Topic
Micromechanics
About: Micromechanics is a research topic. Over the lifetime, 6000 publications have been published within this topic receiving 162635 citations.
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TL;DR: In this article, a whole-field in-plane displacement measurement method was developed for micromechanics studies and the method increased the mean square error of the displacement measurement.
Abstract: A whole-field in-plane displacement measurement method was developed for micromechanics studies. The method increased the sen-
62 citations
TL;DR: In this article, a quantitative micromechanics-based analysis on the role of microstructure and constituent properties in the overall behavior of shape memory alloy (SMA) composite is carried out.
62 citations
TL;DR: In this article, two Si-type nanoparticles (SiC and SiO 2 ) added to glass fiber reinforced composites (GFRC) were investigated and it was found that tensile and compressive strength of epoxy matrix composites changed with thermal aging.
Abstract: The thermal resistance of glass fiber reinforced composites (GFRC) is often required for optimum performance. In the research reported in this paper two Si-type nanoparticles (SiC and SiO 2 ) added to GFRC were investigated. It was found that tensile and compressive strength of epoxy matrix composites changed with thermal aging. Differential scanning calorimetry (DSC) analysis disclosed that the epoxy-SiC composite had better thermal resistance than epoxy-SiO 2 . Microdroplet pull-out and short beam tests were used to determine interfacial shear strength (IFSS) and interlaminar shear strength (ILSS) between the epoxy matrix with the different Si nanoparticles and glass fibers. The reinforcing effects, the thermal resistance and the interfacial properties of the glass fiber/epoxy composites differed for the two types of Si nanoparticles, which was attributed to differences in their bonding. The addition of SiC nanoparticles produced the more thermal resistant composites, which is thought to be due to it inducing strong covalent bonding due to the “dangling bond effect” while SiO 2 induces rather weak hydrogen bonding by means of its oxygen. The SiC nanocomposites induced not only better thermal resistance but also better mechanical reinforcement.
62 citations
TL;DR: In this article, a thermodynamics-based model for viscoelastic composites with damage is described and an experimental characterization is conducted by an experimental method aided by finite element (FE) modeling.
62 citations
TL;DR: In this paper, a micromechanics model based on the Mori-Tanaka method was developed to estimate the elastic modulus of underfill materials and an explicit expression of the underfill modulus was derived as a function of filler content and the properties of the matrix and the fillers.
Abstract: In this paper, a micromechanics model based on the Mori-Tanaka method was developed to estimate the elastic modulus of underfill materials. An explicit expression of the underfill modulus was derived as a function of filler content and the properties of the matrix and the fillers. Predictions of the modulus from this theory were compared with experimentally measured values. Excellent agreement was observed.
61 citations