Dr Hongbing Yu is a postdoctoral research assistant. He completed undergraduate and Masters degrees in Material Science and Engineering at Chongqing University, followed by a PhD at Queen’s University, Canada. His PhD focused on TEM characterization of microstructure change in a Zr alloy induced by heavy ion irradiation, plastic deformation and thermal treatments. During this period he built up a wide range of knowledge including irradiation induced damage, phase transformation and plastic deformation mechanism in hcp and bcc metals.
In Jun 2017, Hongbing joined the Hofmann group. His project is to use TEM diffraction contrast techniques to study the 3D spatial distribution of irradiation induced lattice defects in thin films and nanoparticles. Together with X-ray diffraction results, this will provide a better understanding of irradiation induced damage and improve the properties of materials used in future fusion reactors.
- Developing a new 3D electron microscopy reconstruction method for long-standing problem in the research of the radiation damage in nuclear materials using a combination of computer vision techniques and stereo-imaging
- Applied recently developed SEM based advanced techniques to non-destructively probe the strain field and lattice distortion induced by irradiation damages and gain deeper insights into the nature of irradiation damage
- Using in situ TEM heating holder dynamically observe the evolution of defects at nano scale
- Characterization of structure of irradiation induced damage in nuclear materials and its effects on material properties
- H. Yu, J. Liu, P. Karamched, A.J. Wilkinson, F. Hofmann, Mapping the full lattice strain tensor of a single dislocation by High Angular Resolution Transmission Kikuchi Diffraction (HR-TKD), Scr. Mater. 164,36-41(2019)
- H. Yu, S. Das, J. Liu, H. Jason, F. Hofmann, Surface terraces in pure tungsten formed by high-temperature oxidation, Scr. Mater. 173, 110-114 (2019)
- H. Yu, Q. Dong, Z. Yao, H. Zhang, M.A. Kirk, M.R. Daymond, In-situ study of heavy ion irradiation induced lattice defects and phase instability in β-Zr of a Zr–Nb alloy, J. Nucl. Mater., 522, 192-199 (2019)
- H. Yu, X. Yi, F. Hofmann, 3D Reconstruction of the Spatial Distribution of Dislocation Loops Using an Automated Stereo-imaging Approach, Ultramicroscopy. 195,58-68 (2018).