Location
University of Nevada Las Vegas, Science and Education Building
Start Date
9-8-2011 10:15 AM
End Date
9-8-2011 12:00 PM
Description
With the use of synchrotron techniques, we can better understand how crystalline structures behave under extreme conditions. This yields the opportunity to resolve complex crystal structures [1]. Here, we focus on the high pressure crystal structure of Nb5Si3. Refractory metal silicides are an important class of materials as they are used in high temperature applications such as turbines and aerospace modules. As an example, the performance of a jet engine is highly influenced by the maximum internal pressure and temperature possible. Obtaining higher levels of thrust is dependent upon the material's ability to remain structurally sound under extreme temperatures and pressures; Nb5Si3 has a higher melting temperature and lower density achieving better performance under said conditions [2].
Keywords
Crystals; High pressure (Science); Materials at high temperatures; Niobium compounds
Disciplines
Biological and Chemical Physics | Materials Science and Engineering | Physics
Language
English
COinS
High pressure structural studies on Nb5Si3 up to 26.2 GPa
University of Nevada Las Vegas, Science and Education Building
With the use of synchrotron techniques, we can better understand how crystalline structures behave under extreme conditions. This yields the opportunity to resolve complex crystal structures [1]. Here, we focus on the high pressure crystal structure of Nb5Si3. Refractory metal silicides are an important class of materials as they are used in high temperature applications such as turbines and aerospace modules. As an example, the performance of a jet engine is highly influenced by the maximum internal pressure and temperature possible. Obtaining higher levels of thrust is dependent upon the material's ability to remain structurally sound under extreme temperatures and pressures; Nb5Si3 has a higher melting temperature and lower density achieving better performance under said conditions [2].
Comments
Research sponsored by: NSF grant # DMR‐1005247