| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Additive Manufacturing and Alloy Design: Bridging Fundamental Physical Metallurgy, Advanced Characterization Techniques, and Integrated Computational Materials Engineering for Advanced Materials
|
| Presentation Title |
Improvement of the Mechanical Properties of Austenitic Stainless Steel by Incorporating TiN-WC Ceramic Nanoparticles Fabricated Via Selective Laser Melting |
| Author(s) |
Baibhav Karan, Qiyang Tan, Ayan Bhowmik, Mingxing Zhang |
| On-Site Speaker (Planned) |
Baibhav Karan |
| Abstract Scope |
316L SS is utilized for its excellent corrosion resistance, however, its low yield strength (170 MPa), limits its engineering applications. Reinforcing metal matrix composites with ceramic nanoparticles can achieve a balance between strength and ductility. However, synthesis of nanocomposite has been a challenge due to the aggregation of nanoparticles. SLM is a technique to address this challenge. This study demonstrates the significance of preparing 316L matrix, TiN-WC reinforced nanocomposite with enhanced strength via SLM. The results indicate that specifically, TiN contributes to grain refinement, while WC enhances strength through Orowan strengthening. Tensile tests revealed that the tensile strength of the composites exceeds 1 GPa, representing a 45% increase compared to pure 316L, and composites exhibit an elongation of approximately 38%. Furthermore, the corrosion resistance of the fabricated composite surpasses the wrought alloy. These results offer valuable insights into improving the combined strength-ductility properties of 316L without compromising its corrosion resistance. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Composites, Mechanical Properties, Additive Manufacturing |