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Proceedings Paper

Dimensional stability: an overview
Author(s): Roger A. Paquin
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Paper Abstract

In order to fabricate dimensionally stable components the causes of dimensional instability must be understood and controlled to the level required by the specifications. This paper reviews four types of dimensional instability and the sources that cause dimensional change including the effects of external and internal stress on both macro- and micro-levels. Stress relief and stress relaxation as well as the use of low expansion materials are discussed. Examples are given of both unstable components and methods employed for fabricating stable components from materials such as aluminum beryllium glass and composites. 1.

Paper Details

Date Published: 1 November 1990
PDF: 18 pages
Proc. SPIE 1335, Dimensional Stability, (1 November 1990); doi: 10.1117/12.22870
Show Author Affiliations
Roger A. Paquin, Hughes Danbury Optical Systems, Inc. (United States)

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

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