The Trident Seal—A Rapid and Accurate Expansion Differential Test
Author:
- 1 January 1979
- journal article
- Published by Wiley in Journal of the American Ceramic Society
- Vol. 62 (1-2) , 60-62
Abstract
A simple glass‐to‐glass seal is used to measure expansion differential by residual stress measurement using optical bench techniques. Since only uniaxial stresses are produced, Poisson strain corrections are not required, thus overcoming a shortcoming in conventional seals. Sensitivity and reproducibility are greater than with direct dilatometry. Glass‐to‐ceramic and glass‐to‐metal differentials can also be measured.Keywords
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