FIELD: physics.
SUBSTANCE: method of analysing defects includes following: first step of supply of high-frequency signal into multiple inductance coils, which are located adjacent to each other so that they partially overlap each other, in electromagnetic ultrasonic probe for generating ultrasonic vibrations in analysed object; second step of receiving B-echo ultrasonic oscillations using each of multiple inductance coils; third step of receiving F-echo ultrasonic oscillations using each of multiple inductance coils; fourth step of correction signal intensity B-echo received by each of multiple inductance coils, based on working state of each of multiple inductance coils; and fifth step of calculation of ratio by dividing signal intensity F-echo on intensity of corrected signal B-echo for each of multiple inductance coils and evaluation of internal defect of investigated object based on results of calculation of ratio.
EFFECT: high accuracy of estimating internal defect of gap between surface of investigated object and inductance coil.
9 cl, 9 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF DEFECTS CONTROL AND APPARATUS FOR DEFECTS CONTROL | 2014 |
|
RU2606452C1 |
| METHOD FOR CORRECTION OF POSITION OF THE DEFECT | 2014 |
|
RU2598777C1 |
| METHOD FOR ULTRASONIC MEASUREMENT AND ULTRASONIC MEASURING DEVICE | 2013 |
|
RU2592044C1 |
| ULTRASONIC FLAW DETECTION DEVICE, ULTRASONIC FLAW DETECTION METHOD, WELDED STEEL PIPE MANUFACTURING METHOD AND WELDED STEEL PIPE QUALITY CONTROL METHOD | 2017 |
|
RU2704429C1 |
| COMBINED SELECTING HEAD | 0 |
|
SU1728787A1 |
| MAGNETIC RESONANCE IMAGING SYSTEM HAVING PROBES FOR FIELD INVESTIGATION | 2016 |
|
RU2716870C2 |
| NON-CONTACT AND NON-DESTRUCTIVE TESTING METHOD AND DEVICE FOR ITS IMPLEMENTATION | 2017 |
|
RU2661312C1 |
| BOREHOLE MAGNET-PULSE FLAW AND THICKNESS DETECTOR | 2006 |
|
RU2333461C1 |
| METHOD AND DEVICE FOR ELECTROMAGNETIC FLAW DETECTION-THICKNESS MEASUREMENT OF FERROMAGNETIC METAL PIPES IN MULTI-COLUMN WELLS | 2022 |
|
RU2783988C1 |
| FERROMAGNETIC ALLOY PIPES WALL THICKNESS MEASURING METHOD AND DEVICE FOR THE METHOD IMPLEMENTATION | 2022 |
|
RU2790307C1 |
