| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advanced Laser Manufacturing of High-Performance Materials
|
| Presentation Title |
Wear Characteristics of AL203 Ceramic Coatings Manufactured by Laser Cladding and Selective Laser Melting |
| Author(s) |
Sumin Song, Yeonghwan Song, Taebum Kim, Jeongho Han, Kyuntaek Cho |
| On-Site Speaker (Planned) |
Sumin Song |
| Abstract Scope |
Additive Manufacturing (AM) has been highlighted due to its capability of forming complex structures with high density, and ceramic layer formed by AM has gained great attention due to its outstanding wear and corrosion resistance. In this study, two ceramic coatings were built on steel by laser cladding and selective laser melting to compare its wear characteristics by finding out the differences in bonding mechanisms. Hardness tests of Al2O3 layer manufactured by two processes were conducted with a Vickers hardness tester, and both had a declining trend from ceramic layer to matrix. By EPMA, over 10um-length of diluted layer was observed only in laser-cladded ceramic coating, which could result from strong metallurgical bonding. In addition, laser cladded specimen had greater wear resistance than selective laser melted specimen, which could be attributed to superior hardness and higher density of microstructure observed by OM and SEM. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Additive Manufacturing, Surface Modification and Coatings, Ceramics |