By Nikhil Gupta, Dinesh Pinisetty, Vasanth Chakravarthy Shunmugasamy
Reinforced Syntactic Foams: impact of Nano and Micro-Scale Reinforcement examines the fabrication procedures, mechanism of reinforcement, and structure-property correlations of strengthened syntactic foams. The authors current the state-of-the-art during this box, examine the homes of varied different types of syntactic foam platforms comprising various matrix, hole particle, and reinforcement fabrics. The ebook extra identifies theories necessary in predicting the homes of bolstered syntactic foams and undertaking parametric reviews to appreciate the chance for tailoring their properties.
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Extra info for Reinforced Polymer Matrix Syntactic Foams: Effect of Nano and Micro-Scale Reinforcement
Sample text
It is challenging to model syntactic foams that contain high volume fractions of hollow particle (close to packing limit) because of particle-to-particle interaction effects. Two models are used in the present chapter to estimate the properties of multiscale syntactic foams. Both models are applicable to plain syntactic foams containing only hollow particles in matrix. Therefore, semi-empirical approach is adopted and the experimentally measured properties of nanofibers reinforced polymer are assigned to the matrix.
While theoretical models are not available on fiber reinforced syntactic foams, insight into the properties of such composites can be obtained from a simulation study. Finite element analysis is conducted on a unit cell geometry comprising a hollow particle and a fiber in this study [126]. The calculated elastic modulus from this model matched closely with the experimental results taken from the literature [96]. 1 Finite element analysis results of von-Mises stress for y-direction loading of a unit cell model of a fiber reinforced syntactic foam.
On the contrary, foams containing fiber orientation perpendicular to the loading direction showed no measurable change in strength. The strength and modulus increase with density for reinforced syntactic foams. 2 GPa, respectively. Keywords Syntactic foam • Hollow particle • Nanoscale reinforcement • Carbon nanofiber • Carbon nanotube • Nanoclay • Compressive modulus • Compressive strength • Particle crushing • Density-strength relation • Density-modulus relation A large number of syntactic foam applications are based on their compressive properties.