Static and Fatigue Properties of FDM-3D Printed Metallic Materials and Lattice Structures

3D printing is versatile and time-saving to fabricate parts with complex structures. It is an essential supplement to conventional processes for metal components. But, the high cost of metal 3D printing severely limits their industrial applications. Recently, the Fused Deposition Modeling (FDM) method can 3D print metals at a lower price. The composite filament contains metal powder evenly distributed within the binder matrix. The melting filament is then deposited onto a build platform. In 3D printing, each layer hardens as it is deposited and bonds to the previous layer. The full metal parts are obtained by the following debinding and sintering process. Yet, metal FDM-3D printing has not been thoroughly studied. This project will unveil the mechanical performance of FDM-3D printed metal components. Their static and fatigue properties will be studied analytically, numerically, and experimentally. The fabrication defects and their impact on material performance will be identified. The knowledge gained will be applied in lattice structure development. The research outcome will improve metal 3D printing and reduce manufacturing costs.

Faculty Supervisor:

Hang Xu

Student:

Partner:

Yanshan University

Discipline:

Engineering

Sector:

Education

University:

Concordia University

Program: