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Proceedings Paper

Optical Properties And Thermal Stability Of Single-Point Diamond-Machined Aluminum Alloys
Author(s): A. A. Ogloza; D. L. Decker; P C Archibald; D. A. O'Connor; E. R. Bueltmann
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Paper Abstract

This paper presents the results of diamond-turned surfaces of a wide range of aluminum alloys. The alloys machined included a sand-cast A201 alloy manufactured by Specialty Aluminum Inc., conventionally extruded plate alloys 2024, 3003, 5052, 6061, 7075, and for comparison as a best and worst case possible a high-purity aluminum single crystal, and tooling plate. The surfaces were obtained by diamond single-point machining using an interferometrically controlled two-axis, air-bearing lathe. The effect of tool-rake angle and machining fluid on surface quality is examined. Surface characterization was performed by Nomarski microscopy and noncontact optical surface profilometry. The optical properties measured included absolute reflectance at 3.8 μm, total integrated scatter at 752.5 nm, and bidirectional reflection distribution function measurements at 632.8 nm. The dimensional stability of the aluminum alloys subject to thermal cycling is examined.

Paper Details

Date Published: 29 January 1989
PDF: 24 pages
Proc. SPIE 0966, Advances in Fabrication and Metrology for Optics and Large Optics, (29 January 1989); doi: 10.1117/12.948069
Show Author Affiliations
A. A. Ogloza, Naval Weapons Center (United States)
D. L. Decker, Naval Weapons Center (United States)
P C Archibald, Naval Weapons Center (United States)
D. A. O'Connor, Naval Weapons Center (United States)
E. R. Bueltmann, Naval Weapons Center (United States)

Published in SPIE Proceedings Vol. 0966:
Advances in Fabrication and Metrology for Optics and Large Optics
Jones B. Arnold; Robert E. Parks, Editor(s)

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