| About this Abstract |
| Meeting |
MS&T23: Materials Science & Technology
|
| Symposium
|
Additive Manufacturing of Metals: Microstructure, Properties and Alloy Development
|
| Presentation Title |
Understanding Processing-Microstructure-Property Relationships for WAAM and LP-DED in Duplex Stainless Steels |
| Author(s) |
Grant A. Johnson, Maria J Quintana, Sougata Roy, Peter C Collins |
| On-Site Speaker (Planned) |
Grant A. Johnson |
| Abstract Scope |
There are advantages and shortcomings to all manufacturing methods, including additive manufacturing methods. Wire arc additive manufacturing (WAAM) exhibits very high deposition rates while Laser Powder Directed Energy Deposition (LP-DED) can fabricate compositionally and geometrically complex parts. Duplex stainless steels are of particular interest due to their great mechanical properties and corrosion resistance in marine, chemical and paper industries. Duplex stainless steel parts manufactured using WAAM and LP-DED have been analyzed to elucidate the specific processing-microstructure-properties relationships using these two AM methods. This work will help to create a basis for creating parts with self-similar microstructures using a hybrid technique consisting of both WAAM and LP-DED which can increase the throughput for large, complex parts. |