Mechanical Responses of Primary-α Ti Grains in Polycrystalline Samples: Part I – Measurements of Spherical Indentation Stress-Strain Curves
24 Apr 2020 | Contributor(s):: Natalia Millan-Espitia, Soumya Mohan, Adam Pilchak, Surya R. Kalidindi
Recently established spherical indentation stress-strain protocols have demonstrated the feasibility of measuring reliably the mechanical responses at different material structure length scales in a broad range of structural alloys. In the present study, we apply these high-throughput protocols...
Structure-Property Linkages for Polycrystalline Materials Using Materials Knowledge Systems
20 Aug 2018 | Contributor(s):: Paulson, Noah H.
Advisors: Surya R. Kalidindi, David L. McDowell, Donald S. Shih, Richard W. Neu, Hamid GarmestaniComputational tools that are capable of rapidly exploring candidate microstructures and their associated properties are required to accelerate the rate of development and deployment of novel...
Exploration of Forward and Inverse Protocols for Property Optimization of Ti-6Al-4v
22 Aug 2016 | Contributor(s):: Priddy, Matthew William
Advisors: David L. McDowell, Donald S. Shih, Surya R. Kalidindi, Rick W. Neu, Hamid GarmestaniThe modeling and simulation of advanced engineering materials undergoing mechanical loading requires accurate treatment of relevant microstructure features, such as grain size and crystallographic...
Ali is a PhD candidate in Mechanical engineering department at Georgia Institute of Technology. He earned two masters degrees, one in mechanical engineering at Brigham Young University in 2012 and...
Microstructure-Sensitive Plasticity and Fatigue of Three Titanium Alloy Microstructures
21 Oct 2013 | Contributor(s):: Smith, Benjamin Daniel
Advisors: David L. McDowell, Richard W Neu, Olivier N Pierron, Donald S ShihTitanium alloys are employed in many advanced engineering applications due to their exceptional properties, i.e., a high strength-to-weight ratio, corrosion resistance, and high temperature strength. The performance of...