|About this Abstract
||2018 TMS Annual Meeting & Exhibition
||Additive Manufacturing of Metals: Establishing Location Specific, Processing-Microstructure-Property-Relationships III
||Additive Manufacturing of Niobium Carbide Reinforced Ti6Al4V Metal Matrix Composites Using LENS
||Jose Avila, Thomas Gualtieri, Amit Bandyopadhyay
|On-Site Speaker (Planned)
Laser engineered net shaping (LENS) was used to produce niobium carbide (NbC) reinforced Ti64Al4V (Ti64) matrix composites. Coatings were fabricated on commercially available Ti64 substrate. Ti64 with 5wt. %NbC coating compositions were produced using LENS. Samples were characterized by performing nanoindentation, tribology and microstructural analysis. The objective of the work was to determine if an increase in mechanical properties of Ti64 can be observed with the introduction of NbC; properties such as hardness, wear resistance and coefficient of friction. Significant findings consist of an observed increase in wear resistance with the addition of NbC, increased hardness and practical part fabrication was feasible. COF was observed to have the most noticeable reduction at a 3N loading. High magnification SEM micrographs revealed carbides cracked under the induced fatigue and microfragmentation of the Ti64 matrix around carbides. Presentation will focus on processing of these composites and results from mechanical and tribological characterization.
||Planned: Supplemental Proceedings volume