Procedure and analysis of mineral samples using high resolution x-ray micro tomography

Publication Type thesis
School or College College of Mines & Earth Sciences
Department Metallurgical Engineering
Author Hsieh, Ching Hao
Title Procedure and analysis of mineral samples using high resolution x-ray micro tomography
Date 2012-05
Description This thesis deals with the procedures and considerations of High Resolution X-ray Micro Tomography (HRXMT) to describe the internal structure and composition of multiphase mineral particles using XRadia’s Micro XCT 400. Issues such as sampling statistics, sample preparation, scan conditions adjustment, image evaluation, and data analysis are considered. Mineral characterization using Computed Tomography (CT) standards is also discussed with the procedure of making a CT standard and comparison of HRXMT results and automated analysis of polished sections (QEMSCAN) results. In order to record and establish scan conditions, a database is provided. The use of XMuDat is discussed step by step for the user to easily evaluate the mass attenuation coefficient relationship of a mineral sample. The operating procedures of the XRadia Micro XCT 400 system are also set for a new user to be able to understand and operate the system for a sample scan. Several applications using HRXMT are also discussed. First, a few oil shale samples have been investigated to acquire high resolution internal structure images. Second, the methodology for rapid radiographic scans to identify heavy metal mineral rich regions in low grade ores is developed as an initial attempt to effectively link mine to mill. Finally, scans and analysis of teeth are presented to define internal structures in three dimensional images using CT Standards.
Type Text
Publisher University of Utah
Subject X-ray micro tomography
Dissertation Institution University of Utah
Dissertation Name Master of Science
Language eng
Rights Management Copyright © Ching Hao Hsieh 2012
Format Medium application/pdf (portable document)
Format Extent 7,744,029 bytes
Identifier us-etd3,87358
ARK ark:/87278/s6zg772g
ID 195659
setname ir_etd
Reference URL https://collections.lib.utah.edu/details?id=195659
Back to Search Results