STUDY OF THE RELAXATION PROCESSES IN SOME POLYMERS BY ULTRASONIC TECHNIQUE

Faculty	Science	Year:	1984
Type of Publication:	Theses	Pages:
Authors:	Hussein Abd El Karim Daoud
		BibID	10360892
Keywords :	Ultrasonic Technique
Abstract:	The attenuation and flight time (sound velocity) of longitudinal ultrasonic waves were measured using the pulse echo technique in five samples of polyisoprene rubber as a function of both frequency and temperature. Measurements were under taken at ultraso

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