A note on large deflection of elastic composite circular springs under tension and in push- pull configuration

摘要

Large deflection analysis on specially orthotropic midplane symmetric laminated circular springs under uniaxial tension and push-pull loadings is presented. Experimental verifications for the initial stage of load application are performed using E-glass woven roving/epoxy circular rings. It is demonstrated that by mounting two springs with similar mechanical and physical properties in a push-pull configuration, it is possible to obtain a symmetrical and nonlinear load-stiffness system with adjustable spring rate characteristic.