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Filtering by: Creator Nairn, John A. Decade 2000-2009

Mechanical stability of ultrathin Ge/Si film on SiO2: The effect of Si/SiO2 interface

Creator:

Huang, Minghuang, Nairn, John A., Liu, Feng, and Lagally, M. G.

Abstract:

We perform two-dimensional linear elastic finite element analysis to investigate the mechanical stability of ultrathin Ge/Si film grown on or bonded to SiO₂, using imperfect interface elements between Si and SiO₂ to model Si/SiO₂ interfacial slippage. We demonstrate that the overall composite film is stable when only the tangential slippage...

Resource Type:

Article
A numerical study of the transverse modulus of wood as a function of grain orientation and properties

Creator:

Nairn, John A.

Abstract:

Finite element analysis was used to study the effective transverse modulus of solid wood for all possible end-grain patterns. The calculations accounted for cylindrical anisotropy of wood within rectangular specimens and explicitly modeled wood as a composite of earlywood and latewood. The effective modulus was significantly reduced by growth ring...

Resource Type:

Article