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This book focuses on piezoelectric toughening, where a part of the mechanical energy inducing crack extension is converted into electrical energy or dissipated by domain alignment/domain wall movement. The effectiveness of this toughening mechanism, like other established mechanisms, depends on several aspects such as energetics of the piezoelectric transition, processing/densification of the matrix phase, particle size and distribution of secondary phase, interface between secondary and matrix phase etc. Therefore, to develop a comprehensive understanding, knowledge of all the aspects is a prerequisite. This book is therefore dedicated to all aspects of toughening by piezoelectric secondary phases.
About the author
Ashutosh Kumar Dubey, PhD, is an Assistant Professor and Ramanujan Fellow in the Department of Ceramic Engineering at Indian Institute of Technology (BHU), Varanasi, UP, India. He received the Young Scientist Award from the Indian Science Congress Association (2011-2012)and the Indian Ceramic Society (2015; Dr. R. L. Thakur Memorial Award), Japan Society for the Promotion of Sciences (JSPS) Fellowship for Foreign Researchers (2012-14) and Ramanujan Fellowship the Department of Science and Technology, government of India (2015-20).
Mohammad Imteyaz Ahmad, PhD, is an Assistant Professor, in the Department of Ceramic Engineering at Indian Institute of Technology (BHU), Varanasi, UP, India. His research group at IIT (BHU) is actively working on processing and characterization of structural ceramic materials and he is involved in teaching thermodynamics, phase equilibria and mechanical properties of ceramic materials to undergraduate and graduate students for the last five years. He has published more than 25 research articles in reputed journals and has been invited to present research findings to several international conferences.
Pradip Kumar Roy, PhD, is an Assistant Professor, in the Department of Ceramic Engineering at Indian Institute of Technology (BHU), Varanasi, UP, India. Dr. Roy's research focuses on the synthesis, characterization and application of magnetic and piezoelectric materials. Recently he has started to work on the fabrication of sustainable ceramics derived from solid wastes with attention on solid waste to value-added ceramics conversion.
