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Proceedings Paper

DSPI: a tool for analyzing thermal strain on ceramic and composite materials
Author(s): Roland Hoefling; Petra Aswendt; Werner F. Totzauer; Werner P. O. Jueptner
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Paper Abstract

This paper presents qualitative and quantitative results obtained from measurements on specimens of different composite materials and one ceramic-ceramic joint. Characterizing anisotropic material properties, extensive investigations have been carried out to measure effective thermal coefficients of expansion and to determine thermal shear based on correlation fringe patterns. Carbon-fiber materials reinforced with epoxy and metal matrix have been subjected to thermal cycles. A further DSPI application concerns residual stress analysis on a ceramic pipe that is laserbeam welded.

Paper Details

Date Published: 1 October 1991
PDF: 8 pages
Proc. SPIE 1508, Industrial Applications of Holographic and Speckle Measuring Techniques, (1 October 1991); doi: 10.1117/12.47099
Show Author Affiliations
Roland Hoefling, Institute of Mechanics (Germany)
Petra Aswendt, Institute of Mechanics (Germany)
Werner F. Totzauer, Institute of Mechanics (Germany)
Werner P. O. Jueptner, BIAS (Germany)

Published in SPIE Proceedings Vol. 1508:
Industrial Applications of Holographic and Speckle Measuring Techniques
Werner P. O. Jueptner, Editor(s)

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