Abstract:
In this paper, the experimental studies of variation of blowoff impulse with different materials and different energy fluxes are described. The experiments are conducted on FLASH-Ⅱ electron beam equipment with the probe principle of directly measuring the specific series of time intervals and miniature transduction technique passing infrared ray. The experimental results show that the coupling coefficients of blowoff impulse for two specific materials only is 1/3 and 1/2 or so of those of LY-12 aluminum alloy, respectively, in about the same energy fluxes. This shows that the two specific materials when they are radiated possess good property which can reduce blowoff impulses.
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