Nanoscale Patterning of Chemical Order Introduced by Displacement Cascades in Irradiated Alloys

Ye, Jia

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Title:	Nanoscale Patterning of Chemical Order Introduced by Displacement Cascades in Irradiated Alloys
Author(s):	Ye, Jia
Doctoral Committee Chair(s):	Bellon, Pascal
Department / Program:	Materials Science and Engineering
Discipline:	Materials Science and Engineering
Degree Granting Institution:	University of Illinois at Urbana-Champaign
Degree:	Ph.D.
Genre:	Dissertation
Subject(s):	Engineering, Materials Science
Abstract:	We test the predictions on the Ni3Al compound by combining molecular dynamics (MD) and KMC simulations. For 1MeV Kr and 70keV He ions, MD simulations are used to simulate the disordered zones, which are then incorporated into KMC simulations to reach long irradiation times. These simulations indicate that 1MeV Kr ion irradiation can lead to patterning, whereas 70keV He ion cannot. Experimentally, we propose to use HRTEM imaging to identify the patterning of chemical order in Ni3Al.
Issue Date:	2006
Type:	Text
Language:	English
Description:	120 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2006.
URI:	http://hdl.handle.net/2142/82794
Other Identifier(s):	(MiAaPQ)AAI3243036
Date Available in IDEALS:	2015-09-25
Date Deposited:	2006