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A new algorithm for characterising macro-lead is introduced. The algorithm is based on a two-dimensional discrete Fourier transformation of the data set measured by a standard roughness system or a form-tester with a surface texture probe. A data pre-processing ensures the elimination of an eventually radial run out of the work piece. The lead parameters which are relevant to leak-tightness are derived from the position of the most significant peak in the frequency domain and a reconstructed deterministic surface. © 2008 Elsevier B.V. All rights reserved.




Seewig, J., & Hercke, T. (2009). Lead characterisation by an objective evaluation method. Wear, 266(5–6), 530–533. https://doi.org/10.1016/j.wear.2008.04.080

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