Journal
SURFACE & COATINGS TECHNOLOGY
Volume 201, Issue 9-11, Pages 4991-4994Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2006.07.201
Keywords
intense pulsed ion beam; shocks; PVDF
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Because the shocks induced by intense pulsed ion beam (IPIB) irradiation are responsible for long range effect, it is necessary to analyze the behavior of shocks theoretically and experimentally. But it is very difficult to find stress signals due to the 50 ns pulse duration of IPIB. In this paper, a detecting system was designed and manufactured carefully. A polyvinylidene fluoride (PVDF) film with 100 Pin in thickness was selected as the piezoelectric probe in our detecting system. With this system, shocks, induced by IPIB irradiation, were caught at the backside of Al target successfully. The thicknesses of the Al samples were 1 mm and 2 mm respectively. Samples were irradiated by IPIB with different current density ranging from 250 A/cm(2) to 800 A/cm(2) . Wave profiles were caught and record by oscilloscope of model TDS2024 (200 MHz, 2 Gs) and TDS3052B (500 MHz, 5 Gs). Experimental results have shown in good accordance with our theoretical calculations. (C) 2006 Elsevier B.V. All rights reserved.
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