| About this Abstract |
| Meeting |
Additive Manufacturing Benchmarks 2022 (AM-Bench 2022)
|
| Symposium
|
Additive Manufacturing Benchmarks 2022 (AM-Bench 2022)
|
| Presentation Title |
Linkage of Microstructural Features and Mechanical Properties of BinderJet Fabricated 316 Stainless Steel Through Ultrasound Measurements |
| Author(s) |
Nancy Huang, Olivia J. Cook, Robert L.W. Smithson, Christopher M. Kube, Andrea P. Argüelles, Allison M. Beese |
| On-Site Speaker (Planned) |
Nancy Huang |
| Abstract Scope |
Binder jet additively manufactured stainless steel 316L (SS316L) and stainless steel 316 infiltrated with bronze (SS316+bronze) samples were characterized through ultrasonic testing, microscopy, and mechanical testing. Ultrasonic attenuation increased, and wave speed decreased, with increased porosity, and wave speed was positively correlated to grain size. Interconnected pores and larger grains were present near the center of the SS316L sample, compared to the isolated pores and smaller grains near the SS316L sample surfaces, leading to competing influences in the measured wave speed. Samples machined from the SS316L and SS316+bronze had decreasing ultimate tensile strength and ductility with increased grain size and porosity, as indicated by an increase in both the attenuation and the standard deviation of wave speed. This presentation will demonstrate the application of ultrasonic testing to detect variations in microstructure and mechanical properties in metal alloys made via binder jetting. |
| Proceedings Inclusion? |
Undecided |