About this Abstract |
Meeting |
6th International Congress on 3D Materials Science (3DMS 2022)
|
Symposium
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6th International Congress on 3D Materials Science (3DMS 2022)
|
Presentation Title |
Automated Serial-sectioning Method using Electrolytic Etching and Precision Cutting for 3D Microstructure Observation of Additively Manufactured Alloy 718 |
Author(s) |
Shunsaku Kawasaki, Norio Yamashita, Shoan Mizuno, Shinya Morita, Hideo Yokota |
On-Site Speaker (Planned) |
Norio Yamashita |
Abstract Scope |
Metal additive manufacturing has been attracting attention as an innovative technology for manufacturing complex-shaped parts, especially in the aerospace industry. Alloy 718 has shown great promise as a material suitable for high-temperature applications and with excellent chemical stability. However, in metal additive manufacturing of Alloy 718, three-dimensional anisotropy in microstructure shape occurs, which affects the mechanical strength. Therefore, three-dimensional microstructure observation is required. In this study, a fully automated serial sectioning method using electrolytic etching and precision cutting was developed for Alloy 718. Using the ultrasonic elliptical vibration cutting method, we found the conditions under which the mirror surface of Alloy 718, a difficult-to-cut material, could be created. The mirror surface creation was achieved within one minute. By acquiring 50 cross-sections in less than three hours, we succeeded in acquiring the anisotropic 3D microstructure of additively manufactured Alloy 718 with a resolution of less than one micrometer. |
Proceedings Inclusion? |
Definite: Other |