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Meeting 2019 TMS Annual Meeting & Exhibition
Symposium Characterization of Materials through High Resolution Imaging
Presentation Title Investigation of Helium Precipitates in Ta(Ti)/Zr(Ti) Composites Made by Solid Metal Dealloying
Author(s) Sisi Xiang, Ian McCue, Yongqiang Wang, Kelvin Xie, Michael Demkowicz
On-Site Speaker (Planned) Sisi Xiang
Abstract Scope Metal degradation due to implanted helium (He) is a concern in nuclear energy applications. We investigate the size and distribution of He bubbles in Ta(Ti)/Zr(Ti) composites using transmission electron microscopy. He implanted composites are compared to both the unimplanted material as well as the individual constituents of the composite. Nano-scale He bubbles form in different quantities in the two components of this composite as well as at the curved Ta(Ti)/Zr(Ti) interfaces within the materials. We discuss the consequences of our findings for the development of radiation resistant materials with complex, hierarchical microstructures.
Proceedings Inclusion? Planned: Supplemental Proceedings volume


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Investigation of Helium Precipitates in Ta(Ti)/Zr(Ti) Composites Made by Solid Metal Dealloying
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