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A Stainless-Steel Mandrel for Slumping Glass X-Ray MirrorsWe have fabricated a precision full -cylinder stainless-steel mandrel at Marshall Space Flight Center. The mandrel is figured for a 30-cm-diameter primary (paraboloid) mirror of an 840-cm focal-lengthWolter-1 telescope. We have developed this mandrel for experiments in slumping.thermal forming at about 600 C-of glass mirror segments at Goddard Space Flight Center, in support of NASA fs participation in the International X -ray Observatory (IXO). Precision turning of stainless ]steel mandrels may offer a lowcost alternative to conventional figuring of fused -silica or other glassy forming mandrels. We report on the fabrication, metrology, and performance of this first mandrel; then we discuss plans and goals for stainless-steel mandrel technology.
Document ID
20100002103
Acquisition Source
Marshall Space Flight Center
Document Type
Conference Paper
Authors
ODell, Stephen L. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Gubarev, Mikhail V. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Jones, William D. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Kester, Thomas J. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Griffith, Charles W. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Zhang, William W. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Saha, Timo T. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Chan, Kai-Wing (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 25, 2013
Publication Date
December 6, 2008
Subject Category
Metals And Metallic Materials
Report/Patent Number
M10-0046
Meeting Information
Meeting: International Workshop on Astronomical X-Ray Optics (AXRO 2009)
Location: Prague
Country: Czech Republic
Start Date: December 6, 2008
End Date: December 9, 2008
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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