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Proceedings Paper

Dimensional stability of electroless nickel coatings
Author(s): Douglas L. Hibbard
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Paper Abstract

Dimensional instability in electroless nickel (EN) coatings is the result of two effects related to thermal expansion mismatch between the substrate and the EN coating: a continuous reversible contribution from the coefficient of thermal expansion (CTE) mismatch between the EN coating and the substrate and one or more one-time irreversible thermally-induced volume contractions of the EN. This paper presents a description of both mismatch components how each effects the ultimate stability of an EN-plated optic and which processing parameters can lead to improved stability.

Paper Details

Date Published: 1 November 1990
PDF: 6 pages
Proc. SPIE 1335, Dimensional Stability, (1 November 1990); doi: 10.1117/12.22875
Show Author Affiliations
Douglas L. Hibbard, OCA Applied Optics (United States)

Published in SPIE Proceedings Vol. 1335:
Dimensional Stability
Roger A. Paquin, Editor(s)

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