objective: studies have demonstrates that physical properties of denture base affect patient satisfaction and acceptance. thermal conductivity is among the most important properties of denture base influencing the sense of taste and gingival health. the conventionally used acrylic resin has a low coefficient of thermal conductivity. this study aimed to improve the thermal conductivity of acryli...

Using peridynamic simulations, a vast range of materials with di erent properties, from polymethyl methacrylate to titanium alloy can be simulated [5]. The results significantly depend on the models and numerical schemes that are employed. Di erent models for bonds, time integration schemes and the summation of forces between particles are employed. Furthermore, several parameters such as the i...

This paper reports the time dependent changes of molecular arrangement in the mixed LB films of nonamphiphilic 9-phenyl anthracene (PA) in stearic acid (SA) and polymethyl methacrylate (PMMA) in the light of absorption and fluorescence spectroscopic study. Molecular movements have been observed in the recently lifted LB films and about 200 hours is required to get the films in stable condition....

A modified coupled-mode (CM) model is proposed for the optical behavior of thermally chirped Bragg gratings. The model accounts for the axial gradient in the modulation wavenumber, which has been ignored in the classical CM model. The model is used to characterize the optical behavior of a polymethyl methacrylate-based polymer Bragg grating subjected to nonisothermal conditions. The validity of...