMATIONS OF LARGE ENGINEERING STRUCTURES Download PDF

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Publication number
RU2016112815A
RU2016112815A RU2016112815A RU2016112815A RU2016112815A RU 2016112815 A RU2016112815 A RU 2016112815A RU 2016112815 A RU2016112815 A RU 2016112815A RU 2016112815 A RU2016112815 A RU 2016112815A RU 2016112815 A RU2016112815 A RU 2016112815A
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RU
Russia
Prior art keywords
acoustic emission
plastic deformations
optical fiber
engineering structures
emission method
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RU2016112815A
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Russian (ru)
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RU2650799C2 (en
Inventor
Олег Викторович Горбачев
Сергей Яковлевич Самохвалов
Денис Иванович Артюхов
Original Assignee
Олег Викторович Горбачев
Сергей Яковлевич Самохвалов
Денис Иванович Артюхов
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Application filed by Олег Викторович Горбачев, Сергей Яковлевич Самохвалов, Денис Иванович Артюхов filed Critical Олег Викторович Горбачев
Priority to RU2016112815A priority Critical patent/RU2650799C2/en
Publication of RU2016112815A publication Critical patent/RU2016112815A/en
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Publication of RU2650799C2 publication Critical patent/RU2650799C2/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Claims (1)

Оптоволоконный акустико-эмиссионный способ контроля пластических деформаций на ранних стадиях образования дефектов больших инженерных сооружений, включающий нанесение хрупкого тензочувствительного материала, отвердение материала, определение по образующимся в нем трещинам зоны опасных пластических деформаций, отличающийся тем, что в качестве распределенного датчика акустической эмиссии используется многомодовое оптическое волокно, на которое при закреплении на инженерное сооружение наносится клейкое покрытие с большой хрупкостью после затвердевания, а для обнаружения акустико-эмиссионного сигнала используется оптоволоконное охранное устройство.Fiber-optic acoustic emission method for monitoring plastic deformations in the early stages of the formation of defects in large engineering structures, including applying brittle strain-sensitive material, hardening the material, determining the zones of dangerous plastic deformations formed in it, characterized in that a multimode optical is used as a distributed acoustic emission sensor fiber, on which, when fixed to an engineering structure, an adhesive coating is applied with large brittleness Strongly after hardening, and to detect the acoustic emission signal is a fiber optic security device.
RU2016112815A 2016-04-04 2016-04-04 Fibre optic acoustic-emission method for determining plastic deformations of large engineering structures RU2650799C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2016112815A RU2650799C2 (en) 2016-04-04 2016-04-04 Fibre optic acoustic-emission method for determining plastic deformations of large engineering structures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2016112815A RU2650799C2 (en) 2016-04-04 2016-04-04 Fibre optic acoustic-emission method for determining plastic deformations of large engineering structures

Publications (2)

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RU2016112815A true RU2016112815A (en) 2017-10-05
RU2650799C2 RU2650799C2 (en) 2018-04-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2712758C1 (en) * 2019-06-07 2020-01-31 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тюменский индустриальный университет" (ТИУ) Method of investigation of deformations and stresses by technical vision method

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2712773C1 (en) * 2019-03-18 2020-01-31 Сергей Яковлевич Самохвалов Optical fiber acoustic emission method with multilayer coating of optical fiber with substances with different brittleness
RU2752133C1 (en) * 2020-11-17 2021-07-23 Общество с ограниченной ответственностью Научно-инновационный центр "Институт развития исследований", разработок и трансферта технологий" Multichannel fiber-optic system for detecting and measuring parameters of acoustic emission signals

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2271446C1 (en) * 2004-07-27 2006-03-10 Общество с ограниченной ответственностью "ПетроЛайт" Vibroacoustic elongated object characteristics monitoring device
RU2316757C1 (en) * 2006-04-11 2008-02-10 ФГУП Сибирский научно-исследовательский институт авиации им. С.А. Чаплыгина Method of finding of preliminary damage in structures
RU2008139435A (en) * 2008-09-25 2010-03-27 Закрытое акционерное общество "ОРМА" (RU) MONITORING SYSTEM OF TECHNICAL CONDITION OF PIPELINE AND METHOD OF INSTALLATION OF TOUCH OPTICAL FIBER
JP6220334B2 (en) * 2011-07-21 2017-10-25 フィッシャー コントロールズ インターナショナル リミテッド ライアビリティー カンパニー Control valve monitoring system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2712758C1 (en) * 2019-06-07 2020-01-31 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тюменский индустриальный университет" (ТИУ) Method of investigation of deformations and stresses by technical vision method

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Effective date: 20180405