External examiner of PhD theses for B.S. Abdur Rahman University (India), National Institute of Technology, Tiruchirappalli (India), Andhra University (India), Jilin University (China), Delft University of Technology (Netherlands), University of Manchester, University of Nottingham, Queen Mary University of London, University of Southampton, Limerick Institute of Technology (Ireland), Varna Technical University (Bulgaria).

Seminars or lectures given at external organisations:

College of Civil Engineering, Chongqing University, China

School of Materials and Metallurgy, University of Science and Technology Liaoning, China
School of Civil Engineering and Architecture, Zhejiang University Ningbo Institute of Technology, China
College of Materials Science and Engineering, Jilin University, China
Department of Mechanical Engineering, B.S. Abdur Rahman University, India
Advanced Structural Steel Group, Institute of Metal Research, Chinese Academy of Sciences
Advanced Materials Institute, Graduate School at Shenzhen, Tsinghua University
Department of Mechanical Engineering, Tsinghua University
Mechanics of Materials Research Group, Department of Engineering, University of Leicester
Department of Materials, Queen Mary, University of London
Materials Research Group, School of Engineering Sciences, University of Southampton
Sterling Group lecture tour to Kuala Lumpur (4 school/colleges) and Singapore (3 junior colleges)
Institute of Metal Science, Bulgarian Academy of Sciences
School of Materials Science & Engineering, Clemson University
Department of Materials Science & Engineering, University of Wisconsin Madison
Department of Materials Science & Engineering, Ohio State University
Beijing Institute of Aeronautical Materials
School of Materials Science, Harbin Institute of Technology
Department of Materials Science & Engineering, University of Surrey
Institut de Sciences des Matériaux, Université Paris-Sud
Faculte des Sciences, Université de Rouen
Hahn-Meitner-Institut
Centre for Materials Science & Engineering, Massachusetts Institute of Technology
Department of Materials Science & Engineering, Northwestern University
Department of Metallurgical Engineering & Materials Science, Carnegie Mellon University