Fahrenholtz, William

Harrington, Greg

Hilmas, Greg

English

Engineering Conferences International

Engineering Conferences InternationalECI Digital ArchivesUltra-High Temperature Ceramics: Materials ForExtreme Environmental Applications II ProceedingsSpring 5-14-2012Effects of Carbon on the Processing and ThermalProperties of Hot Pressed ZrB2Greg HarringtonDepartment of Materials Science and Engineering Missouri University of Science and TechnologyGreg HilmasDepartment of Materials Science and Engineering Missouri University of Science and TechnologyWilliam FahrenholtzDepartment of Materials Science and Engineering Missouri University of Science and TechnologyFollow this and additional works at: http://dc.engconfintl.org/uhtcPart of the Materials Science and Engineering CommonsThis Conference Proceeding is brought to you for free and open access by the Proceedings at ECI Digital Archives. It has been accepted for inclusion inUltra-High Temperature Ceramics: Materials For Extreme Environmental Applications II by an authorized administrator of ECI Digital Archives. Formore information, please contact franco@bepress.com.Recommended CitationGreg Harrington, Greg Hilmas, and William Fahrenholtz, "Effects of Carbon on the Processing and Thermal Properties of Hot PressedZrB2" in "Ultra-High Temperature Ceramics: Materials For Extreme Environmental Applications II", W. Fahrenholtz, Missouri Univ.of Science & Technology; W. Lee, Imperial College London; E.J. Wuchina, Naval Service Warfare Center; Y. Zhou, AerospaceResearch Institute Eds, ECI Symposium Series, (2013). http://dc.engconfintl.org/uhtc/27MISSOURI UNIVERSITY OF SCIENCE AND TECHNOLOGYEffects of Carbon on the Processing and Thermal Properties of Hot Pressed ZrB2Greg Harrington, Greg Hilmas, William FahrenholtzDepartment of Materials Science and EngineeringMissouri University of Science and TechnologyResearch supported by the National Science Foundation grant #DMR-0906584Goals of the Current Work• Investigate the inherent properties of high-purity ZrB2 ceramics• Isolate the impact of carbon on hot pressed ZrB2– Densification– Microstructure– Thermal properties• Study the solubility of carbon in ZrB2 and its effect on the densification, microstructure, and thermal properties2Carbon Content Measurment0.300.350.400.450.50 Measured Carbon Content (wt% C)1 wt% ZrH2Material30.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.00.000.050.100.150.200.25 Measured Carbon Content (wt% C)Carbon Addition (wt% C)High CarbonLow Carbon

Effects of Carbon on the Processing and Thermal Properties of Hot Pressed ZrB2

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Effects of Carbon on the Processing and Thermal Properties of Hot Pressed ZrB2

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