Radiation damage in nanostructured materials

X Zhang, K Hattar, Y Chen, L Shao, J Li, C Sun… - Progress in Materials …, 2018 - Elsevier
Materials subjected to high dose irradiation by energetic particles often experience severe
damage in the form of drastic increase of defect density, and significant degradation of their …

Defect-interface interactions

IJ Beyerlein, MJ Demkowicz, A Misra… - Progress in Materials …, 2015 - Elsevier
Nanostructured materials contain an extremely high density of interfaces. The properties of
these materials when exposed to extreme conditions of radiation dose, stress, deformation …

The radiation damage tolerance of ultra-high strength nanolayered composites

A Misra, MJ Demkowicz, X Zhang, RG Hoagland - Jom, 2007 - Springer
Interfaces act as obstacles to slip and sinks for radiation-induced defects. Hence,
nanolayered composites that contain a large volume fraction of interfaces provide over an …

Bulk texture evolution of Cu–Nb nanolamellar composites during accumulative roll bonding

JS Carpenter, SC Vogel, JE LeDonne, DL Hammon… - Acta materialia, 2012 - Elsevier
A combination of accumulative roll bonding (ARB) and rolling is used to fabricate
nanolamellar Cu–Nb multilayers with individual layer thicknesses (h) of 600μm⩾ h⩾ 10nm …

Interface enabled defects reduction in helium ion irradiated Cu/V nanolayers

EG Fu, A Misra, H Wang, L Shao, X Zhang - Journal of Nuclear Materials, 2010 - Elsevier
Sputter-deposited Cu/V nanolayer films with individual layer thickness, h, varying from 1 to
200nm were subjected to helium (He) ion irradiation at room temperature. At a peak dose …

Damage-tolerant nanotwinned metals with nanovoids under radiation environments

Y Chen, KY Yu, Y Liu, S Shao, H Wang, MA Kirk… - Nature …, 2015 - nature.com
Material performance in extreme radiation environments is central to the design of future
nuclear reactors. Radiation induces significant damage in the form of dislocation loops and …

Removal of stacking-fault tetrahedra by twin boundaries in nanotwinned metals

KY Yu, D Bufford, C Sun, Y Liu, H Wang, MA Kirk… - Nature …, 2013 - nature.com
Stacking-fault tetrahedra are detrimental defects in neutron-or proton-irradiated structural
metals with face-centered cubic structures. Their removal is very challenging and typically …

The role of interface structure in controlling high helium concentrations

MJ Demkowicz, A Misra, A Caro - Current opinion in solid state and …, 2012 - Elsevier
Interfaces are good traps for implanted He, but are also susceptible to He-induced
embrittlement. Better understanding of the mechanisms of He interactions with interfaces …

Structure–property–functionality of bimetal interfaces

IJ Beyerlein, NA Mara, J Wang, JS Carpenter… - Jom, 2012 - Springer
Interfaces, such as grain boundaries, phase boundaries, and surfaces, are important in
materials of any microstructural size scale, whether the microstructure is coarse-grained …

Defect structures and hardening mechanisms in high dose helium ion implanted Cu and Cu/Nb multilayer thin films

N Li, M Nastasi, A Misra - International Journal of Plasticity, 2012 - Elsevier
Helium (He) exerts a significant influence on the mechanical behavior of irradiated
materials. The microstructural evolutions and hardening mechanisms of pure 1μm thick Cu …