Journal of Materials / 2016 / Article / Tab 4

Research Article

Low Energy Gamma Radiation Induced Effects on Ultrasonic Velocity and Acoustic Parameters in Polyvinylidene Fluoride Solution

Table 4

Variation of density, viscosity, and ultrasonic velocity of 0.5 wt% PVDF solution in dimethylacetamide with dose rate.

Dose (mGY)Density ρ
kg/m3
Viscosity η Nsm−2
10−3
Ultrasonic velocity m/sCompressibility β
10−10
Intermolecular free path length 10−11Acoustic impedance
106
Relative association Ultrasonic attenuation 10−14Relaxation time 10−13

01116.691.33815103.9284.0701.6862.7487.004
504.761117.591.35715203.8734.0411.6990.9942.7307.006
673.011119.321.37715243.8474.0271.7060.9932.7447.060
1346.021121.401.40415303.8094.0081.7160.9912.7607.129
1394.021124.801.42615343.7783.991.7250.9922.7747.183
1514.001130.201.47815523.6733.9361.7540.9852.7647.241

Source: Cs-137. Source strength: 28.042 mGY/hrwt% is 0.5%.

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