Using topographical images obtained by confocal laser scanning microscopy, the topography of brittle fracture surfaces and wire-eroded surfaces was quantified. The global topometry values show a significant dependency on the imaging conditions and on the computing algorithm. An algorithm was developed and implemented for the automatic detection and measuring of feature-related parameters in topographies, which uses methods of computational geometry. The software was tested using brittle fracture surfaces of steel.

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Materialwissenschaft und Werkstofftechnik
Computational Geometry Lab

Wendt, U., Lange, K., Smid, M, Ray, R., & Tönnies, K.-D. (2002). Surface topography quantification by integral and feature-related parameters. Materialwissenschaft und Werkstofftechnik, 33(10), 621–627. doi:10.1002/1521-4052(200210)33:10<621::AID-MAWE621>3.0.CO;2-X