Paper Title:
Quasi-Static Failure Analysis of Composite Sandwich Panels
  Abstract

Due to many of advantages such as lightweighted, high-bending mechanical characteristics, composite sandwich materials play an important role in today’s structural manufacturing industry. This study is to aim at the low-velocity impact responses of sandwich plates subjected to a rigid, spherical-shaped impactor. The sandwich made of PVC core material (two kinds of core with different densities) and FRP facesheets (three kinds of fibrous laminae) were investigated experimentally and numerically. Because the dynamic behaviors of specimens due to low velocity impact is nearly the same to those in static indentation, the impact failure analysis of sandwich material can be simulated statically. Beside the experiment, finite element method was employed to analyze the static failure behaviors of sandwich panels. With the maximum stress failure criterion as well as a modified stiffness degradation method coded in the finite element software, the initial failure and sequential progressive failure process can be analyzed effectively.

  Info
Periodical
Chapter
Chapter 1: Materials Science and Engineering
Edited by
Dongye Sun, Wen-Pei Sung and Ran Chen
Pages
316-319
DOI
10.4028/www.scientific.net/AMM.121-126.316
Citation
I. Y. Hsu, "Quasi-Static Failure Analysis of Composite Sandwich Panels", Applied Mechanics and Materials, Vols. 121-126, pp. 316-319, 2012
Online since
October 2011
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Price
$32.00
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