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Stress Corrosion Evaluation of Nitinol 60 for the International Space Station Water Recycling SystemA stress corrosion cracking (SCC) evaluation of Nitinol 60 was performed because this alloy is considered a candidate bearing material for the Environmental Control and Life Support System (ECLSS), specifically in the Urine Processing Assembly of the International Space Station. An SCC evaluation that preceded this one during the 2013-2014 timeframe included various alloys: Inconel 625, Hastelloy C-276, titanium (Ti) commercially pure (CP), Ti 6Al-4V, extra-low interstitial (ELI) Ti 6Al-4V, and Cronidur 30. In that evaluation, most specimens were exposed for a year. The results of that evaluation were published in NASA/TM-2015-218206, entitled "Stress Corrosion Evaluation of Various Metallic Materials for the International Space Station Water Recycling System,"1 available at the NASA Scientific and Technical Information program web page: http://www.sti.nasa.gov. Nitinol 60 was added to the test program in 2014.
Document ID
20170004981
Acquisition Source
Marshall Space Flight Center
Document Type
Technical Memorandum (TM)
Authors
Torres, P. D. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
June 2, 2017
Publication Date
November 1, 2016
Subject Category
Structural Mechanics
Metals And Metallic Materials
Report/Patent Number
NASA/TM-2016218230
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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