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Spin Forming Aluminum Crew Module (CM) Metallic Aft Pressure Vessel Bulkhead (APVBH) - Phase IIThe principal focus of this project was to assist the Multi-Purpose Crew Vehicle (MPCV) Program in developing a spin forming fabrication process for manufacture of the Orion crew module (CM) aft pressure vessel bulkhead. The spin forming process will enable a single piece aluminum (Al) alloy 2219 aft bulkhead resulting in the elimination of the current multiple piece welded construction, simplify CM fabrication, and lead to an enhanced design. Phase I (NASA TM-2014-218163 (1)) of this assessment explored spin forming the single-piece CM forward pressure vessel bulkhead. The Orion MPCV Program and Lockheed Martin (LM) recently made two critical decisions relative to the NESC Phase I work scope: (1) LM selected the spin forming process to manufacture a single-piece aft bulkhead for the Orion CM, and (2) the aft bulkhead will be manufactured from Al 2219. Based on the Program's new emphasis related to the spin forming process, the NESC was asked to conduct a Phase II assessment to assist in the LM manufacture of the aft bulkhead and to conduct a feasibility study into spin forming the Orion CM cone. This activity was approved on June 19, 2013. Dr. Robert Piascik, NASA Technical Fellow for Materials at the Langley Research Center (LaRC), was selected to lead this assessment. The project plan was approved by the NASA Engineering and Safety Center (NESC) Review Board (NRB) on July 18, 2013. The primary stakeholders for this assessment were the NASA and LM MPCV Program offices. Additional benefactors are commercial launch providers developing CM concepts.
Document ID
20160003616
Acquisition Source
Langley Research Center
Document Type
Technical Publication (TP)
Authors
Hoffman, Eric K. (NASA Langley Research Center Hampton, VA, United States)
Domack, Marcia S. (NASA Langley Research Center Hampton, VA, United States)
Torres, Pablo D. (NASA Marshall Space Flight Center Huntsville, AL, United States)
McGill, Preston B. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Tayon, Wesley A. (NASA Langley Research Center Hampton, VA, United States)
Bennett, Jay E. (NASA Johnson Space Center Houston, TX, United States)
Murphy, Joseph T. (Lockheed Martin Space Systems Co. New Orleans, LA, United States)
Date Acquired
March 22, 2016
Publication Date
January 1, 2015
Subject Category
Space Transportation And Safety
Report/Patent Number
NF1676L-23225
L-20647
NASA/TP-2015-218674
NESC-RP-13-00884
Funding Number(s)
WBS: WBS 869021.05.07.09.43
Distribution Limits
Public
Copyright
Public Use Permitted.

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