Energy Research Group Posters
Title
Atomistic Studies of Deformation and Fracture in Materials with Mixed Metallic and Covalent Bonding
Document Type
Other
Date of this Version
March 2007
Abstract
Materials with high melting temperatures (over 2000°C) tend to be brittle at ambient and even relatively high temperatures.
High melting temperatures originate in strong interatomic bonding arising from formation of dd or dp bonds that also affect and/or control crystal structures and properties of extended defects, such as dislocations, grain boundaries. These, in turn, govern plastic deformation and fracture.
General goal: Establish relationship between electronic structure and mechanical behavior
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Date Posted: 14 May 2007
Comments
Poster presented at The Search for a Sustainable Energy Future: Challenges for Basic Research, A Mini-Symposium sponsored by the Energy Working Group at Penn, March 9, 2007.