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Applying Additive Manufacturing to a New Liquid Oxygen Turbopump DesignA liquid oxygen turbopump has been designed at Marshall Space Flight Center as part of the in-house, Advanced Manufacturing Demonstrator Engine (AMDE) project. Additive manufacturing, specifically direct metal laser sintering (DMLS) of Inconel 718, is used for 77% of the parts by mass. These parts include the impeller, turbine components, and housings. The near-net shape DMLS parts have been delivered and final machining is underway. Fabrication of the traditionally manufactured hardware is also proceeding. Testing in liquid oxygen is planned for Q2 of FY2017. This topic explores the design of the turbopump along with fabrication and material testing of the DMLS hardware.
Document ID
20160011100
Acquisition Source
Marshall Space Flight Center
Document Type
Conference Paper
Authors
O'Neal, Derek (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
September 6, 2016
Publication Date
August 23, 2016
Subject Category
Mechanical Engineering
Report/Patent Number
M16-5251
Meeting Information
Meeting: JANNAF Additive Manufacturing for Propulsion Applications Technical Interchange Meeting
Location: Huntsville, AL
Country: United States
Start Date: August 23, 2016
End Date: August 25, 2016
Sponsors: Department of the Army, NASA Headquarters, Department of the Air Force, Department of the Navy
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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