SU513309A1 - The method of controlling the porosity and structure of materials - Google Patents

The method of controlling the porosity and structure of materials

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Publication number
SU513309A1
SU513309A1 SU1807761A SU1807761A SU513309A1 SU 513309 A1 SU513309 A1 SU 513309A1 SU 1807761 A SU1807761 A SU 1807761A SU 1807761 A SU1807761 A SU 1807761A SU 513309 A1 SU513309 A1 SU 513309A1
Authority
SU
USSR - Soviet Union
Prior art keywords
materials
control
duration
porosity
echo signals
Prior art date
Application number
SU1807761A
Other languages
Russian (ru)
Inventor
Нелля Соломоновна Завьялова
Ростислав Иосифович Шоков
Original Assignee
Предприятие П/Я Г-4361
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
Application filed by Предприятие П/Я Г-4361 filed Critical Предприятие П/Я Г-4361
Priority to SU1807761A priority Critical patent/SU513309A1/en
Application granted granted Critical
Publication of SU513309A1 publication Critical patent/SU513309A1/en

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

Description

(54) СПОСОБ КОНТРОЛЯ ПОРИСТОСТИ И СТРУКТУРЫ МАТЕРИАЛОВ(54) METHOD OF CONTROL OF POROSITY AND STRUCTURE OF MATERIALS

нде;ти. Шрввьюийшив пороги квантовани  сигналы нормируютс  по амплитуде и дп тель остн и суммируютс  с nonc4eTt i; ЩЮЛ8 кмпульсов отраженных от пор или rfkaHHii зерен, наход щихс  в зоне контр1 lUi период зондировани .nde; If the thresholds are quantized, the signals are normalized in amplitude and the damper is calculated and summed with nonc4eTt i; XYL8 cmpulses of grains reflected from pores or rfkaHHii located in the zone of control 1 lUi probing period.

, По соотношению количества селектиро вайшх импульсов на различных уровн х акшпйтудного квантовани  суд т о контро МруеМом параметре., The ratio of the number of select vaishh pulses at different levels of action quantization is judged by the MrueM parameter.

.  .

Claims (1)

Формула изобретени Invention Formula Способ контрол  пенистости и структуffbf материалов, например алюминиевых The method of control of foaminess and structuresffbf materials, such as aluminum Сплавов, заключающийс  в том, что лапу чают импульсы ультразвуковых колебаний в контролируемый материал, принимают эхокгигаапы из зоны контрол , нормируют к подсчитывают их количество, о т л и « чающийс  тем, что, с целью пом шени  аочноств контрол , прин тые эхси сигналы квантуют по нескольким ампл туднь1м уровн м и по времени прступлени  зхо-сигналов серией селектируюоиис импульсов с длительностыо и периодом следовани , близкими к длительности эхо-ч:иг налов, а о контролируемом параметре суд т по количеству нормированных такимThe alloys, which consist of pulsing ultrasonic vibrations into the controlled material, take echoes from the control zone, normalize their number, which is calculated, so that, in order to keep the control quality, the received echo signals are quantized on several amplitude levels and on the time of passing the echo signals by a series of selection pulses with a duration and follow-up period close to the duration of the echo-h: needles, and the controlled parameter is judged by the number of normalized образом импульсов. I way pulses. I
SU1807761A 1972-07-10 1972-07-10 The method of controlling the porosity and structure of materials SU513309A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1807761A SU513309A1 (en) 1972-07-10 1972-07-10 The method of controlling the porosity and structure of materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1807761A SU513309A1 (en) 1972-07-10 1972-07-10 The method of controlling the porosity and structure of materials

Publications (1)

Publication Number Publication Date
SU513309A1 true SU513309A1 (en) 1976-05-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU1807761A SU513309A1 (en) 1972-07-10 1972-07-10 The method of controlling the porosity and structure of materials

Country Status (1)

Country Link
SU (1) SU513309A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7010980B2 (en) 2003-06-27 2006-03-14 Intelligendt Systems & Services Gmbh & Co. Kg Method of determining the porosity of a workpiece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7010980B2 (en) 2003-06-27 2006-03-14 Intelligendt Systems & Services Gmbh & Co. Kg Method of determining the porosity of a workpiece

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