Stress Field Near a Nanosized Spheroidal Cavity under Bi-Axial Tension Perpendicular to the Revolution Axis

Zhi Ying Ou; Gang Feng Wang; Tie Jun Wang

doi:10.4028/www.scientific.net/AMR.33-37.1005

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 33-37Stress Field Near a Nanosized Spheroidal Cavity...

Stress Field Near a Nanosized Spheroidal Cavity under Bi-Axial Tension Perpendicular to the Revolution Axis

Abstract:

The elastic field around a nanosized spheroidal cavity is derived on the basis of surface elasticity theory. The effects of surface energy, shape and size of the cavity are discussed. It is seen that the stress field near the nanosized cavity depends on the shape and the size of the cavity as well as the properties of the surface. These new characteristics are different from those predicted by the classical elasticity and may illuminate some new mechanisms at nanoscale.