Paper Title:
Impact Testing on Al2O3 and Al2O3/ZrO2 Laminated Composites
  Abstract

This study presents an investigation about the damage characteristics and mechanical properties of Al2O3/ZrO2 laminate composites under low velocity biaxial and transient loading (BLTL). These multilayer laminates have different layer thickness therefore residual stresses and are compared to a 13-layer alumina specimen. Impact tests were conducted using a drop-weight test facility with impact energies ranging from 0.033-0.160 kgm. Optical microscopy was used to observe the damage characteristics of the impacted specimens. The load-time and energy-time histories produced by the impact tests in conjunction with the observation of the optical photographs give a good view of the behaviour that characterize the multilayers of Al2O3 (A) and Al2O3/ZrO2 (AZ) ceramics under the selected experimental conditions.

  Info
Periodical
Edited by
P. VINCENZINI
Pages
1462-1468
DOI
10.4028/www.scientific.net/AST.45.1462
Citation
C. S. Ioakimidis, G. de Portu, "Impact Testing on Al2O3 and Al2O3/ZrO2 Laminated Composites", Advances in Science and Technology, Vol. 45, pp. 1462-1468, 2006
Online since
October 2006
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$32.00
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