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金中孔隙的中子显微断层扫描

Neutron microtomography of voids in gold.

作者信息

Trtik Pavel

机构信息

Laboratory for Neutron Scattering and Imaging (LNS), Paul Scherrer Institut, 5232 Villigen PSI, Switzerland.

出版信息

MethodsX. 2017 Nov 21;4:492-497. doi: 10.1016/j.mex.2017.11.009. eCollection 2017.

DOI:10.1016/j.mex.2017.11.009
PMID:29201650
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5701799/
Abstract

Pilot attempt of the neutron microtomography of voids in gold carried out using the Neutron Microscope instrument is presented in the paper. The paper demonstrates that neutron microtomography provides viable alternative to X-ray imaging for the assessment of porosity in high atomic number materials. The model sample based on gold with artificially induced void system reveals segmented porosity with 5.4 micrometres voxel size and the spatial resolution close to 10 micrometres.

摘要

本文介绍了使用中子显微镜仪器对金中的孔隙进行中子显微断层扫描的初步尝试。该论文表明,中子显微断层扫描为评估高原子序数材料中的孔隙率提供了一种可行的替代X射线成像的方法。基于金并带有人工诱导孔隙系统的模型样品显示出体素尺寸为5.4微米且空间分辨率接近10微米的分段孔隙率。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e58/5701799/e9699ec43a7b/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e58/5701799/d3776e52ca40/fx1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e58/5701799/580498a54d61/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e58/5701799/1c22b82a1b23/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e58/5701799/e9699ec43a7b/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e58/5701799/d3776e52ca40/fx1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e58/5701799/580498a54d61/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e58/5701799/1c22b82a1b23/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0e58/5701799/e9699ec43a7b/gr3.jpg

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本文引用的文献

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Non-Destructive Study of Bulk Crystallinity and Elemental Composition of Natural Gold Single Crystal Samples by Energy-Resolved Neutron Imaging.采用能量分辨中子成像技术对天然金单晶样品的整体结晶度和元素组成进行无损研究。
Sci Rep. 2017 Jan 19;7:40759. doi: 10.1038/srep40759.
2
Focussed ion beam nanotomography reveals the 3D morphology of different solid phases in hardened cement pastes.聚焦离子束纳米断层扫描揭示了硬化水泥浆体中不同固相的 3D 形态。
J Microsc. 2011 Mar;241(3):234-42. doi: 10.1111/j.1365-2818.2010.03433.x. Epub 2010 Sep 9.
3
Stripe and ring artifact removal with combined wavelet--Fourier filtering.
结合小波--傅里叶滤波去除条纹和环形伪影
Opt Express. 2009 May 11;17(10):8567-91. doi: 10.1364/oe.17.008567.