Quantitative Evaluation of Industrial Components

Werner Juptner

doi:10.1117/12.939756

10 September 1987 Quantitative Evaluation of Industrial Components

Werner Juptner

Proceedings Volume 0746, Industrial Laser Interferometry; (1987) https://doi.org/10.1117/12.939756
Event: OE LASE'87 and EO Imaging Symposium, 1987, Los Angeles, CA, United States

Abstract

Holographic Interferometry was thought to be a powerful tool for a lot of applications, since it was invented by Stetson and Powell /II. Although till today only few industrial applications - mainly in Holographic Non-Destructive Testing (HNDT) -are known, this is still valid. There are tasks, which can be solved by means of this technique better and more economically than by conventional methods. For example, it is nearly impossible to calculate the deformation behaviour of complex parts of pressure vessels till today: The very complex form would lead to a very long calculation time, using e.g. Finite-Element-Methods (FEM). Even when a calculation is performed, it is necessary to prove the calculation by experimen-tal stress analysis. For complex objects it needs up to 1000 strain gauges. This means several months of preparing time and approximately 100.000$ costs for one result. In this application holographic interferometry could do the job for less than half the amount of costs.

Citation Download Citation

Werner Juptner "Quantitative Evaluation of Industrial Components", Proc. SPIE 0746, Industrial Laser Interferometry, (10 September 1987); https://doi.org/10.1117/12.939756

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