SU794489A1 - Method of monitoring developing flaws in articles made of sheet materials - Google Patents

Method of monitoring developing flaws in articles made of sheet materials Download PDF

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Publication number
SU794489A1
SU794489A1 SU782672671A SU2672671A SU794489A1 SU 794489 A1 SU794489 A1 SU 794489A1 SU 782672671 A SU782672671 A SU 782672671A SU 2672671 A SU2672671 A SU 2672671A SU 794489 A1 SU794489 A1 SU 794489A1
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SU
USSR - Soviet Union
Prior art keywords
sheet materials
articles made
flaws
monitoring
monitoring developing
Prior art date
Application number
SU782672671A
Other languages
Russian (ru)
Inventor
Михаил Борисович Гитис
Борис Исаакович Домб
Александр Гершевич Копанский
Виталий Николаевич Соседов
Original Assignee
Всесоюзный Научно-Исследователь-Ский Институт По Разработке Нераз-Рушающих Методов И Средств Контролякачества Материалов
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Application filed by Всесоюзный Научно-Исследователь-Ский Институт По Разработке Нераз-Рушающих Методов И Средств Контролякачества Материалов filed Critical Всесоюзный Научно-Исследователь-Ский Институт По Разработке Нераз-Рушающих Методов И Средств Контролякачества Материалов
Priority to SU782672671A priority Critical patent/SU794489A1/en
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Publication of SU794489A1 publication Critical patent/SU794489A1/en

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  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Description

3434

трещина будет ориентирована вдоль либометры сигналов, соответствующих одной изthe crack will be oriented along the libometers of the signals corresponding to one of the

поперек листа.нормальных мод волны Лэмба, по которымacross the sheet. normal modes of the Lamb wave, which

Таким образом, предлагаемый способсуд т о дефекте, отличающийс  тем, позвол ет определить характер развиваю-что, с целью определени  характера развищихс  дефектов в листовых издели х и по- 5ти  дефекта и повышени  точности контровысить точность контрол  за счет уменьще-л , предварительно определ ют основные ни  вли ни  на результаты контрол  местапервые две составл ющи.е спектра нормальрасположени  дефекта и характера его раз-ных мод, принимают сигналы этих мод, а о вити .дефекте суд т по результатам сравнени Thus, the proposed method of defect, which differs in that, allows one to determine the nature of the develop- ing, in order to determine the nature of the developing defects in sheet products and a 5-fold defect and to improve the accuracy of the contrast, the control accuracy is reduced by The main effects on the results of monitoring the location of the first two components of the spectrum of the normal position of the defect and the nature of its different modes receive signals from these modes, and the defect is judged by the results of the comparison.

Claims (1)

Формула изобретени Источники информации,Invention Formula Sources of Information Способ контрол  развивающихс  дефек- 1. Методы неразрущающих испытаний,The method of control for developing defective- 1. Non-destructive testing methods, тов в издели х из листовых материалов, за-Под ред. Р. Шарна. М., «Мир, 1972, с. 123.Commodity in products from sheet materials, for-Ed. R. Sharna. M., “Peace, 1972, p. 123. ключающийс  в том, что принимают сигна- 152. Авторское свидетельство СССРThe key is that they take signal-152. USSR author's certificate лы акустической эмиссии и измер ют пара-№ 547691, кл. j 01N 29/04, 1974 (прототип).acoustic emission and measure the pair-No. 547691, cl. j 01N 29/04, 1974 (prototype). 794489794489 10прин тых сигналов.10 signals received. прин тые во внимание при экспертизеtaken into account in the examination
SU782672671A 1978-10-10 1978-10-10 Method of monitoring developing flaws in articles made of sheet materials SU794489A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU782672671A SU794489A1 (en) 1978-10-10 1978-10-10 Method of monitoring developing flaws in articles made of sheet materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU782672671A SU794489A1 (en) 1978-10-10 1978-10-10 Method of monitoring developing flaws in articles made of sheet materials

Publications (1)

Publication Number Publication Date
SU794489A1 true SU794489A1 (en) 1981-01-07

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Application Number Title Priority Date Filing Date
SU782672671A SU794489A1 (en) 1978-10-10 1978-10-10 Method of monitoring developing flaws in articles made of sheet materials

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SU (1) SU794489A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5831157A (en) * 1996-09-18 1998-11-03 The Boeing Company Digital bond tester

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5831157A (en) * 1996-09-18 1998-11-03 The Boeing Company Digital bond tester
US6018999A (en) * 1996-09-18 2000-02-01 The Boeing Company Digital bond tester
US6073477A (en) * 1996-09-18 2000-06-13 The Boeing Company Digital bond tester

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