Abstract
How will a ply or a laminate behave when it undergoes a change of temperature? Will clearances in the plane, or curvatures causing out-of-plane displacements, be acceptable? Will the product warp? Will it warp too much? What modes of deformation might we expect to see in a given ply or laminate? How does laminate construction affect the deformation response to a change of uniform temperature or a temperature gradient through the thickness of the ply or laminate? For example, which of the following midplane strain and curvature responses in Figure7.1 is likely from which initially-flat single ply or laminate constructions under a change of uniform temperature? What types of stress will be set up in the plies and what effect will this have on the strength of the laminate, bearing in mind the simultaneous application of mechanical loads?
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Further Reading
The most readable introductions to change of uniform temperature in laminates in standard texts are by Jones, Datoo, and Agarwal and Broutman.
Agarwal, B.D. and Broutman, L.J. (1990) Analysis and Performance of Fibre Composites, Wiley.
Datoo, M.H. (1991) Mechanics of Fibrous Composites, Elsevier.
Hyer, M.W. (1983) Non-linear effects of elastic coupling in unsymmetric laminates, in Z. Hashin and C.T. Herakovich (eds) Mechanics of Composite Materials: recent advances, Pergamon Press, Oxford.
Hyer, M.W. (1981) Calculations of the room-temperature shapes of unsymmetric laminates, J. Composite Materials, 15, 296.
Hyer, M.W. (1982) The room-temperature shapes of four-layer crossply laminates, J. Composite Materials, 16, 318.
Jones, R.M. (1975) Mechanics of Composite Materials, McGraw-Hill.
Schapery, J. (1968) Thermal expansion coefficients of composite materials based on energy principles, J. Composite Materials 2, 380–404.
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© 1994 Peter C. Powell
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Powell, P.C. (1994). Effect of change of temperature. In: Engineering with Fibre-Polymer Laminates. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0723-5_7
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DOI: https://doi.org/10.1007/978-94-011-0723-5_7
Publisher Name: Springer, Dordrecht
Print ISBN: 978-0-412-49620-2
Online ISBN: 978-94-011-0723-5
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