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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.122  No.1427 (July) (2014)  >  pp.574-576

Journal of the Ceramic Society of Japan
<<Previous article Vol.122  No.1427 (July) (2014)   pp.574 - 576 Next article>>

Enhancing the contrast of low-density packing regions in images of ceramic powder compacts using a contrast agent for micro-X-ray computed tomography

Tsuyoshi HONDO1), Zenji KATO1), Satoshi TANAKA1)
1) Department of Materials Science and Technology, Nagaoka University of Technology

In this study, a method for observing the internal pore structure of a ceramic powder compact using micro-X-ray computed tomography (micro-CT) was examined. Powder compacts have low densities, which makes it difficult to distinguish the low-density structures and large pores. In this study, the effect of a contrast agent (potassium iodide solution) on micro CT images was examined. First, the powder compact was made by die-pressing using alumina granules. Then, the powder compact was immersed into the contrast agent in a vacuum. As a result, the large pores in the powder compact were emphasized as white areas in the images.

Alumina, Powder compact, Granule, Computed tomography, Contrast agent, Potassium iodide

Received: March 06, 2014
Accepted: May 12, 2014 , Published online: July 01, 2014
Copyright © 2014 The Ceramic Society of Japan



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