Host: The Japan Society of Mechanical Engineers
Name : [in Japanese]
Date : October 07, 2017 - October 09, 2017
In order to investigate the effect of sessile dislocation on the fracture strength of nanoscale materials, fracture tests were carried out for nano-scale SrTiO3 single crystal specimens with an array of sessile dislocations. The fracture strength of the specimens was about 30 % lower than that of a specimen without dislocation array. High resolution transmission electron microscope (HRTEM) observation indicated the fact that the dislocation can be a fracture starting point in nanoscale materials.