27 December 2001 Constellation-X cylinder figuring and polishing studies
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Abstract
In support of Goddard Space Flight Center's (GSFC) Constellation-X mandrel manufacturing effort, a series of fabrication experiments are being performed to determine a best approach, and to supply the project with precision mandrels. Currently, polishing immediately after diamond turning produces a RMS surface roughness of 0.3 nm, on an electroless nickel-plated aluminum mandrel. Studies currently under way will incorporate an abrasive-figuring step to be followed by this polishing operation. The current diamond turning, figuring and polishing procedures will be described and the results presented.
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Eugene Waluschka, Eugene Waluschka, Petar Arsenovic, Petar Arsenovic, David A. Content, David A. Content, Timo T. Saha, Timo T. Saha, Carl R. Strojny, Carl R. Strojny, Geraldine A. Wright, Geraldine A. Wright, Charles M. Fleetwood, Charles M. Fleetwood, } "Constellation-X cylinder figuring and polishing studies", Proc. SPIE 4451, Optical Manufacturing and Testing IV, (27 December 2001); doi: 10.1117/12.453621; https://doi.org/10.1117/12.453621
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