|About this Abstract
||2023 TMS Annual Meeting & Exhibition
||Environmental Degradation of Additively Manufactured Alloys
||Metal Dusting and Surface Treatment of Additively Manufactured Ni-Cu Alloys and Alloy 699XA
||Till König, Ceyhun Oskay, Clara Schlereth, Emma White, Lukas Reiff, Katrin Jahns, Anke Silvia Ulrich, Ulrich Krupp, Mathias C. Galetz
|On-Site Speaker (Planned)
Ni-Cu alloys represent an interesting class of materials for carburizing conditions, since Cu inhibits the catalytic deposition of carbon and thereby increases the resistance to metal dusting. Since time and place of the metal dusting are difficult to predict, on-site additive manufacturing will help to keep plant downtimes low.
In this study the metal dusting resistance of additively manufactured Ni-Cu alloys was investigated at 18 bar for up to 1000 h. The investigated alloys were binary and ternary Ni-Cu alloys as well as variations of Monel 400 in comparison to the additively manufactured alloy 699XA. The influence of the manufacturing process, alloy composition and surface treatment on metal dusting was investigated. As a new approach to surface refinement a pack cementation process was investigated for the alloy 699XA and tested in oxidizing conditions.
||Additive Manufacturing, High-Temperature Materials, Environmental Effects