X-ray radiographs of hcp-iron (IMAGE) Ehime University Caption X-ray radiographic images before and during deformation experiments of hcp-iron at 16.5-17.5 GPa and 823-873 K. The sample strain during deformation was determined from these radiographs. Credit Yu Nishihara, Ehime University Usage Restrictions Please get copyright permission License Original content 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.