| About this Abstract |
| Meeting |
13th International Conference on the Technology of Plasticity (ICTP 2021)
|
| Symposium
|
13th International Conference on the Technology of Plasticity (ICTP 2021)
|
| Presentation Title |
Transcription of Mirror-finished Surface onto A5083 Aluminum Alloy Plate by Friction Stir Forming |
| Author(s) |
Takahiro Ohashi, Kento Okuda, Hamed Mofidi Tabatabaei, Tadashi Nishihara |
| On-Site Speaker (Planned) |
Takahiro Ohashi |
| Abstract Scope |
In this study, the surface smoothing effect was investigated with friction stir forming on JIS A5083 aluminum alloy plate with a mirror-finished nickel electroformed die. In the experiment, a material plate was placed on the die while friction stirring was conducted on its back surface. Furthermore, the high pressure and heat caused by the friction-stir process lead to material deformation, and the die surface profile was transferred to the material. The average of the arithmetical mean height (Ra) and maximum height of profile (Rz) of the material plate surface were improved from 2 and 17 micrometers to 1 and 9 micrometers, respectively. This improvement was achieved through a process that uses a die, whose surface roughness Ra and Rz were 1 and 8 micrometers, respectively. Moreover, the finished surface details were investigated, including its surface profile and microstructure, and discussion of the transcript mechanism by spectrum analysis using maximum entropy method (MEM) was presented. |
| Proceedings Inclusion? |
Definite: At-meeting proceedings |