|About this Abstract
||2018 TMS Annual Meeting & Exhibition
||Alloy Development and Powder Manufacture for Additive Manufacturing
||Microstructure and Mechanical Properties of BN Reinforced Inconel 718 Composites Processed by Laser Powder Bed Fusion (LPBF)
||Joon-Phil Choi, Flavio Weinstein Silva, Ji-Hun Yu, Mathieu Brochu
|On-Site Speaker (Planned)
Nickel-based superalloy, Inconel 718 (IN718), is widely used in aerospace and nuclear industries due to its high mechanical strength and oxidation and corrosion resistance under high temperatures. However, the anticipated engineering applications of IN718 will entail continuous exposure to extreme conditions, which will require a further increase in its specific mechanical performance. For this purpose, metal matrix composite (MMC) can be considered as a great potential for incorporating metallic properties with ceramic properties, yielding improved physical and mechanical properties. Boron nitride (BN) has become a promising candidate reinforcement material due to its extraordinary thermo-mechanical properties. In this study, BN-reinforced IN718 composites were fabricated by laser powder bed fusion (LPBF) process. In particular, we focused on the effect of the reinforcement (BN) volume content on the microstructural development and mechanical properties, including on its densification level, microhardness, and compressive strength, as well as wear properties at room temperature.
||Planned: Supplemental Proceedings volume