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- Title
Multiscale X-ray and Proton Imaging of Bismuth-Tin Solidification.
- Authors
Gibbs, P.; Imhoff, S.; Morris, C.; Merrill, F.; Wilde, C.; Nedrow, P.; Mariam, F.; Fezzaa, K.; Lee, W.-K.; Clarke, A.
- Abstract
The formation of structural patterns during metallic solidification is complex and multiscale in nature, ranging from the nanometer scale, where solid-liquid interface properties are important, to the macroscale, where casting mold filling and intended heat transfer are crucial. X-ray and proton imaging can directly interrogate structure, solute, and fluid flow development in metals from the microscale to the macroscale. X-rays permit high spatio-temporal resolution imaging of microscopic solidification dynamics in thin metal sections. Similarly, high-energy protons permit imaging of mesoscopic and macroscopic solidification dynamics in large sample volumes. In this article, we highlight multiscale x-ray and proton imaging of bismuth-tin alloy solidification to illustrate dynamic measurement of crystal growth rates and solute segregation profiles that can be that can be acquired using these techniques.
- Subjects
X-ray reflection; BISMUTH; NATIVE element minerals; METALS; CRYSTALS
- Publication
JOM: The Journal of The Minerals, Metals & Materials Society (TMS), 2014, Vol 66, Issue 8, p1485
- ISSN
1047-4838
- Publication type
Article
- DOI
10.1007/s11837-014-1058-0