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Alternative to Nitric Acid PassivationThe Ground Systems Development and Operations (GSDO) Program at NASA John F. Kennedy Space Center (KSC), Florida, has the primary objective of modernizing and transforming the launch and range complex at KSC to benefit current and future NASA programs along with other emerging users. Described as the launch support and infrastructure modernization program in the NASA Authorization Act of 2010, the GSDO Program will develop and implement shared infrastructure and process improvements to provide more flexible, affordable, and responsive capabilities to a multi-user community. In support of NASA and the GSDO Program, the objective of this project is to qualify citric acid as an environmentally-preferable alternative to nitric acid for passivation of stainless steel alloys. This project is a direct follow-on to United Space Alliance (USA) work at KSC to optimize the parameters for the use of citric acid and verify effectiveness. This project will build off of the USA study to further evaluate citric acids effectiveness and suitability for corrosion protection of a number of stainless steels alloys used by NASA, the Department of Defense (DoD), and the European Space Agency (ESA).
Document ID
20160001416
Acquisition Source
Kennedy Space Center
Document Type
Presentation
Authors
Kessel, Kurt R. (International Trade Bridge, Inc. Cocoa Beach, FL, United States)
Date Acquired
February 2, 2016
Publication Date
June 8, 2015
Subject Category
Ground Support Systems And Facilities (Space)
Metals And Metallic Materials
Report/Patent Number
KSC-E-DAA-TN24194
Funding Number(s)
CONTRACT_GRANT: NNH15CM58Z
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
stainless steel
passivation
alternative
nitric acid
citric acid

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