Numerical Analysis of the GF/UHMWPEF Interply Hybrid NOL Ring Critical Volume Fraction

Abstract:

The tensile test of NOL ring composites with different interply hybrid ratio is simulated by finite element software. The relationship between the stress of Naval Ordnance Laboratory(NOL) ring and the volume fraction of UHMWPEF is linear when the matrix suffering from the equal loading, but tower suddenly appears at the point of 56.25% which is about the critical volume fraction. The critical volume fraction of hybrid NOL ring is figured out on the basis of the constant strain model. By contrast, the results of the Finite Element Method (FEM) and constant strain model have subtle differences. Tooth contact analysis can exactly predict the stress of the interply hybrid NOL ring and the critical volume fraction of GF in interply hybrid NOL ring which has lower breaking strain than UHMWPEF does.

• Periodical: Advanced Materials Research (Volumes 457-458)
• Pages: 449-452
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.457-458.449
• Online since: January 2012
• Authors: Ming Lin Xu, Xiao Qing Wu, Ming Kang An
• Keywords: Constant Strain Model, Critical Volume Fraction, Finite Element Method (FEM), Interply Hybrid, NOL Ring

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