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首页> 外文期刊>Japanese journal of applied physics >Neutron Reflectometry for Observation of Machined Surface Roughness
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Neutron Reflectometry for Observation of Machined Surface Roughness

机译：中子反射仪用于观察加工的表面粗糙度

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摘要

Neutron reflectometry was applied for the characterization of machined roughness on iron surfaces, including a buried solid-solid contacting surface. The observed distribution of the reflected neutron beam could be explained using a structure factor estimated from the Fourier transform of the physical roughness measured by a contact-type roughness gauge, particularly in the case of a periodic surface structure. In the case of random roughness, the accumulation of beams specularly reflected from every small local region of the surface gave a better explanation of the broad distribution of the scattered beam, where each local region was assumed to be flat and differently inclined relative to the incident beam direction. When the surface was buried beneath another material, the width of the distribution of the reflected beam became slightly wider than that in air. Although neutron reflectometry for the characterization of surface roughness has various limitations, it is still an effective tool for nondestructively observing the surface roughness at a buried contacting surface.
机译：中子反射仪用于表征铁表面（包括掩埋的固-固接触表面）上的机械加工粗糙度。特别是在周期性表面结构的情况下，可以使用根据由接触式粗糙度仪测量的物理粗糙度的傅立叶变换估计的结构因子来解释观察到的反射中子束的分布。在随机粗糙度的情况下，从表面的每个小局部区域镜面反射的光束的积累可以更好地解释散射光束的广泛分布，其中每个局部区域都被认为是平坦的，并且相对于入射角度有所不同光束方向。当表面被埋在另一种材料之下时，反射光束的分布宽度变得比空气中的宽度稍宽。尽管用于表征表面粗糙度的中子反射仪具有多种局限性，但它仍然是一种有效的工具，可以无损地观察掩埋接触表面的表面粗糙度。

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  • 来源
    《Japanese journal of applied physics》 |2009年第12期|126504.1-126504.12|共12页
  • 作者

    Kazuko Inoue; Tomoko Hirayama; Tomoki Uno; Toru Ebisawa; Kazuaki Ikeda; Hisayoshi Honda; Hirohiko Shimizu;

  • 作者单位

    Advanced Research Institute for Science and Engineering, Waseda University, Shinjuku, Tokyo 169-8555, Japan;

    Faculty of Engineering, Doshisya University, Kyotanabe, Kyoto 610-0394, Japan;

    Faculty of Engineering, Doshisya University, Kyotanabe, Kyoto 610-0394, Japan;

    Neutron Science Research Center, JAEA, Tokai, Ibaraki 319-1195, Japan;

    Radiation Laboratory, RIKEN, Wako, Saitama 351-0198, Japan;

    Faculty of Science and Engineering, Ryukoku University, Otsu 520-2194, Japan;

    Neutron Science Laboratory, KEK, Tsukuba, Ibaraki 305-0801, Japan;

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