Host: The Japan Society of Mechanical Engineers
Name : [in Japanese]
Date : November 02, 2019 - November 04, 2019
In this study, honeycomb structure having a hexagonal periodic microstructures were prepared by using a 3D printer. A four-point support bending test of the honeycomb structure beams with different sizes was performed, and the effect of microscopic structures on the macroscopic mechanical properties of the structures was evaluated. Digital Image Correlation was used to evaluate the local strain generated in the specimen during the bending. The relationship between the bending load and deflection obtained from the bending test showed that the bending stiffness decreased as the size increased. Result of DIC, revealed that the magnitude of the strain on the hexagonal side increases in the pure bending region of the specimen. The strain on the upper and lower ends of the beam was the largest.
