Journal
JOURNAL OF APPLIED PHYSICS
Volume 104, Issue 8, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3000442
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- Office Of The Director
- EPSCoR [814194] Funding Source: National Science Foundation
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We examine the effects of surface tension and surface modulus on diffusion-induced stresses within spherical nanoparticles. We show that both the magnitude and distribution of stresses can be significantly affected by surface mechanics if the particle diameter is in the nanometer range. In particular, a tensile state of stress may be significantly reduced in magnitude or even be reverted to a state of compressive stress with decreasing particle radius. This reduction in tensile stress may be responsible for the observed resilience to fracture and decrepitation of nanoparticles used in various industrial applications. (c) 2008 American Institute of Physics. [DOI: 10.1063/1.3000442]
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