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Item 2D transition metal carbides (MXenes) in metal and ceramic matrix composites(Springer, 2021-06-02) Wyatt, Brian C.; Nemani, Srinivasa Kartik; Anasori, Babak; Mechanical and Energy Engineering, School of Engineering and TechnologyTwo-dimensional transition metal carbides, nitrides, and carbonitrides (known as MXenes) have evolved as competitive materials and fillers for developing composites and hybrids for applications ranging from catalysis, energy storage, selective ion filtration, electromagnetic wave attenuation, and electronic/piezoelectric behavior. MXenes’ incorporation into metal matrix and ceramic matrix composites is a growing field with significant potential due to their impressive mechanical, electrical, and chemical behavior. With about 50 synthesized MXene compositions, the degree of control over their composition and structure paired with their high-temperature stability is unique in the field of 2D materials. As a result, MXenes offer a new avenue for application driven design of functional and structural composites with tailorable mechanical, electrical, and thermochemical properties. In this article, we review recent developments for use of MXenes in metal and ceramic composites and provide an outlook for future research in this field.Item Characterization and Simulated Analysis of Carbon Fiber with Nanomaterials and Additive Manufacturing(2023-12) Omole, Oluwaseun; Dalir, Hamid; Agarwal, Magilal; Tovar, AndresDue to the vast increase and versatility of Additive Manufacturing and 3D-printing, in this study, the mechanical behavior of implementing both continuous and short carbon fiber within Nylon and investigated for its effectiveness within additively manufactured prints. Here, 0.1wt% of pure nylon was combined with carbon nanotubes through both dry and heat mixing to determine the best method and used to create printable filaments. Compression, tensile and short beam shear (SBS) samples were created and tested to determine maximum deformation and were simulated using ANSYS and its ACP Pre tool. SEM imaging was used to analyze CNT integration within the nylon filament, as well as the fractography of tested samples. Experimental testing shows that compressive strength increased by 28%, and the average SBS samples increased by 8% with minimal impacts on the tensile strength. The simulated results for Nylon/CF tensile samples were compared to experimental results and showed that lower amounts of carbon fiber samples tend to have lower errors.Item Color stability of light-activated bleach shade composites(2010) Al-Yakoubi, Yaser; Levon, John A.; Platt, Jeffrey A., 1958-; Kim, Seok-jin, 1967-; Brown, David T.; Andres, Carl J., 1942-This study evaluated the color stability of bleach shade composites when activated by a high-intensity quartz tungsten-halogen (QTH) light source after 1 day, 7 days, and 30 days of exposure to different conditions. The color stability of bleach shade composites depends on various factors, namely, the resin material, the shade of the resin material, the storage method, and the storage time.