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Logistical and Analytical Approach to a Failure Aboard the International Space StationThe starboard Solar Alpha Rotary Joint (SARJ) from the International Space Station (ISS) began exhibiting off-nominal electrical demands and vibration. Examination by spacewalking astronauts revealed metallic debris contaminating the system and damage to the outboard race of the SARJ. Samples of the contamination were returned to Earth and analyzed. Excessive friction caused the nitride region of the 15-5 PH stainless steel race to spall, generating the debris and damaging the race surface. Excessive vibration and excess power was required to operate the system as a result.
Document ID
20130012458
Acquisition Source
Kennedy Space Center
Document Type
Conference Paper
Authors
McDanels, Seve (NASA Kennedy Space Center Cocoa Beach, FL, United States)
Wright, M. Clara (NASA Kennedy Space Center Cocoa Beach, FL, United States)
Salazar, Victoria (NASA Kennedy Space Center Cocoa Beach, FL, United States)
Lubas, David (NASA Kennedy Space Center Cocoa Beach, FL, United States)
Tucker, Bryan (NASA Kennedy Space Center Cocoa Beach, FL, United States)
Date Acquired
August 27, 2013
Publication Date
November 25, 2009
Subject Category
Space Transportation And Safety
Report/Patent Number
KSC-2009-265
Meeting Information
Meeting: 11th Japan International SAMPE Symposium and Exhibition (JISSE-11)
Location: Tokyo
Country: Japan
Start Date: November 25, 2009
End Date: November 27, 2009
Sponsors: Society for the Advancement of Materials and Process Engineering
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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