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Description:: High performance polymers and their composites have wide ranging application in advanced and emerging material systems. The macroscale performance of these advanced materials is often defined by interfaces that induce nanoscale changes in the microstructure or molecular conformations (termed the ‘interphase’) of the polymer. Atomic force microscopy (AFM) is an...
Keyword:: Indentation, Nanoconfinement, Polymers, Atomic Force Microscopy, Nanocomposites, and Additive Manufacturing
Subject:: Nanotechnology, Materials Science, and Mechanical engineering
Creator:: Collinson, David William
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 02/01/2021
Date Created:: 2020-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:15360 and etdadmin_upload_775260

Description:: Carbon-based materials, such as graphene and carbon fibers, have good prospects for applications in reinforcements of polymers as advanced structural composites. Hence, the study of the mechanical properties of the constituents and the composites is becoming increasingly popular in both academia and industry.', 'Graphene has been shown to have a...
Keyword:: Multi-scale Modeling, Computational Mechanics, Nanocomposites, Graphene, Molecular Dyanmics, and Epoxy
Subject:: Civil and Environmental Engineering
Creator:: Zhaoxu Meng
Owner:: Scholarly Digital Publishing
Date Uploaded:: 10/08/2019
Date Modified:: 10/08/2019
Date Created:: 2018-01-01
Resource Type:: Dissertation

Description:: In recent times, there has been a transition away from traditional engineering materials to more advanced materials that are multi-functional and exhibit improved thermomechanical properties. Much of the inspiration for these advanced materials comes from natural biological systems that fulfill the needs of diverse organisms through clever material organization and...
Keyword:: Materials Design, Computational Mechanics, Multiscale Modeling, Nanocomposites, Biomaterials, and Molecular Modeling
Subject:: Mechanical Engineering
Creator:: Robert Arnold Sinko
Owner:: Scholarly Digital Publishing
Date Uploaded:: 10/22/2018
Date Modified:: 10/22/2018
Date Created:: 2017-01-01
Resource Type:: Dissertation

Description:: Time-resolved in situ synchrotron x-ray scattering studies of particle orientation in polymer-clay nanocomposites under simple shear and complex flow were performed. Shear flow experiments used an annular cone and plate x-ray shear cell to allow measurement of platelet orientation within the flow-gradient plane. Intercalated nanocomposites were made by dispersing organically...
Keyword:: Rheology, Nanocomposites, and particle orientation
Subject:: Chemical and Biological Engineering
Creator:: Laura Marie Dykes
Owner:: Scholarly Digital Publishing
Date Uploaded:: 08/31/2018
Date Modified:: 08/31/2018
Date Created:: 2008-04-02
Resource Type:: Dissertation

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