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Title: Micro-mechanical evaluation of SiC-SiC composite interphase properties and debond mechanisms

Abstract

SiC-SiC composites exhibit exceptional high temperature strength and oxidation properties making them an advantageous choice for accident tolerant nuclear fuel cladding. In the present work, small scale mechanical testing along with AFM and TEM analysis were employed to evaluate PyC interphase properties that play a key role in the overall mechanical behavior of the composite. The Mohr-Coulomb formulation allowed for the extraction of the internal friction coefficient and debonding shear strength as a function of the PyC layer thickness, an additional parameter. Here, these results have led to re-evaluation of the Mohr-Coulomb failure criterion and adjustment via a new phenomenological equation.

Authors:
 [1];  [1];  [1];  [1]; ORCiD logo [2]; ORCiD logo [2]; ORCiD logo [2];  [1]
  1. Univ. of California, Berkeley, CA (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of California, Berkeley, CA (United States)
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Nuclear Energy (NE)
OSTI Identifier:
1399553
Alternate Identifier(s):
OSTI ID: 1496393
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Composites. Part B, Engineering
Additional Journal Information:
Journal Volume: 131; Journal Issue: C; Journal ID: ISSN 1359-8368
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; SiC-SiC; Nuclear; Composites; Pyrolytic carbon (PyC); Interphase; Interface; Micro-mechanical; Small scale mechanical testing (SSMT); Micro-pillar compression

Citation Formats

Kabel, Joey, Yang, Y., Balooch, Mehdi, Howard, C., Koyanagi, Takaaki, Terrani, Kurt A., Katoh, Yutai, and Hosemann, P. Micro-mechanical evaluation of SiC-SiC composite interphase properties and debond mechanisms. United States: N. p., 2017. Web. doi:10.1016/j.compositesb.2017.07.035.
Kabel, Joey, Yang, Y., Balooch, Mehdi, Howard, C., Koyanagi, Takaaki, Terrani, Kurt A., Katoh, Yutai, & Hosemann, P. Micro-mechanical evaluation of SiC-SiC composite interphase properties and debond mechanisms. United States. https://doi.org/10.1016/j.compositesb.2017.07.035
Kabel, Joey, Yang, Y., Balooch, Mehdi, Howard, C., Koyanagi, Takaaki, Terrani, Kurt A., Katoh, Yutai, and Hosemann, P. Mon . "Micro-mechanical evaluation of SiC-SiC composite interphase properties and debond mechanisms". United States. https://doi.org/10.1016/j.compositesb.2017.07.035. https://www.osti.gov/servlets/purl/1399553.
@article{osti_1399553,
title = {Micro-mechanical evaluation of SiC-SiC composite interphase properties and debond mechanisms},
author = {Kabel, Joey and Yang, Y. and Balooch, Mehdi and Howard, C. and Koyanagi, Takaaki and Terrani, Kurt A. and Katoh, Yutai and Hosemann, P.},
abstractNote = {SiC-SiC composites exhibit exceptional high temperature strength and oxidation properties making them an advantageous choice for accident tolerant nuclear fuel cladding. In the present work, small scale mechanical testing along with AFM and TEM analysis were employed to evaluate PyC interphase properties that play a key role in the overall mechanical behavior of the composite. The Mohr-Coulomb formulation allowed for the extraction of the internal friction coefficient and debonding shear strength as a function of the PyC layer thickness, an additional parameter. Here, these results have led to re-evaluation of the Mohr-Coulomb failure criterion and adjustment via a new phenomenological equation.},
doi = {10.1016/j.compositesb.2017.07.035},
journal = {Composites. Part B, Engineering},
number = C,
volume = 131,
place = {United States},
year = {Mon Jul 31 00:00:00 EDT 2017},
month = {Mon Jul 31 00:00:00 EDT 2017}
}

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Cited by: 28 works
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Works referencing / citing this record:

A finite fracture model for the analysis of multi-cracking in woven ceramic matrix composites
journal, April 2018