Non-Destructive Micro-Charatrazition of Gamma Irradiation Effects on Borosilicate Glass BaO-2B2O3-3SiO2 by Acoustic Signature
| المصدر: | أبحاث |
|---|---|
| الناشر: | جامعة الحديدة - كلية التربية بالحديدة |
| المؤلف الرئيسي: | Al-Suraihy, Ibrahim Hamid Qassem (Author) |
| المجلد/العدد: | ع6 |
| محكمة: | نعم |
| الدولة: |
اليمن |
| التاريخ الميلادي: |
2016
|
| التاريخ الهجري: | 1437 |
| الشهر: | يونيو |
| الصفحات: | 33 - 47 |
| DOI: |
10.52840/1965-000-006-010 |
| ISSN: |
2710-107X |
| رقم MD: | 968973 |
| نوع المحتوى: | بحوث ومقالات |
| اللغة: | الإنجليزية |
| قواعد المعلومات: | EduSearch, HumanIndex |
| مواضيع: | |
| رابط المحتوى: |
| المستخلص: |
In this paper, we investigate gamma-radiated effects on the elastic acoustic parameters (reflection coefficients R(θ), acoustic signatures V(z), critical angles of wave excitation, spatial periods, velocities) of barium lead borosilicate with the different gamma-radiated dose rate of 0 , 3, 6, 9, and 12 . The radiation effects on structural and elastic properties were evaluated by measuring the ultrasonic velocities. It was found that, as Gama radiation dose rate increases, longitudinal velocities vary from 4172 to 4344 m/s whereas Rayleigh velocities vary from 2991 to 3084 m/s. Hence, we first deduce the values of propagating surface acoustic wave velocities, and in the second step we find the values of bulk and surface velocities before radiated and after Gamma-radiated glass samples. The effect of Gamma irradiation dose range from 0 Gy to 12 Gy effects on the acoustic signature, V(z) amplitudes and periods and reflection coefficients R(θ) critical angles of wave excitation of these glasses is also reported. The calculated reflectance functions that experience several features near critical angles at which longitudinal, shear and Rayleigh modes are existed depend on Gamma radiation dose. It has been observed that, irradiation of the glasses with the Gamma rays increases the BO3 groups and the non bridging oxygen which make the network loose. |
|---|---|
| ISSN: |
2710-107X |
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