Fracture Energy in Model Glasses (image) American Institute of Physics Share Print E-Mail Caption Measuring fracture energy in model glasses with various ductility; showing the deformation morphologies for glasses with various ductilities; and measured fracture energy (and normalized fracture energy by the surface energy). Credit Binghui Deng and Yunfeng Shi Usage Restrictions This image may be used only with appropriate credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.