Rocket engine casting boosted with new alloy

摘要

One of the first challenges John Nish and Wellman Dynamics (Creston, Iowa) faced during the design and manufacture of a high-pressure boost pump housing for a rocket engine turbo system was also a fundamental one: How to manage a new alloy. In the past, similar products were made of A357 aluminum. But for safety and environmental reasons, the choice was made to use F357, which subtracts beryllium.