About this Abstract |
Meeting |
2024 TMS Annual Meeting & Exhibition
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Symposium
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Additive Manufacturing: Process-induced Microstructures and Defects
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Presentation Title |
Influence of Mo Micro-particles on Crack Formation, Microstructure, and Mechanical Behaviour of Laser Powder Bed Fusion Fabricated CuZrAl Bulk Metallic Glass Composites |
Author(s) |
Parthiban Ramasamy, Pei Wang, Yang Lei, X. F. Liu, Jürgen Eckert |
On-Site Speaker (Planned) |
Parthiban Ramasamy |
Abstract Scope |
In this work, high-density (99%) and crack-free bulk metallic glass composites (BMGCs) based on a Cu47Zr47Al6+Mo were produced via selective laser melting (SLM). 5 vol% of refractory- Mo powders (20-30 μm) was mixed with Cu47Zr47Al6 (15 - 53 μm) BMG powders to improve strength and plasticity. The results show that the addition of Mo particles plays a vital role in reducing the cracks, and also decreases the amorphous phase percentage. The original shape and distribution of the refractory Mo particles remained unaffected in the matrix due to the low energy density (25.6 J/mm3) used for the whole process. At the interface between Mo particles and BMG matrix diffusion zone in the range of 600-800 nm was observed. Excellent mechanical properties such as high hardness and compressive strength were achieved in comparison with the as-cast and SLM Cu47Zr47Al6 BMG samples. |
Proceedings Inclusion? |
Planned: |
Keywords |
Additive Manufacturing, Composites, Mechanical Properties |