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Proceedings Paper

CESIC light-weight SiC composite for optics and structures
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Paper Abstract

Cesic is a ceramic matrix composite material, developed by ECM, that is characterized by high stiffness, high thermal conductivity, and low thermal expansion. These characteristics make it an ideal material for large high-precision optical and structural applications. GE Energy has acquired the rights to manufacture Cesic in the USA as ECM continues to manufacture it. GE Energy has demonstrated the ability to produce equivalent material properties with densities of 2.65 gm/cm3 and four-point bending strength of 110 MPa on large samples (150 mm length). The status of technology transfer and examples of mirrors and structures manufactured by GE Energy and ECM will be presented.

Paper Details

Date Published: 18 August 2005
PDF: 6 pages
Proc. SPIE 5868, Optical Materials and Structures Technologies II, 586807 (18 August 2005); doi: 10.1117/12.617208
Show Author Affiliations
Jeffrey Boy, GE Energy Ceramic Composite Products, LLC (United States)
Matthias Kroedel, ECM Ingenieur-Unternehmen fuer Energie- und Umwelttechnik GmbH (Germany)

Published in SPIE Proceedings Vol. 5868:
Optical Materials and Structures Technologies II
William A. Goodman, Editor(s)

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