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Scientific Publication Citing Dragonfly

Effective property estimation of CMC minicomposites considering porosity

Abhilash M. Nagaraja (1), Suhasini Gururaja (1)
ASME International Mechanical Engineering Congress and Exposition, 2018


Ceramic matrix composites, CMC, Porosity, CT, Computed Tomography, X-ray


Ceramic matrix composites (CMCs) are a promising subclass of composite materials suitable for high temperature applications. CMCs exhibit multiple damage mechanisms such as matrix cracking, interphase debonding, fiber sliding, fiber pullout, delaminations etc. Additionally, process induced defects such as matrix porosity exists at multiple length scales and has a considerable influence on the mechanical and failure behavior of CMCs. In the current work, the effect of intra-tow porosity, which exist at the micro-scale, on the mechanical behavior of CMCs has been investigated by numerical homogenization.

How Our Software Was Used

Dragonfly was used to perform the 3D volume reconstruction of the CT data which shows the fiber, interphase and matrix phases.

Author Affiliation

(1) Department of Aerospace Engineering, Indian Institute of Science, Bangalore, Karnataka, 560012, India

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