Atomistic Investigation of Irradiation Resistance of Heterophase Metallic Boundaries
11 Jan 2021 | Contributor(s):: Chen, Elton
Advisors: Chaitanya S Deo, Remi Dingreville, David McDowell, Olivier Pierron, Hamid GarmestaniThe overall purpose of this dissertation is to explore the complex mechanisms underneath the irradiation resistance of metallic phase boundaries. Materials in nuclear applications are constantly exposed...
Computational Analysis of the Structure and Noncovalent Interactions of Nucleic Acids and Their Analogs
10 Jun 2021 | Contributor(s):: Alenaizan, Asim
Advisors: Charles D Sherrill, Nicholas V Hud, Thomas M Orlando, Jesse G McDaniel, James C GumbartIn recent years, no event has been more consequential than the emergence of the Covid-19 pandemic. Covid-19 has disrupted the globe at an unprecedented scale and has caused profound changes to our...
Development of a Coupled Geometrical Multiscale Solver and Application to Single Ventricle Surgical Planning
27 May 2016 | Contributor(s):: Restrepo Pelaez, Maria
Advisors: Ajit P. Yoganathan, Pedro J. del Nido, J. Brandon Dixon, Mark A. Fogel, Alessandro Veneziani, Don P. GiddensSingle ventricle heart defects are present in two of every 1000 live births in the US. In this condition the systemic and pulmonary blood flow mix in the functioning ventricle,...
Fabrication of Elastomer/Metal Bilayers Using Strain Engineering
31 May 2018 | Contributor(s):: Ibru, Timothy O.
Advisors: Antonia Antoniou, Kyriaki Kalaitzidou, Karl I. JacobBilayers are constructed from two materials with distinct properties and one physical dimension an order of magnitude smaller than the others. Due to the property mismatch, dimensional changes in each material will be different when...
Methods for Atomistic Input Into the Initial Yield and Plastic Flow Criteria for Nanocrystalline Materials
12 Jan 2015 | Contributor(s):: Tiwari, Shreevant
Advisors: David L. McDowell, Naresh Thadhani, Ting Zhu, Seung Soon Jang, Richard W. NeuNanocrystalline (NC) metals and alloys are known to possess superior mechanical properties, e.g., strength, hardness, and wear-resistance, as compared to conventional microcrystalline materials. NC metals are...
Modeling of Acoustic Nonlinearity Change in Concrete Due to Microcracks Partially Filled With Alcali Silica Reaction (Asr) Gel
11 Jan 2021 | Contributor(s):: Smajic, Denis
Advisors: Laurence J Jacobs, Jin-Yeon Kim, Christine ValleAlkali silica reaction (ASR) is a complex, multi-scale chemomechanical process whichcan lead to the expansion and damage of concrete structures by forming microcracks, graduallyreducing the structure's mechanical properties such as...
Modeling, Design and Fabrication of Miniaturized, High Performance and Integrated Passive Components for 5G and Mm-Wave Applications
11 Jan 2021 | Contributor(s):: Ali, Muhammad
Advisors: Rao R. Tummala, Madhavan Swaminathan, Andrew F. Peterson, Gregory D. Durgin, Pulugurtha M. RajThe objective of this research is to model, design, fabricate and characterize integrated passive components for 5G and mm-wave applications on advanced substrates such as ultra-thin laminated...
Numerical Investigation of Carbon Nanotube Thin-Film Composites and Devices
27 May 2016 | Contributor(s):: Gupta, Man Prakash
Advisors: Satish Kumar, Alexander Alexeev, Baratunde Cola, Manos Tentzeris, Abhijit ChatterjeeCarbon nanotubes (CNTs) are known for their exceptional electrical, thermal, mechanical, optical, and chemical properties. With the significant progress in recent years on synthesis, purification and...
Numerical Modeling and Fabrication of High Efficiency Crystalline Silicon Solar Cells
20 Sep 2013 | Contributor(s):: Renshaw, John
Advisors: Ajeet Rohatgi, Walt DeHeer, Phillip First, Ed Conrad, Bernard KippelenCrystalline silicon solar cells translate energy from the sun into electrical energy via the photoelectric effect. This technology has the potential to simultaneously reduce carbon emissions and our dependence on...
The Mechanochemistry in Heterogeneous Reactive Powder Mixtures Under High-Strain-Rate Loading and Shock Compression
07 Jan 2016 | Contributor(s):: Gonzales, Manny
Advisors: Naresh N. Thadhani, Arun M. Gokhale, Thomas H. Sanders, David L. McDowell, Laurence J. JacobsThis work presents a systematic study of the mechanochemical processes leading to chemical reactions occurring due to effects of high-strain-rate deformation associated with uniaxial strain and...
Virtual Modeling of a Manufacturing Process to Construct Complex Composite Materials of Tailored Properties
08 Jun 2015 | Contributor(s):: Didari, Sima
Advisors: Tequila Harris, Yan Wang, Sankar Nair, S. Mostafa Ghiaasiaan, Alexander AlexeevFibrous porous media are widely used in various industries such as biomedical engineering, textiles, paper, and alternative energy. Often these porous materials are formed into composite materials, using...