Vol. 13, No. 3, 2018

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Circular-hole stress concentration analysis on glass-fiber-cotton reinforced MC-nylon

You Rui Tao, Ning Rui Li and Xu Han

Vol. 13 (2018), No. 3, 337–349

The influence of geometrical discontinuities on the stress distribution is critical for design applications. A novel type of composite, named glass-fiber-cotton reinforced monomer casting nylon (GFCR MC-nylon), is prepared, and the circular-hole stress concentration of a GFCR MC-nylon plate is investigated via the digital image correlation technique (DIC). The experimental results show that the stress concentration factor (SCF) of the composite varies with the diameter of the circular hole and stress intensity. A novel finite element model is established to investigate the influence of glass-fiber (GF) length on SCF. The simulation results show high agreement with the experimental results. The findings provide the basis for the structure design of fiber-cotton reinforced composite.

concentration, fiber-reinforced composite, digital image correlation technique, simulation
Received: 21 January 2018
Revised: 5 May 2018
Accepted: 10 May 2018
Published: 31 August 2018
You Rui Tao
State Key Laboratory of Reliability and Intelligence of Electrical Equipment
Hebei University of Technology
Ning Rui Li
College of Mechanical Engineering
Hebei University of Technology
Xu Han
College of Mechanical Engineering
Hebei University of Technology