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Advanced Processing Techniques For Co-Continuous Ceramic Composites

Evarts, Jonathan S.

Abstract Details

2008, Master of Science, Ohio State University, Materials Science and Engineering.
Co-Continuous Ceramic Composites have shown promise to replace traditional materials in high temperature applications due to their combination of strength at elevated temperature, thermal cycling damage tolerance and toughness. Prior work has demonstrated the displacement reaction resulting from immersion of silica precursors into an aluminum bath as an attractive method of creating net-shape alumina-aluminum composites. Here a similar reaction is studied where the bath is predominantly inert copper, however enough aluminum is still present to drive the reaction. Examination of several copper/aluminum ratios shows that an equivalent reaction occurs. However, as the copper fraction rises, reaction kinetics slow, and the microstructure scale decreases, yet the microstructural morphology remains similar. Additionally, the parent metal phase may be replaced with a more refractory material using a Hot Solvent Exchange Reaction. In this reaction both metallic species must be molten, however the processing temperature must be below that of the ceramic phase.
Glenn Daehn, PhD (Advisor)
James Williams, PhD (Committee Member)
89 p.

Recommended Citations

Citations

  • Evarts, J. S. (2008). Advanced Processing Techniques For Co-Continuous Ceramic Composites [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1218218162

    APA Style (7th edition)

  • Evarts, Jonathan. Advanced Processing Techniques For Co-Continuous Ceramic Composites. 2008. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1218218162.

    MLA Style (8th edition)

  • Evarts, Jonathan. "Advanced Processing Techniques For Co-Continuous Ceramic Composites." Master's thesis, Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1218218162

    Chicago Manual of Style (17th edition)