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R. Kornmann, B. Kröplin

Grating Method for a Three-Dimensional Deformation Measurement of High-Temperature Components

The application of photogrammetry by means of the grating method is introduced for non- destructive testing of components and materials at high temperatures using a computerised system for digital image analysis by high resolution CCD cameras. The test setup and the method for generating high-temperature resistant gratings are described. The suitability of the method is shown for temperatures up to 1400°C, using fibre reinforced ceramic matrix composite (C/C-SiC) components. Results for thermomechanically induced deformations of components with errors of some micrometers are presented.

tm – Technisches Messen, Oldenbourg Wissenschaftsverlag

Print ISSN: 0171-8096
Volume: 67, 06/2000
Pages: 267

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