IIW Annual Report 2021


Through their leadership the chairs of IIW Working Units voluntarily share their knowledge, experience and resources to make excellent contributions to the vibrancy and productivity of the Working Units, the progress of IIW and the promotion of welding around the world.

Prof. SuJun Wu is currently a full-time professor in the School of Materials Science and Engineering, Beihang University, Beijing, P.R. China. He received his bachelor and master degrees from Xi’an Jiaotong University, Xi’an, Shanxi province, China, in 1983 and 1986, respectively. In 1997 he was awarded a PhD on his dissertation Micro-mechanisms of Fracture in Transition Welds by the University of Birmingham School of Metallurgy and Materials, Birmingham, UK. After graduation he continued as a Research Fellow at Birmingham University for a further six years before accepting a position as Professor at Beihang University. He is currently a Standing Committee member of the Chinese Materials Society (CMS), a member of the Chinese Welding Society (CWS) committee and a member of the Forum of Engineering Structural Integrity, UK council. He has served as materials expert for various associations and organisations. Prof. Wu’s research interests include: welding metallurgy; structural integrity assessment; fatigue and fracture; failure analysis; relationship between microstructure and mechanical properties of metals and welds, as well as composite materials; and R&D of newmaterials and processing procedures. He has published over 100 peer-reviewed SCI-indexed scientific research papers, and organised many conferences, symposiums and workshops as organising committee chair or member. Dr Zhuyao Zhang is currently R&D Director of Lincoln Special Alloys at Lincoln Electric Europe. He has more than 26 years of experience in welding metallurgy, welding consumable design and manufacturing as well as welding engineering applications. Dr Zhang gained his Bachelor and Master degrees in P.R. China where he worked for four years as a university lecturer before moving to the UK. He received his PhD degree in 1994 in Welding Metallurgy from the University of Southampton. In 1995, he was awarded the Pfizer Medal by the Institute of Materials UK for the best-published research paper of the year. After his doctorate, he joined Metrode Products Limited as a Senior R&D Engineer in 1995 and progressed his career to R&D Director in 2004 and Technical Director of Metrode from 2012-2018, leading all the technical responsibilities for the company. From July 2018, Dr Zhang became the R&D Director of Lincoln Special Alloys. While being responsible for development of many alloy welding filler metals and applications, Dr Zhang has also published many research and technical papers on various aspects of welding metallurgy and applications in peer - reviewed journals and international conferences. He represented the UK in ISO/TC44/SC3 during 2008 – 2010. Dr Zhang has been an active contributor of IIW Commissions II and IX since 1996. He is currently the UK Delegate to Commission II and has served as the Chairman of Sub-commission II-C since 2012. Prof. Mitsuru Ohata is currently a full-time professor in the Department of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, Osaka, Japan. He received his Bachelor and Master degrees from Osaka University, Japan, in 1993 and 1995, respectively, and Doctor of Engineering from Osaka University, Japan, in 1997. He worked as a visiting researcher at the University of Maribor, Faculty of Mechanical Engineering, Slovenia, and GKSS Research Institute, Institute of Materials Research, Germany, during 2001-2002. He is currently an Academic Member of the Japan Welding Engineering Society (JWES), and also serves as Director for the Japan Welding Society. His research fields are fracture/damage mechanics for structural integrity assessment, and fracture modelling for the advanced numerical simulation- based design and assessment of welded structural components. His research activities contribute to the national standards, WES 1108, WES 1109, WES 2805, and WES 2808, and international standards, ISO 15653 and ISO 27306 related to the fracture toughness testing and fitness-for-service assessment for weld components.

PROF. SU JUN WU C-XI / Pressure Vessels, Boilers and Pipelines (Peoples Republic of China)

DR ZHUYAO ZHANG C-II / Arc welding and Filler Metals (United Kingdom)

PROF. MITSURU OHATA C-X / Structural Performances of Welded Joints - Fracture Avoidance (Japan)


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