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|Title: ||Segregation and migration of species in the CrCoFeNi high entropy alloy|
|Authors: ||Middleburgh, SC|
|Issue Date: ||25-Jun-2014|
|Citation: ||Middleburgh, S. C., King, D. M., Lumpkin, G. R., Cortie, M., & Edwards, L. (2014). Segregation and migration of species in the CrCoFeNi high entropy alloy. Journal of Alloys and Compounds, 599(0), 179-182. doi: http://dx.doi.org/10.1016/j.jallcom.2014.01.135|
|Abstract: ||The formation and migration of intrinsic defects in the CrCoFeNi high entropy alloy has been investigated using ab-initio modeling. The ease of vacancy formation was found to vary depending on the element: vacancies formed by the removal of Fe, Ni and Co are positive while Cr has a negative vacancy formation energy and will precipitate out of the CrCoFeNi alloy. This mechanism may allow the formation of a corrosion passivating oxide layer, analogous to Cr behaviour in stainless steels. The migration and behaviour of intrinsic interstitial defects has also been investigated.|
|Appears in Collections:||Journal Articles|
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