About this Abstract |
Meeting |
2024 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2024)
|
Symposium
|
2024 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2024)
|
Presentation Title |
Lower Cost Tensile Specimen for Additively Manufactured Lattice Structures |
Author(s) |
Joseph W. Fisher, Joseph Bartolai, C. R. Hasbrouck, Simon W. Miller |
On-Site Speaker (Planned) |
Joseph W. Fisher |
Abstract Scope |
Tensile testing is a commonly used method for characterizing both traditionally and additively manufactured (AM) materials. Testing AM cellular solids like lattice structures, because of the size and number of unit cells needed to accurately capture the bulk response of the lattice, requires larger test specimen using more material. Contemporary lattice specimen for tensile testing are built with solid grip regions to isolate the lattice in the gauge region from any grip effects. Building integral, non-reusable grips makes testing unnecessarily expensive and wasteful. This work demonstrates that samples need not be built as monolithic parts, and instead reusable or disposable grips can be used; reducing build time, material use, and overall cost. Multiple specimen geometries and attachment methods between the grip and gauge regions are explored in quasi-static conditions using Finite Element Analysis and physical testing. |
Proceedings Inclusion? |
Definite: Post-meeting proceedings |