Porosity characterization of fiber-reinforced ceramic matrix composite using synchrotron X-ray computed tomography

C Zou, TJ Marrow, C Reinhard, B Li, C Zhang, S Wang

Research output: Contribution to journalArticlepeer-review

Abstract

The pore structure and porosity of a continuous fiber reinforced ceramic matrix composite has been characterized using high-resolution synchrotron X-ray computed tomography (XCT). Segmentation of the reconstructed tomograph images reveals different types of pores within the composite, the inter-fiber bundle open pores displaying a "node-bond" geometry, and the intra-fiber bundle isolated micropores showing a piping shape. The 3D morphology of the pores is resolved and each pore is labeled. The quantitative filtering of the pores measures a total porosity 8.9% for the composite, amid which there is about 7.1∼ 9.3% closed micropores.
Original languageEnglish
Article numberC03052
Pages (from-to)1-8
Number of pages8
JournalJournal of Instrumentation
Volume11
DOIs
Publication statusPublished - 23 Mar 2016

Keywords

  • computerized Tomography (CT) and Computed Radiography (CR)
  • image processing

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