现代应用物理2017,Vol.8Issue(1):18-22,42,6.DOI:10.12061/j.issn.2095-6223.2017.010204
扫描法检测边界的原理性实验研究
Research on Principle Experiment of the Scanning Test Method
摘要
Abstract
Since it is hard to find a proper proton accelerator and the attenuation law of gamma ray interacting with matter is similar to that of proton,cnprinciple experiment of the scanning test method is carried out using 60Co γ radiation source.The test object is made of plastic cylinder and tungsten cylinder,and it is put on an electrical-controlling movable apparatus which can move it at a minimum step of 2.5 μm.A lead collimator with aperture diameter of 8 mm is used to get narrow gamma-ray beams.A transmission beam analysis system with a scintillator and a CCD camera is used to capture the transmission image series.Material edge positions are given out by experiment and Monte Carlo simulation, and both deviations are less than 1.2 mm from the true value, which confirms that the scanning test method is practical and effective.关键词
辐射成像/扫描检测/边界测量/原理性实验Key words
radiography/scanning test/edge position measurement/principle experiment分类
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姚志明,段宝军,宋顾周,马继明,韩长材,宋岩,严维鹏..扫描法检测边界的原理性实验研究[J].现代应用物理,2017,8(1):18-22,42,6.基金项目
强脉冲辐射环境模拟与效应国家重点实验室基金资助项目(SKLIPR1405) (SKLIPR1405)