| About this Abstract |
| Meeting |
MS&T24: Materials Science & Technology
|
| Symposium
|
Additive Manufacturing: Microstructure, Defects, and Properties
|
| Presentation Title |
Influence of Process Parameters on the Microstructure, Texture, and Mechanical Properties of LBPF Haynes 282 |
| Author(s) |
Nicholas L. Lamprinakos, Junwon Seo, Yu-Tsen Yi, Anthony Rollett |
| On-Site Speaker (Planned) |
Nicholas L. Lamprinakos |
| Abstract Scope |
Haynes 282 (H282) is a nickel-based superalloy which is well suited for applications utilizing additive manufacturing (AM) where high temperature mechanical performance is important. This is because of its relatively high tensile and creep properties compared to other superalloys that are readily printable. However, to ensure the best performance from parts printed with H282, it is important to understand how the printing and post-processing parameters will influence the microstructure of the alloy and thereby its properties. In this work, H282 samples were printed via laser powder bed fusion (LBPF) using varied printing parameters and subjected to different post processing heat treatments. The grain morphology and texture were examined using electron backscatter diffraction (EBSD) and X-ray diffraction (XRD) to determine how the processing parameters influence the microstructure and texture. Hardness, tensile, and creep tests were then conducted to correlate the observed microstructures with the resulting mechanical properties. |