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Nondestructive material characterization of meteorites with synchrotron-based high energy x-ray phase micro-computed tomography
Liu, HQ; Xiao, TQ; Xie, HL; Fu, YN; Zhang, XL; Fan, XX
2017
Source PublicationJOURNAL OF PHYSICS D-APPLIED PHYSICS
ISSN0022-3727
Volume50Issue:5Pages:-
Subtype期刊论文
AbstractSynchrotron radiation based x-ray propagation-based micro-computed tomography (SRPCT) has been widely used to nondestructively access 3D structural information in many fields in the last decade. However, for strongly absorbed objects with small density-differential compositions, conventional SRPCT technique fails in providing high-contrast images for visualization of objects characteristic information except edge-enhancements at interfaces or boundaries of samples. In this study, we successfully employed the SRPCT technique with phase retrieval, the high energy x-ray phase-attenuation-duality (PAD) algorithm, into nondestructive material characterization of invaluable meteorite samples due to the greatly enhanced phase-contrast of different bulk material areas, as compared to conventional SRPCT on equal dose basis. Our experimental results demonstrated the PAD-SRPCT technique is superior to conventional SRPCT technique to access density and structure distributions of different meteorite compositions with high density resolution, owing to the striking contrast-to-noise ratio (CNR). In addition, a new mass-density measurement method was presented to estimate the mass density of different compositions in the meteorite sample based on the calibration of the imaging system.
KeywordPhase-sensitive Micro-tomograpgy Synchrotron Radiation Phase Retrieval Meteorites Density Resolution
DOI10.1088/1361-6463/aa4f31
Indexed BySCI
Language英语
WOS IDWOS:000392394000001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/27396
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Liu, HQ,Xiao, TQ,Xie, HL,et al. Nondestructive material characterization of meteorites with synchrotron-based high energy x-ray phase micro-computed tomography[J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS,2017,50(5):-.
APA Liu, HQ,Xiao, TQ,Xie, HL,Fu, YN,Zhang, XL,&Fan, XX.(2017).Nondestructive material characterization of meteorites with synchrotron-based high energy x-ray phase micro-computed tomography.JOURNAL OF PHYSICS D-APPLIED PHYSICS,50(5),-.
MLA Liu, HQ,et al."Nondestructive material characterization of meteorites with synchrotron-based high energy x-ray phase micro-computed tomography".JOURNAL OF PHYSICS D-APPLIED PHYSICS 50.5(2017):-.
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