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IJPAP Vol.42(08) [August 2004] >


Title: Acoustic behaviour of plastics for medical applications
Authors: Lochab, Jyoti
Singh, V R
Keywords: Ultrasonic properties
Acoustic impedance
Medical plastics
Transmission coefficient
Issue Date: Aug-2004
Publisher: CSIR
IPC CodeG 10K 11/00
Abstract:  The rectangular and square samples of bio-plastic materials namely, polymethyl methacrylate (PMMA), polycarbonate (PC), polystyrene plastic (PS material), polypropylene (PP), polyvinyl chloride (PVC), bakelite (G-10), nylon, Y-dent and teflon (PTFE) used for different applications in hospitals have been studied. These samples collected from different hospitals in Delhi (Safdarjang Hospital, Batra Hospital, AIIMS) have been studied for ultrasonic velocity, elasticity, acoustic impedance etc. at room temperature (24ÂșC). The average values of ultrasonic velocity and elasticity are found to vary directly with the density. The ultrasonic parameters measured at 2.5 MHz are reported here.
Page(s): 595-599
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.42(08) [August 2004]

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