The Reactive Additive Manufacturing for the Fourth Industrial Revolution, or RAMFIRE, project focuses on advancing lightweight, additively manufactured aluminum rocket nozzles
The RAMFIRE nozzle performs a hot fire test at Marshall’s East test area stand 115. The nozzle, made of the novel aluminum alloy 6061-RAM2, experiences huge temperature gradients. As hot gasses approach 6000 degrees Fahrenheit and undergo combustion, icicles are forming on the outside of the engine nozzle.
At the RPM Innovation facility in Rapid City, South Dakota, manufacturing for a large-scale aerospike demonstration nozzle with integral channels is underway. The laser powder directed energy deposition process creates a melt pool using a laser and blows powder into the melt pool to deposit material layer by layer. NASA engineers will use the nozzle as a proof of concept to inform future component designs.
We’ve reduced the steps involved in the manufacturing process, allowing us to make large-scale engine components as a single build in a matter of days.objectives require the capability to send more cargo to deep space destinations. The novel alloy could play an instrumental role in this by enabling the manufacturing of lightweight rocket components capable of withstanding high structural loads.
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