Forming of Laminates

By Tjarko de Jong
September 2004
Delft University Press
ISBN: 9040725063
288 pages, 6 ½" x 9 ½"
$87.50 Paper Original

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This is a Ph.D. dissertation. Fibre-Metal-Laminates (FMLs), of which GLARE is an example, have excellent properties for aerospace applications. The metal layers in the laminate permit permanent plastic deformations of the whole laminate; in principle, FMLs can be formed with common sheet metal metal forming processes. A key difference between monolithic sheet metal and FMLs lies in the large number of failure modes for FML.

Of particular interest is the delamination failure mode, which is unique for laminates. In order to predict delamination failure, the transverse shear stress distribution must be known. Different approaches to determine the internal stress distribution of the laminate on an analytical basis are compared with each other and with experimental results. The analytical models developed are implemented into a stand alone software package to act as a design tool.

Contents include: Introduction, Laminate Behavior, Laminate Deformation, Design Tool Development, Design Tool Components, Model Behavior, Test Method and Results, Discussion, Conclusions.

Materials Science

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