Qualification of laser line triangulation foroptical inline coating thickness measurement onplasma-sprayed ceramic and metal coatings
Authors: Dr.-Ing. Michél Hauer, Dr.-Ing. (SFI) Richard Banaschik, Prof. Dr.-Ing. habil. Knuth-Michael Henkel
A coating composite consisting of plasma-sprayed ceramic and metal coatings
is investigated in this article. One decisive parameter for a high and constant
quality in this application is a uniform coating thickness. This should be established
reliably and, in the future, already in the coating process if at all possible
in order to reduce the throughput times on the basis of thickness fluctuations
inherent in the process, e.g. due to nozzle wear. For this purpose, the suitability
of laser line triangulation (LLT) is checked in comparison with conventional
testing methods.
Pages: 112 - 116
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