MD697C2 - Device for establishing the diffusive acoustic field - Google Patents

Device for establishing the diffusive acoustic field

Info

Publication number
MD697C2
MD697C2 MD96-0193A MD960193A MD697C2 MD 697 C2 MD697 C2 MD 697C2 MD 960193 A MD960193 A MD 960193A MD 697 C2 MD697 C2 MD 697C2
Authority
MD
Moldova
Prior art keywords
diffusive
establishing
acoustic field
core
acoustic
Prior art date
Application number
MD96-0193A
Other languages
Romanian (ro)
Russian (ru)
Other versions
MD697B1 (en
Inventor
Victor Colmogorov
Alexandru Detkov
Serghei Colmogorov
Original Assignee
Institutul De Cercetari In Controlul Nedistructiv "Introscop" Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from SU874277400A external-priority patent/SU1606924A1/en
Application filed by Institutul De Cercetari In Controlul Nedistructiv "Introscop" Sa filed Critical Institutul De Cercetari In Controlul Nedistructiv "Introscop" Sa
Priority to MD96-0193A priority Critical patent/MD697C2/en
Publication of MD697B1 publication Critical patent/MD697B1/en
Publication of MD697C2 publication Critical patent/MD697C2/en

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Abstract

The invention relates to supersonic control and is destined for the metrological ensuring of the acoustic - emissive instruments.The improvement of the devices diffusive characteristics for establishing the diffusive acoustic field is achieved by the fact, that the core 2 of the electromagnetic exciter, which affects the ferromagnetic specimen 1, is made in the form of a ring with a cut tangentially to the interior diameter of the core. By this the thickness of the ferromagnetic specimen is non less than 20 times exceeding the average of the polycrystalline material grain.
MD96-0193A 1987-07-06 1996-08-19 Device for establishing the diffusive acoustic field MD697C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MD96-0193A MD697C2 (en) 1987-07-06 1996-08-19 Device for establishing the diffusive acoustic field

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SU874277400A SU1606924A1 (en) 1987-07-06 1987-07-06 Apparatus for exciting diffusion acoustic field
MD96-0193A MD697C2 (en) 1987-07-06 1996-08-19 Device for establishing the diffusive acoustic field

Publications (2)

Publication Number Publication Date
MD697B1 MD697B1 (en) 1997-03-31
MD697C2 true MD697C2 (en) 1997-07-31

Family

ID=26640655

Family Applications (1)

Application Number Title Priority Date Filing Date
MD96-0193A MD697C2 (en) 1987-07-06 1996-08-19 Device for establishing the diffusive acoustic field

Country Status (1)

Country Link
MD (1) MD697C2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1147979A1 (en) * 1983-08-17 1985-03-30 Всесоюзный Научно-Исследовательский Институт По Разработке Неразрушающих Методов И Средств Контроля Качества Материалов Acoustic emission calibrated signal simulator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1147979A1 (en) * 1983-08-17 1985-03-30 Всесоюзный Научно-Исследовательский Институт По Разработке Неразрушающих Методов И Средств Контроля Качества Материалов Acoustic emission calibrated signal simulator

Also Published As

Publication number Publication date
MD697B1 (en) 1997-03-31

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Legal Events

Date Code Title Description
FG4A Patent for invention issued
IF99 Valid patent on 19990615

Free format text: EXPIRES: 20070706