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核技术  2015 

能量选择法中子照相技术

DOI: 10.11889/j.0253-3219.2015.hjs.38.050201, PP. 50201-50201

Keywords: 中子照相,能量选择,应力,织构,相变

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Abstract:

能量选择中子照相是近年来新兴的中子照相技术,具有广泛的潜在应用前景。介绍了能量选择中子照相技术的基本原理,比较分析了机械速度选择器法、双晶单色器法、飞行时间法以及超镜和晶体过滤器结合法4种获取单色中子束的方法。介绍了能量选择中子照相技术在增强图像对比度、应力测量、织构分析以及相变过程研究等方面体现的优异特性和应用潜力。

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