Paper Title:
Tensile Behavior and Fracture Toughness of Glass Fiber Reinforced Aluminum Laminates According to Fiber Layer Orientation
  Abstract

The objective of this study is to investigate the tensile behavior and fracture toughness of glass fiber reinforced aluminum hybrid laminates (GFAL) in association with the fracture process using plain coupon and single-edge-notched specimens. The tensile properties of GFAL, such as elastic modulus and ultimate tensile strength, were clearly dependent on the fiber orientations. In particular, the superiority of GFAL0 in KIC and GIC was much more pronounced than that of monolithic Al 1050. However, a transverse crack parallel to the fiber orientation reduced the toughness of GFAL considerably. Microscopic observations of the fracture zone in the vicinity of the crack tip exhibited various modes of micro-fracture in the respective layers as well as fiber fractures and interface delamination between fiber composite and Al layers. Such a damage evolution in GFAL depending on the fiber layer orientation had strongly influence upon the tensile behavior and the toughness of GFAL.

  Info
Periodical
Key Engineering Materials (Volumes 326-328)
Edited by
Soon-Bok Lee and Yun-Jae Kim
Pages
1039-1042
DOI
10.4028/www.scientific.net/KEM.326-328.1039
Citation
S. C. Woo, "Tensile Behavior and Fracture Toughness of Glass Fiber Reinforced Aluminum Laminates According to Fiber Layer Orientation", Key Engineering Materials, Vols. 326-328, pp. 1039-1042, 2006
Online since
December 2006
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Price
$32.00
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