Sansan Ao, Associate Professor, Ph.D. Supervisor, is currently working in the School of Materials Science and Engineering at Tianjin University in Tianjin, China. He got Bachelor of Engineering from School of Materials Science and Engineering in Hebei University of Science and Technology in 2007. He earned a Master’s degree and Ph.D. from Tianjin, China in 2012. Then he was a postdoctoral fellow in the same university from 2012 to 2014. Between 2014 and 2015, he went to University of South Carolina as a visiting scholar. He has carried out basic research work closely around the processing of "intelligent material NiTi shape memory alloy", including arc additive manufacturing of NiTi memory alloy, ultrasonic welding of NiTi and ultra-precision electrochemical processing of NiTi alloy, in order to solve the preparation, connection and processing of memory alloy materials. Scientific issues in processing and corresponding key technologies for breakthroughs. He won the Special Prize of 2022 Tianjin Municipal Teaching Achievement Award for Higher Education (Undergraduate) in 2022. He won the International Institute of Welding (IIW) Ugo Guerrera Prize in the same year.