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|Title:||In-situ characterization of lattice structure evolution during phase transformation of Zr-2.5Nb|
|Citation:||Yan, K., Carr, D.G., Kabra, S., Reid, M., Studer, A., Harrison, R.P., Dippenaar, R., Liss, K.D. (2011). In situ characterization of lattice structure evolution during phase Ttansformation of Zr-2.5Nb. Advanced Engineering Materials, 13(9); 882-886. doi:10.1002/adem.201000350|
|Abstract:||The alpha-beta phase transformation behavior of Zr-2.5Nb (in mass%) has been characterized in real time during an in situ neutron diffraction experiment. The Zr-2.5Nb material in the current study consists, at room temperature, of alpha-Zr phase (hcp) and two beta phases (bcc), a Nb rich beta-Nb phase and retained, Zr rich, beta-Zr(Nb) phase. It is suggested that this is related to a quench off the equilibrium solubility of Nb atoms in the Zr bcc unit cells. Vegard's law combined with thermal expansion is applied to calculate the composition of the beta-phase, which is compared with the phase diagram, revealing the system's kinetic behavior for approaching equilibrium. © 2011, Wiley-Blackwell.|
|Gov't Doc #:||3777|
|Appears in Collections:||Journal Articles|
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