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首页> 外文期刊>Physica, B. Condensed Matter >The blurring in strains measured at a pulsed neutron source introduced by the use of a detector with a large angular coverage
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The blurring in strains measured at a pulsed neutron source introduced by the use of a detector with a large angular coverage

机译：使用大角度覆盖范围的探测器在脉冲中子源处测得的应变模糊

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摘要

The use of neutron diffraction as a tool for measuring strain in crystalline materials has grown in the past decade. A new generation of instruments are presently in the design or construction phase with large detector arrays, in order to reduce measurement times. The effect of using the average results obtained from a detector covering a large angular spread is considered for neutron strain scanning measurements. Two idealised sample strain distributions are considered. Simple calculations suggest that detector arrays on existing strain diffractometers do indeed produce strain determinations which are representative of the 'true' state of the sample, but that care will have to be taken with analysis of data from designs proposed for second generation diffractometers. (C) 2001 Elsevier Science B.V. All rights reserved. [References: 10]
机译：在过去的十年中，使用中子衍射作为测量晶体材料中应变的工具的情况有所增加。为了减少测量时间，目前正在设计或建造阶段使用大型检测器阵列的新一代仪器。对于中子应变扫描测量，考虑使用从覆盖大角度扩展的检测器获得的平均结果的效果。考虑了两个理想的样品应变分布。简单的计算表明，现有应变衍射仪上的检测器阵列确实会产生代表样品“真实”状态的应变确定，但是必须谨慎分析针对第二代衍射仪提出的设计数据。 （C）2001 Elsevier Science B.V.保留所有权利。 [参考：10]

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