| About this Abstract |
| Meeting |
Materials Science & Technology 2020
|
| Symposium
|
Sintering and Related Powder Processing Science and Technologies
|
| Presentation Title |
Electron Microscopy Observation of Electric Field Assisted Sintering of Stainless Steel Nanoparticles |
| Author(s) |
Fei Wang, Qin Zhou, Xingzhong Li, Michael Nastasi, Bai Cui |
| On-Site Speaker (Planned) |
Fei Wang |
| Abstract Scope |
The intrinsic role of electrical current on the electric field-assisted sintering (EFAS) process of stainless steel 316L nanoparticles has been revealed by both ex situ and in situ experiments. A novel device on the Si chip that has been designed and fabricated to fit into the sample holder of a transmission electron microscope for these experiments. The evolution of nanoparticle morphology and microstructures during the EFAS process has been studied using scanning electron microscopy (SEM) and transmission electron microscopy (TEM), which has been combined with the simultaneous measurement of the electric voltage and current changes. A four-stage mechanism for the EFAS process of stainless steel 316L nanoparticles has been proposed based on these experimental investigations. |