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Title:Nanostructured alloys for extreme conditions
Author(s):Vo, Nhon
Advisor(s):Averback, Robert S.
Contributor(s):Bellon, Pascal; Dillon, Shen J.; Trinkle, Dallas R.
Department / Program:Materials Science & Engineerng
Discipline:Materials Science & Engr
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:Ph.D.
Genre:Doctoral
Subject(s):Nanocrystalline
binary alloy
ternary alloy
mechanical properties
irradiation
severe plastic deformation
Abstract:The development of new nanostructured materials for use in extreme mechanical and thermal environments is likely to be of critical importance for a number of future energy technologies. These materials are characterized by a large density of grain boundaries. Consequently, they are inherently strong due to GB strengthening, and they offer resistance to radiation damage due to their high density of unbiased, unsaturable sinks. In this thesis dissertation, it will discuss (i) the mechanisms that control their strength, including inverse Hall-Petch behavior; (ii) their dimensional and phase stability during irradiation; and (iii) the processing of these materials by severe plastic deformation. The work was a combination of both experimental and computational investigations.
Issue Date:2012-02-01
Genre:thesis
URI:http://hdl.handle.net/2142/29490
Rights Information:Copyright 2011 Nhon Q. Vo
Date Available in IDEALS:2014-02-01
Date Deposited:2011-12


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