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Processing, Microstructure And Mechanical Behavior Of Nanocomposite Multilayers, Zuqiang Qi
Processing, Microstructure And Mechanical Behavior Of Nanocomposite Multilayers, Zuqiang Qi
LSU Doctoral Dissertations
Nanoscale multilayer coatings have high potential for numerous engineering applications because they can exhibit enhanced properties due to nanoscale effects and combine different properties from individual components. At present, scale effects on the mechanical behavior of multilayers are not well understood. Three multilayer nanocomposite systems, namely Al/Al2O3, Ti/TiN, and Cr/a-C, have been synthesized by using a dual-gun e-beam physical vapor deposition, to investigate the effect of layer thickness, the nature of components and their microstructures on the mechanical behavior. The deposited Al and Ti nanolayers were found to have polycrystalline fcc and hcp structure, respectively, the Cr and TiN layers …