K. Linga Murty, PhD, is Distinguished Professor of Nuclear Engineering at North Carolina State University, USA. His research focuses on deformation, creep, fatigue, and fracture behaviors of nuclear core and pressure boundary materials, with particular emphasis on structure-property relationships and effects of radiation exposure. Indrajit Charit, PhD, is Professor and Chair of the Department of Nuclear Engineering and Industrial Management at the University of Idaho, USA. His research focuses on developing processing-structure-properties relationships in nuclear reactor materials.