用x光和中子照相子弹弹药含量的无损检测 |
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用X光和中子照相子弹弹药含量的无损检测 Non-destructive detection of powder content in bullet using the x-ray and neutron method 发布时间：2011-05-20 浏览量：56 收藏数：0 评论数：0 总览 评价 王培勇1*， 胡博2， 杨良策2， 邢瑜3， 郭熙胜3 （ 1、清华大学体育部； 2、清华大学医学院，北京 100084； 3、清华大学体育部，北京 100084； ）
摘要： 为了保证用于2008年北京奥运会射击比赛子弹的质量,经过比较和分析各种无损检测方法后，最终选择X光射线和中子成像技术进行子弹检测。样品包括发令枪子弹,手枪子弹和装上不同种类的火药的子弹,分别用上述两种检测方法进行检测。然后,对测试结果进行了理论分析,提供子弹的实用性检测方法。结合无损检测的结果,作者进行了ELEY和Triangle两个品牌子弹的测试,比较这两个牌子子弹的速度的子弹,电荷量,以及离散程度。最后选出高质量的子弹做为奥运会射击比赛用子弹。
关键词： 运动生物力学；子弹火药；X光成像；中子照相；无损检测 Wang Peiyong1*， Hu Bo2， Yang Liangce3， Xing Yu4， Guo Xisheng4 （ 1、P.E. Department,Tsinghua University； 2、 School of medicine, Tsinghua University, Beijing 100084； 3、School of medicine, Tsinghua University, Beijing 100084； 4、P.E. Department, Tsinghua University, Beijing 100084； ）
Abstract： In order to ensure the quality of the bullets used in the 2008 Beijing Olympic Games, both X-ray and neutron imaging technique were selected for the bullet detection after comparing and analyzing many kinds of non-destructive methods. The samples, including starting gun bullets, pistol bullets and the bullets fitted with different kinds of powder, were detected respectively with the above methods. Then, the testing results were theoretically analyzed, and the practicability method of bullet detection was provided. Combining with the results of non-destructive testing, the authors carried out a sample test between the brand of ELEY and Triangle, to compare the differences of these two brands bullets in speed of bullets, charge volume, as well as targeting dispersion. Finally, a kind of high quality ammunition was selected for the shooting competition in Olympic Games.
Keywords： Sports biomechanics; Bullet gunpowder; X-ray; Neutron imaging; Non-destructive testing
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