Adaptation of the chevron-notch beam fracture toughness method to specimens harvested from diesel particulate filters

Wereszczak, Andrew; Jadaan, Osama; Modugno, Max; Hatala, Glenn; Lance, Michael

doi:10.1111/ijac.12653

Adaptation of the chevron-notch beam fracture toughness method to specimens harvested from diesel particulate filters

Journal Article · Wed Jan 18 00:00:00 EST 2017 · International Journal of Applied Ceramic Technology

DOI:https://doi.org/10.1111/ijac.12653· OSTI ID:1343531

Wereszczak, Andrew ^[1]; Jadaan, Osama ^[2]; Modugno, Max ^[3]; Hatala, Glenn ^[2]; Lance, Michael ^[1]

Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge Tennessee
Department of Engineering, University of Mount Union, Alliance Ohio
Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge Tennessee; Oak Ridge Associated Universities, Oak Ridge, Tennessee

In this paper, the apparent fracture toughness of a porous cordierite ceramic was estimated using a large specimen whose geometry was inspired by the ASTM-C1421-standardized chevron-notch beam. In this paper, using the same combination of experiment and analysis used to develop the standardized chevron-notch test for small, monolithic ceramic bend bars, an apparent fracture toughness of 0.6 and 0.9 MPa√m were estimated for an unaged and aged cordierite diesel particulate filter structure, respectively. Finally, the effectiveness and simplicity of this adapted specimen geometry and test method lends itself to the evaluation of (macroscopic) apparent fracture toughness of an entire porous-ceramic, diesel particulate filter structure.

View Accepted Manuscript (DOE)

Research Organization:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: National Biodiesel Board (NBB) (United States); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V); United Soybean Board (USB) (United States)

Contributing Organization:: Oak Ridge Associated Univ., Oak Ridge, TN (United States); University of Mount Union, Alliance, OH (United States)

Grant/Contract Number:: AC05-00OR22725

OSTI ID:: 1343531

Journal Information:: International Journal of Applied Ceramic Technology, Journal Name: International Journal of Applied Ceramic Technology Journal Issue: 3 Vol. 14; ISSN 1546-542X

Publisher:: WileyCopyright Statement

Country of Publication:: United States

Language:: English

References (13)

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Impact of Biodiesel Impurities on the Performance and Durability of DOC, DPF and SCR Technologies Williams, Aaron; McCormick, Robert; Luecke, Jon SAE International Journal of Fuels and Lubricants, Vol. 4, Issue 1 https://doi.org/10.4271/2011-01-1136	journal	April 2011
Failure Stress and Apparent Elastic Modulus of Diesel Particulate Filter Ceramics Wereszczak, Andrew; Fox, Ethan; Lance, Michael SAE International Journal of Materials and Manufacturing, Vol. 5, Issue 2 https://doi.org/10.4271/2012-01-1252	journal	April 2012
Evaluation of Fuel-Borne Sodium Effects on a DOC-DPF-SCR Heavy-Duty Engine Emission Control System: Simulation of Full-Useful Life Lance, Michael; Wereszczak, Andrew; Toops, Todd J. SAE International Journal of Fuels and Lubricants, Vol. 9, Issue 3 https://doi.org/10.4271/2016-01-2322	journal	April 2016

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Related Subjects

36 MATERIALS SCIENCE
diesel particulate filter
fracture mechanics/toughness
porous materials
toughness

Adaptation of the chevron-notch beam fracture toughness method to specimens harvested from diesel particulate filters

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References (13)

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