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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Nanocomposites VI: Nanoscience and Nanotechnology in Advanced Composites
Presentation Title Nanolayered Metallic Glass-crystalline Composites with High Strength and Wear Resistance
Author(s) Sezer Ozerinc
On-Site Speaker (Planned) Sezer Ozerinc
Abstract Scope Nanolayered metallic glass-crystalline composites are promising materials that combine the high strength of metallic glasses with the superior ductility of crystalline metals. Previous work has focused on metallic glass-FCC crystalline nanolayers, and showed that the strength follows the Hall-Petch behavior of increasing strength with decreasing layer thickness. In our work, we investigated metallic glass-HCP crystalline nanolayers. Interestingly, the strength of these layers does not show any size effect; strength is virtually constant for different layer thicknesses. The results can be explained by the high strength of HCP layers, exceeding that of the metallic glass. The unique size-independent strength of metallic glass-HCP nanolayers provide an effective way of understanding the sliding wear behavior of nanolayered composites. In this context, we investigated CuZr/Zr nanolayers, and observed decreasing wear resistance with decreasing layer thickness. This somewhat unusual trend can be explained by the low shear strength of the crystalline-amorphous interface.
Proceedings Inclusion? Planned:

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Electrical Performance of Bulk Al-ZrB2 Nanocomposites from 2K to 300K
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Investigating and Understanding the Mechanical and Tribological Properties of A Magnesium Hybrid Metal-ceramic Nanocomposite
Magnetic Field-assisted Electrodeposition of Nickel Composite Coatings
Nanolayered Metallic Glass-crystalline Composites with High Strength and Wear Resistance
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Nanoparticle-enabled Phase Modification (Nano-Treating) of CuZrSi Pseudo-binary Alloy
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Processing, Properties and Potential Applications of Magnesium Alloy-based Nanocomposites: A Review
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State-of-the-Art NanoMaterials at SRNL: From Innovation to Marketplace; Fabrication of Silver-rhodium Nanomaterials for Chemical Sensing Applications
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