CaltechAUTHORS
  A Caltech Library Service

Permeable carbon nanotube-reinforced silicon oxycarbide via freeze casting with enhanced mechanical stability

Kuo, C. T. and Faber, K. T. (2020) Permeable carbon nanotube-reinforced silicon oxycarbide via freeze casting with enhanced mechanical stability. Journal of the European Ceramic Society, 40 (6). pp. 2470-2479. ISSN 0955-2219. https://resolver.caltech.edu/CaltechAUTHORS:20200122-074829153

Full text is not posted in this repository. Consult Related URLs below.

Use this Persistent URL to link to this item: https://resolver.caltech.edu/CaltechAUTHORS:20200122-074829153

Abstract

Reinforcement strategies were applied to solution-based freeze-casting systems to form porous ceramic composites. Multi-walled carbon nanotubes (MWCNT) were used as the reinforcing fillers in a polysiloxane preceramic polymer freeze cast with dimethyl carbonate to produce silicon oxycarbide-based lamellar pore structures. Using a carefully designed dispersion procedure, CNT agglomerates were reduced both in suspension and in pore walls. Electrical conductivity increased by ten orders of magnitude over pure silicon oxycarbide, indicating the preservation of CNTs after pyrolysis. Permeability, compression, and diametral compression (Brazilian disk) tests were performed to demonstrate the reinforcing effect of CNTs without sacrificing the permeability of the final porous structures.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1016/j.jeurceramsoc.2019.12.059DOIArticle
ORCID:
AuthorORCID
Kuo, C. T.0000-0002-3720-968X
Faber, K. T.0000-0001-6585-2536
Additional Information:© 2019 Elsevier Ltd. Received 8 September 2019, Revised 10 December 2019, Accepted 28 December 2019, Available online 20 January 2020.
Subject Keywords:Freeze casting; Carbon nanotubes; Mechanical properties; Electrical conductivity; Permeability
Issue or Number:6
Record Number:CaltechAUTHORS:20200122-074829153
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200122-074829153
Official Citation:C.T. Kuo, K.T. Faber, Permeable carbon nanotube-reinforced silicon oxycarbide via freeze casting with enhanced mechanical stability, Journal of the European Ceramic Society, Volume 40, Issue 6, 2020, Pages 2470-2479, ISSN 0955-2219, https://doi.org/10.1016/j.jeurceramsoc.2019.12.059. (http://www.sciencedirect.com/science/article/pii/S0955221919309033)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:100822
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:22 Jan 2020 17:13
Last Modified:28 Feb 2020 19:26

Repository Staff Only: item control page