Out-of-Plane Buckling of Fiber-Reinforced Thermoplastic Sheets Under Homogeneous Biaxial Conditions

[+] Author and Article Information
G. R. Christie, D. Bhattacharyya

Department of Mechanical Engineering, School of Engineering, University of Auckland, Auckland, New Zealand

I. F. Collins

Department of Engineering Science, School of Engineering, University of Auckland, Auckland, New Zealand

J. Appl. Mech 62(4), 834-840 (Dec 01, 1995) (7 pages) doi:10.1115/1.2896008 History: Received March 02, 1994; Revised June 10, 1994; Online October 30, 2007


The mechanical behavior of fiber-reinforced composite thermoplastic sheets during forming processes is modelled as a viscous fluid with inextensibility and incompressibility constraints. Techniques of linear stability analysis are used to study the growth or decay of initial imperfections in plane sheets reinforced by two families of fibers subjected to biaxial strains. This theory delimits situations when buckles can be expected to form during forming operations.

Copyright © 1995 by The American Society of Mechanical Engineers
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