Search Results - "Cinibulk, Michael K"

Modeling environmentally induced property degradation of SiC/BN/SiC ceramic matrix composites by Parthasarathy, Triplicane A., Cox, Brian, Sudre, Olivier, Przybyla, Craig, Cinibulk, Michael K.

“…The degradation of SiC‐based ceramic matrix composites (CMCs) in conditions typical of gas turbine engine operation proceeds via the stress rupture of fiber…”
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In situ Y2Si2O7 coatings on SiC fibers: Thermodynamic analysis and processing by Mogilevsky, Pavel, Boakye, Emmanuel E., Key, Thomas S., Parthasarathy, Triplicane A., Hay, Randall S., Cinibulk, Michael K.

“…It is shown using thermodynamic analysis and kinetic modeling that a processing window exists for the formation of Y2Si2O7 coatings on SiC. The proposed method…”
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Interface Design for Oxidation-Resistant Ceramic Composites by Kerans, Ronald J., Hay, Randall S., Parthasarathy, Triplicane A., Cinibulk, Michael K.

“…Fiber‐reinforced ceramic composites achieve high toughness through distributed damage mechanisms. These mechanisms are dependent on matrix cracks deflecting…”
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Oxidation kinetics of silicon carbide‐containing refractory diborides, I: Revised model by Mogilevsky, Pavel, Cinibulk, Michael K.

“…The original model by Parthasarathy et al. for oxidation of MeB₂–SiC ultra‐high temperature ceramics (UHTCs) has been further expanded to include oxidation by…”
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Effect of pendant groups on the mass yield and density of polycarbosilanes during pyrolysis by Key, Thomas S., Wilks, Garth B., Cinibulk, Michael K.

“…As SMP‐10 and SMP‐877 are pyrolyzed, they undergo multiple thermal decomposition reactions that result in the formation of amorphous SiC and differing degrees…”
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Effect of Yttria and Yttrium-Aluminum Garnet on Densification and Grain Growth of Alumina At 1200°-1300°C by Cinibulk, Michael K.

“…Densification and grain growth of alumina were studied with yttria or yttrium‐aluminum garnet (YAG) additives at the relatively low temperatures of…”
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Effectiveness of Monazite Coatings in Oxide/Oxide Composites after Long-Term Exposure at High Temperature by Keller, Kristin A., Mah, Tai-Il, Parthasarathy, Triplicane A., Boakye, Emmanuel E., Mogilevsky, Pavel, Cinibulk, Michael K.

“…The effectiveness of monazite (LaPO4) in providing an oxidation‐resistant weak fiber/matrix interface was evaluated in a fiber roving/thin…”
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Advances in the Synthesis of Preceramic Polymers for the Formation of Silicon-Based and Ultrahigh-Temperature Non-Oxide Ceramics by Ackley, Brandon J., Martin, Kara L., Key, Thomas S., Clarkson, Caitlyn M., Bowen, John J., Posey, Nicholas D., Ponder Jr, James F., Apostolov, Zlatomir D., Cinibulk, Michael K., Pruyn, Timothy L., Dickerson, Matthew B.

“…Preceramic polymers (PCPs) are a group of specialty macromolecules that serve as precursors for generating inorganics, including ceramic carbides, nitrides,…”
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Synthesis of Yttrium Aluminum Garnet from a Mixed-Metal Citrate Precursor by Cinibulk, Michael K.

“…Yttrium aluminum garnet (YAG, Y3Al5O12) was synthesized using a polymeric precursor derived from a mixed‐metal citric acid/ethylene glycol/ethanol solution…”
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Characterization of Oxidized Polymer-Derived SiBCN Fibers by Cinibulk, Michael K., Parthasarathy, Triplicane A.

“…The oxidation behavior of a developmental amorphous SiBCN fiber was investigated. Fibers were heat‐treated in stagnant laboratory air at temperatures of…”
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Synthesis of a Two-Component Carbosilane System for the Advanced Manufacturing of Polymer-Derived Ceramics by Baldwin, Luke A, Rueschhoff, Lisa M, Deneault, James R, Cissel, Kathleen S, Nikolaev, Pavel, Cinibulk, Michael K, Koerner, Hilmar, Dalton, Matthew J, Dickerson, Matthew B

“…A novel two-component system consisting of a hyperbranched polycarbosilane (HBPCS) and a dihydrosilane cross-linker is presented as a synthetic route for the…”
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Modeling Environmental Degradation of SiC-Based Fibers by Parthasarathy, Triplicane A., Przybyla, Craig P., Hay, Randall S., Cinibulk, Michael K.

“…Experimental data on grain growth and oxidation kinetics of SiC‐based fibers, as well as the accompanying strength degradation, in argon, air, and moist air…”
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Processing of fiber‐reinforced ultra‐high temperature ceramic composites: A review by Rueschhoff, Lisa M., Carney, Carmen M., Apostolov, Zlatomir D., Cinibulk, Michael K.

“…Ultra‐high temperature ceramics (UHTCs) have emerged as promising materials for high‐temperature aerospace applications due to their high melting temperature…”
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Oxidation Resistance of Hafnium Diboride Ceramics with Additions of Silicon Carbide and Tungsten Boride or Tungsten Carbide by Carney, Carmen M., Parthasarathy, Triplicane A., Cinibulk, Michael K.

“…Dense samples of HfB2–SiC, HfB2–SiC–WC, and HfB2–SiC–WB were prepared by field‐assisted sintering. The WB and WC additives were incorporated by solid solution…”
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Evaluation of SiC/SiC minicomposites with yttrium disilicate fiber coating by Boakye, Emmanuel E., Key, Thomas S., Parthasarathy, Triplicane A., Keller, Kristin A., Opeka, Samuel J., Hay, Randall S., Cinibulk, Michael K.

“…Hi‐Nicalon‐S/α‐Y2Si2O7/SiC minicomposites were formed by polymer infiltration pyrolysis (PIP) and characterized by TEM, SEM fractography, tensile testing, and…”
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In situ Y2Si2O7 coatings on Hi‐Nicalon‐S SiC fibers: Phase formation and fiber strength by Boakye, Emmanuel E., Mogilevsky, Pavel, Key, Thomas S., Parthasarathy, Triplicane A., Keller, Kristin A., Opeka, Samuel J., Hay, Randall S., Cinibulk, Michael K., Corns, Randall

“…Y2Si2O7 coatings were formed on Hi‐Nicalon‐S SiC fibers by reaction of solution‐derived YPO4 coatings with glass SiO2 scales formed by fiber oxidation. Two…”
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Thermal and Oxidation Response of UHTC Leading Edge Samples Exposed to Simulated Hypersonic Flight Conditions by Parthasarathy, Triplicane A., Petry, Melvin D., Cinibulk, Michael K, Mathur, Tarun, Gruber, Mark R.

“…Sharp leading edge (LE) samples of UHTC (20 vol%SiC–HfB2) and SiC were exposed to simulated hypersonic flight conditions using a direct‐connect scramjet rig…”
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Processing and Testing of RE2Si2O7 Fiber-Matrix Interphases for SiC-SiC Composites by Boakye, Emmanuel E., Mogilevsky, Pavel, Parthasarathy, Triplicane A., Keller, Kristin A., Hay, Randall S., Cinibulk, Michael K.

“…Rare‐earth disilicates (RE2Si2O7) are investigated for use as oxidation‐resistant alternatives to carbon or BN fiber–matrix interphases in ceramic matrix…”
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Process modeling of the low‐temperature evolution and yield of polycarbosilanes for ceramic matrix composites by Key, Thomas S., Wilks, Garth B., Parthasarathy, Triplicane A., King, Derek S., Apostolov, Zlatomir D., Cinibulk, Michael K.

“…The volatilization of polycarbosilanes is important to the processing and performance of polymer infiltration and pyrolysis‐based ceramic matrix composites…”
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Reduced Cracking in Oxide Fiber-Reinforced Oxide Composites via Freeze-Dry Processing by Mah, Tai-Il, Keller, Kristin A., Kerans, Ronald J., Cinibulk, Michael K.

“…Porous oxide matrix composites typically develop significant numbers of matrix cracks during processing. Eliminating such cracks will lead to improved…”
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