Multi-frequency eddy current control of structural steel sheets

Мұқаба

Дәйексөз келтіру

Толық мәтін

Ашық рұқсат Ашық рұқсат
Рұқсат жабық Рұқсат берілді
Рұқсат жабық Рұқсат ақылы немесе тек жазылушылар үшін

Аннотация

The results of the study of the effect on the results of eddy current testing of the thickness of structural steel sheets of such a parameter as the force of pressing the eddy current sensor to the surface of the object of control are presented. To isolate the controlled parameter, experimental values of the introduced resistances of an eddy current converter obtained using multi-frequency measurements were used. The dependences of these resistances for the overhead eddy current transducer sensor on the clamping force and thickness of the steel sheet are revealed. A method for processing the results of eddy current measurements is proposed, which ensures the elimination of interfering parameters and reliable isolation of the controlled parameter.

Толық мәтін

Рұқсат жабық

Авторлар туралы

A. Egorov

Altai state university

Хат алмасуға жауапты Автор.
Email: pvv@asu.ru
Ресей, 656049, Barnaul, pr. Lenina, 61

V. Polyakov

Altai state university

Email: pvv@asu.ru
Ресей, 656049, Barnaul, pr. Lenina, 61

Әдебиет тізімі

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Әрекет
1. JATS XML
Жүктеу
2. Fig. 1. Eddy current measurement device: block diagram (a); eddy current transducer unit (b).

Жүктеу (163KB)
Метадеректер
3. Fig. 2. Experimental diagrams of the insertion resistances of the eddy current transducer for St3ps steel sheets: sample thicknesses of 0.7 mm and 0.8 mm (a); sample thicknesses of 1.4 mm and 1.6 mm (b).

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Метадеректер
4. Fig. 3. Effect of the clamping force of the eddy current transducer on the appearance of the insertion resistance diagrams: sample thicknesses of 0.7 mm and 0.8 mm (a); sample thicknesses of 1.4 mm and 1.6 mm (b).

Жүктеу (190KB)
Метадеректер
5. Fig. 4. Projections of the eddy current measurement results on the planes of the principal components: sample thicknesses of 0.7 mm and 0.8 mm (a); sample thicknesses of 1.4 mm and 1.6 mm (b).

Жүктеу (242KB)
Метадеректер
6. Fig. 5. Results of eddy current testing of the thickness of St3sp steel sheets: sample thickness 0.7 mm and 0.8 mm (a); sample thickness 1.4 mm and 1.6 mm (b).

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