MSE Seminar – Prof. Yi-Sheng CHEN (16 December 2024)
| Title: | Microscopic characterizations of hydrogen distribution and hydrogen embrittlement in steels |
| Speaker: | Prof. Yi-Sheng CHEN Nanyang Assistant Professor Singapore National Research Foundation Fellow Nanyang Technological University, Singapore |
| Date: | 16 December 2024 (Monday) |
| Time: | 3 pm |
| Venue: | LI-2413, 2/F, Li Dak Sum Yip Yio Chin Academic Building |
| Abstract: |
The presence of hydrogen in metallic materials can cause catastrophic early fractures that is known as hydrogen embrittlement. Observing the hydrogen and its associated influences in microstructure has been a grand challenge that limits the development of a solution to this problem. To this end, our research group have developed a special tool, cryogenic atom probe tomography (cryo-APT), for hydrogen mapping and applied it in combination with a micromechanical approach to investigate hydrogen embrittlement in steels. Our efforts have led to new insights for deciphering hydrogen trapping and embrittling mechanisms in steels, facilitating the development of the steel microstructure that has a good resistance to hydrogen embrittlement. |
| Enquiries: | mse@cityu.edu.hk |