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ASM Handbook

Nondestructive Evaluation of Materials

Edited by
Aquil Ahmad
Aquil Ahmad
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Leonard J. Bond
Leonard J. Bond
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ASM International
Volume
17
ISBN electronic:
978-1-62708-190-0
Publication date:
2018
Book Chapter

Computed Tomography[1]

By
Andrea Scanavini
Andrea Scanavini
Revising author
TEC Eurolab
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Marco Moscatti
Marco Moscatti
Revising author
TEC Eurolab
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Published:
2018
Page range:
440 - 474
Publication history
August 21, 2018

Abstract

Computed tomography (CT) is an imaging technique that generates a three-dimensional (3-D) volumetric image of a test piece. This article illustrates the basic principles of CT and provides information on the types, applications, and capabilities of CT systems. A comparison of performance characteristics for film radiography, real-time radiography, and X-ray computed tomography is presented in a table. A functional block diagram of a typical computed tomography system is provided. The article discusses CT scanning geometry that is used to acquire the necessary transmission data. It also provides information on digital radiography, image processing and analysis, dual-energy imaging, and partial angle imaging, of a CT system.

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Andrea Scanavini, Marco Moscatti, 2018. "Computed Tomography", Nondestructive Evaluation of Materials, Aquil Ahmad, Leonard J. Bond

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