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Multi-layer
Laminates
A
laminate is a series of unidirectional laminae bonded together so that their
fiber directions make different angle with a material axis. By controlling
the number of layers and the fiber angles, the laminate may have its mechanical
properties tailored to specific tasks.
The diagram shows typical fiber directions in
a multi-layer laminate that is symmetrical about its center. The symmetry of
a laminate is important in determining its response to temperature changes, applied
stresses, and other external conditions. The layup shown will produce
a material with nearly isotropic properties in its plane and minimum sensitivity
to temperature and humidity changes.
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