Investigation of nanomechanical properties of the interphase in a glass fiber reinforced polyester composite using nanoindentation

Article Abstract:

The study uses the atomic force microscope adapted with a commercial nanoindenter to determine the variation of the elastic modulus across the interphase for different silane coated glass fiber reinforced polyester matrix composites. The study concluded that the nano-identing instruments could provide unique mechanical property profiling across layers of fractions of microns to ten of microns thick.

Plastics Material and Resin Manufacturing, Broadwoven Fabric Mills, Broadwoven fabric mills, manmade, Alkyd & Polyester Resins, Glass Fiber Fabrics, Usage, Atomic force microscopy, Polyesters, Glass fibre fabrics

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Investigation of fracture in transparent glass fiber reinforced polymer composites using photoelasticity

Article Abstract:

A solution for the Mode-I stress intensity factor near the crack tip in a bidirectionally reinforced composite material, like transparent glass cloth reinforced composites, was proposed using transmission photoelasticity. Opening mode stress field equations along with an orthotropic stress-optic law are utilized to regenerate the isochromatic fringe patterns.

Refraction, Double, Double refraction, Diffraction patterns

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Coupled atomistic/discrete dislocation simulations of nanoindentation at finite temperature

Article Abstract:

Finite temperature coupled atomistic/continuum discrete dislocation (CADD) method is used for performing simulations of nanoindentation in single crystals. CADD method is an effective system or visualizing and quantifying dislocation nucleation and motion beneath the indenter.

United States, Analysis, Crystals, Crystal structure, Continuum mechanics

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