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Description:: In most engineering metal alloys, the overall plastic resistance is contributed by two or more strengthening mechanisms operating simultaneously. Two major sources of strengthening in …
Year:: 2012
Contributor:: DONG, YI (creator); Curtin, William (Director); Bower, Allan (Reader); Kumar, Sharvan (Reader); Brown University. ENGINEERING: Solid Mechanics (sponsor)
Genre:: theses
Subject:: dislocation; strengthening mechanism; numerical simulations; metal alloy; Strengthening mechanisms in solids; Alloys
Language:: English
Collection:: Engineering; Mechanics of Solids; Theses and Dissertations

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Description:: Length scale effects in plastic deformation, restrictions on plastic deformation, and realistic simulation of fracture behavior are critical for future engineering design and reliability. Plastic …
Year:: 2011
Contributor:: Nath, Prateek (creator); Curtin, William (Director); Gao, H (Reader); Kumar, S (Reader); Brown University. ENGINEERING: Solid Mechanics (sponsor)
Genre:: theses
Subject:: Strain gradient plasticity; crystal plasticity; crack; length scale; plasticity; dislocation; discrete dislocation; coating; delamination; fracture; Plasticity; Composite materials--Delamination
Language:: English
Collection:: Engineering; Mechanics of Solids; Theses and Dissertations

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Description:: Nanotwinned metals have exhibited enhanced mechanical properties, including ultra-high strength, good ductility and remarkable fracture toughness. In this dissertation, we used large-scale atomistic simulations to …
Year:: 2012
Contributor:: Li, Xiaoyan (creator); Gao, Huajian (Director); Kumar, Sharvan (Reader); Bower, Allan (Reader); Brown University. ENGINEERING: Solid Mechanics (sponsor)
Genre:: theses
Subject:: nanotwinned metals; atomistic simulation; deformation; fracture; twin boundary; dislocation
Language:: English
Collection:: Engineering; Mechanics of Solids; Theses and Dissertations

Full Record